MoDTC

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MoDTC
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Anti wear agent is a critical category of additives in the lubricant industry, and Molybdenum Dialkyldithiocarbamate, commonly abbreviated as MoDTC with CAS number 97417-75-5, stands out as one of the most effective and widely used anti wear agents in the market. As a professional trade export company, Sinolook is dedicated to connecting global buyers with reliable China manufacturers and suppliers of high-quality MoDTC anti wear agent, offering competitive price and flexible purchase options.
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Lubricant Additives - Friction Modifiers Series: MoDTC (Molybdenum Dialkyldithiocarbamate, CAS 97417-75-5) is the phosphorus-free organomolybdenum friction modifier - the preferred companion to MoDTP (CAS 9006-98-0) in Sinolook's FM range. The single structural difference between MoDTC and MoDTP is the ligand type: MoDTC uses a dithiocarbamate (DTC) ligand [–S₂C–NR₂] while MoDTP uses a dithiophosphate (DTP) ligand [–S₂P(OR)₂]. This substitution eliminates phosphorus entirely from the molecule - giving MoDTC a decisive advantage in tight-phosphorus-budget formulations. MoDTC is the primary choice for ACEA C1 (P ≤ 0.05%) and ACEA C5 / ILSAC GF-6B (ultra-low P) lubricants - particularly modern fuel-economy engine oils for hybrid and electric-assist vehicles where aggressive SAPS restrictions apply. The friction reduction mechanism is identical to MoDTP: in-situ formation of MoS₂ lamellar nanofilms (μ < 0.07) under tribological activation. DTC ligand also contributes N (~2.5–3.5%) and higher S (~15–18%) vs MoDTP - both SAPS elements to budget, but the critical absence of P is what defines MoDTC's formulation niche. Sinolook FM Series: MoDTP (CAS 9006-98-0) · MoDTC CAS 97417-75-5 (this) - Zero P.

★★ ZERO PHOSPHORUS (P = 0%) · ACEA C1/C2/C5 Preferred FM · MoS₂ Tribofilm · Mo 8–10% · DTC Ligand · N 2.5–3.5% · S 15–18% · FP ≥180°C · Pour Point ≤–10°C · Phosphorus-Free · Engine Oil · PCMO Fuel Economy · GF-6B

MoDTC - Molybdenum Dialkyldithiocarbamate

MoDTC  /  Mo-DTC  /  Dialkyl Dithiocarbamate Molybdenum  /  二烷基二硫代氨基甲酸钼  /  CAS 97417-75-5  /  Zero-Phosphorus Organomolybdenum FM  /  Dark Brown Liquid  /  Mo 8–10%  /  ACEA C1 Preferred

CAS Number 97417-75-5
Full name Molybdenum, bis[N,N-dialkyl carbamodithioato-S,S']-  /  Molybdenum bis(dialkyldithiocarbamate); commercial grades use C4–C13 alkyl groups on the nitrogen
★ Ligand structure DTC ligand: R₂N–C(=S)–S⁻ (dithiocarbamate). The nitrogen atom bridges two alkyl R groups and the C=S thiocarbonyl. The S⁻ sulphur and C=S sulphur both coordinate to Mo: Mo[S₂CNR₂]₂ in the mononuclear form (typically exists as a dinuclear Mo₂ complex in concentrated form). The image shows the simplified notation: S–R–N–C=S / Mo / S=S–C–N–R. 3D model: grey = Mo; yellow = S (four sulphur coordination bonds); black = C; white = H; green = N (the DTC nitrogen - the atom uniquely absent in MoDTP's DTP ligand, and the atom that confirms this is MoDTC vs MoDTP). The green N sphere is diagnostic.
vs MoDTP ★ KEY DIFFERENCE: MoDTC has zero phosphorus (P = 0%) because the DTC ligand contains no P atom. MoDTP (CAS 9006-98-0) contains ~4–6% P from the DTP [–S₂P(OR)₂] ligand. Both form identical MoS₂ tribofilm and deliver the same FM friction reduction. Choose MoDTC whenever: ACEA C1 (P ≤0.05%), ACEA C5, ILSAC GF-6B ultra-low-P, or any formulation where ZDDP already consumes the available P budget.
★★ P Status ✅ ZERO PHOSPHORUS - P = 0%

DTC ligand (R₂N–C(=S)–S–) contains no phosphorus atom. MoDTC at any treat rate contributes zero P to the finished lubricant. This is the defining formulation advantage: MoDTC can be freely used in ACEA C1 (P ≤0.05%) lubricants without consuming any of the precious P budget reserved for ZDDP anti-wear protection. Contrast: MoDTP at 0.1 wt% adds ~0.004–0.006% P - significant relative to a 0.05% C1 P limit.

⚠ SAPS elements
✅ P = 0% - zero phosphorus contribution ⚠ S = 15–18% - contributes to oil sulphur (minor at typical treat) ⚠ Mo = 8–10% → minor sulphated ash (MoO₃) contribution ℹ N = 2.5–3.5% - N is NOT a SAPS element (same as amine AOs)

At 0.1 wt% treat: S contribution ~0.015–0.018%; Mo ash ~0.001–0.002%; P contribution = 0. All within ACEA C1/C2/C5 limits at recommended treat rates.

Appearance Dark brown to black viscous liquid (or powder in high-MW solid grades); characteristic deep brown colour from Mo-DTC d-electron absorption; fully soluble in mineral and synthetic base oils without precipitation.

MoDTC Mechanism - MoS₂ Tribofilm Formation & How Zero Phosphorus Changes the Formulation Equation

MoDTC (Molybdenum Dialkyldithiocarbamate, CAS 97417-75-5) shares the same MoS₂-forming friction modification mechanism as MoDTP - but eliminates phosphorus from the molecule entirely by replacing the dithiophosphate ligand with a dithiocarbamate ligand. This single structural change has profound formulation implications: MoDTC can be incorporated into lubricants at full functional treat rates without touching the phosphorus budget. In a typical ACEA C1 engine oil where the total P budget is 500 ppm (0.05%), a MoDTC treat rate of 0.1 wt% contributes exactly 0 ppm P - leaving the entire P budget available for ZDDP anti-wear protection. The tradeoff is the absence of the DTP anti-wear film contribution that MoDTP provides - MoDTC is a purer friction modifier, while MoDTP is a friction modifier + anti-wear agent combination.

⚙️ MoS₂ Tribofilm Mechanism - Identical to MoDTP, Zero-P Delivery
Tribological decomposition → MoS₂

Under boundary lubrication conditions (asperity contact temperature 150–300°C, shear stress up to 1 GPa), MoDTC decomposes at the Mo–S coordination bonds. Released Mo species (Mo(IV)/Mo(VI) oxides and sulphides) undergo tribochemical reduction on the ferrous contact surface to form crystalline MoS₂ nanolamellae (hexagonal P6₃/mmc crystal structure, d-spacing 0.615 nm). The DTC nitrogen leaves as an organic amine byproduct - inert in the oil. The identical MoS₂ crystal produced by MoDTC and MoDTP is physically and tribologically indistinguishable, confirming that the ligand type (DTP vs DTC) does not affect FM performance - only the SAPS/P composition of the parent compound differs.

MoS₂ lamellar nanofilm: μ < 0.07

The MoS₂ nanofilm deposited from MoDTC has the same ultra-low interlayer shear strength (van der Waals S···S interaction ~0.1 MPa) as MoS₂ from MoDTP or solid lubricant MoS₂: boundary friction coefficient μ = 0.03–0.07, vs μ = 0.10–0.15 for unlubricated steel-on-steel contact. At typical treat rate of 0.05–0.15 wt% MoDTC in PCMO engine oil, ASTM Sequence VIE fuel economy test data show +1.5–2.5% FEI - statistically equivalent to MoDTP at equal Mo-content treat rate, confirming that FM performance is determined by Mo concentration, not ligand type.

DTC vs DTP - ligand decomposition byproducts: MoDTC → MoS₂ + dialkylamine (R₂NH, inert FM byproduct) + CO₂/COS (minor); MoDTP → MoS₂ + dialkyl phosphoric acid / phosphate species (contributes to antiwear phosphate film on surface). This is the only functional difference - MoDTC produces no phosphorus-containing byproducts; MoDTP produces phosphate AW film as a co-benefit. Choose MoDTC for pure FM with zero P; choose MoDTP for FM + AW dual function with managed P contribution.
📊 Phosphorus Budget Strategy - How MoDTC Enables FM in Tight-P Formulations
Formulation Scenario P Budget FM Choice Rationale
ACEA C1 / GF-6B P ≤ 0.05% ★★ MoDTC ZDDP at 0.4 wt% already contributes ~0.04–0.05% P - near limit. MoDTC adds 0 P; MoDTP would exceed limit. MoDTC is the only organomolybdenum FM option at these P budgets.
ACEA C2 / C5 P ≤ 0.07% ★ MoDTC preferred Some P margin exists; MoDTP 0.05–0.08 wt% possible but marginal. MoDTC removes FM from P budget entirely, giving full flexibility for ZDDP optimisation.
ACEA C3 / API SP P ≤ 0.08% MoDTC or MoDTP P budget allows MoDTP 0.1–0.15 wt% + ZDDP 0.6–0.8 wt% within limit. Choose MoDTP for FM + AW dual benefit; choose MoDTC for FM with full P reserved for ZDDP.
Industrial gear / hydraulic (no P limit) Unlimited MoDTP preferred No regulatory P limit; MoDTP preferred for FM + AW dual function; MoDTC viable where P-free is required for environmental or formulation compatibility reasons.
★ Higher Mo Content vs MoDTP: 8–10% vs 5–10%
MoDTC Mo: 8–10 wt% (typical 9%)

Higher minimum Mo content than the MoDTP range (5–10%). At equal treat rate (wt%), MoDTC delivers more Mo per gram - more MoS₂ formation capacity and potentially faster tribofilm establishment at engine start-up. This partially compensates for the absence of the DTP AW contribution: more Mo means more MoS₂ forming faster, giving robust FM protection at lower treat rates in tight-P applications.

★ Higher FP vs MoDTP: ≥180°C vs ≥150°C

MoDTC flash point ≥180°C is 30°C higher than MoDTP (≥150°C) - a direct consequence of the DTC ligand's higher molecular weight and lower vapour pressure vs the DTP ligand. Higher FP means: safer storage and handling (further from flammable liquid territory); better retention in high-temperature engine sumps (>150°C peak); lower volatility loss in service. This is a meaningful advantage for long-drain PCMO formulations where additive retention at end of drain interval matters.

MoDTC molybdenum dialkyldithiocarbamate molecular structure showing S-R-N-C=S above Mo and S=S-C-N-R below with simplified dithiocarbamate DTC ligand structure, 3D ball-and-stick model with large grey molybdenum central atom large yellow sulfur atoms black carbon atoms white hydrogen atoms and distinctive green nitrogen atom representing the DTC ligand nitrogen uniquely absent in MoDTP, warm sunset background with car engine block for automotive PCMO fuel economy and industrial refinery plant
Structure confirmed (CAS 97417-75-5): Skeletal notation: S–R–N–C=S (top DTC ligand) / Mo (centre) / S=S–C–N–R (bottom DTC ligand). 3D model: large grey sphere = Mo; large yellow spheres = S (four S atoms coordinating to Mo through Mo–S bonds, same count as MoDTP); black = C; white = H; green sphere = N (the DTC nitrogen - the atom that is uniquely present in MoDTC and absent in MoDTP). The green N is the diagnostic atom confirming DTC vs DTP: DTC = N–C(=S)–S; DTP = P(=S)(OR)–S. No red O atoms present in MoDTC (contrast MoDTP which has red O atoms in the –O–P– ester links). Background: car engine (warm PCMO application focus) + refinery plant at sunset (industry context).
📋 Physical Properties - MoDTC CAS 97417-75-5
Appearance Dark brown to black liquid (or powder)
★ Mo content 8.0–10.0 wt% (typical 9%)
S content ⚠ 15.0–18.0 wt%
N content ℹ 2.5–3.5 wt% (N ≠ SAPS)
★ P content 0% - Zero phosphorus
★ Flash Point ≥180°C (ASTM D93)
Pour Point ≤ –10°C
Solubility Complete in Group I–V base oils
Shelf life 24 months (sealed, 5–35°C)

Technical Specification

★ P Content
0%
Zero phosphorus
The defining property - enables use in ACEA C1 (P ≤0.05%) without consuming P budget; no phosphorus byproducts during MoS₂ tribofilm formation
★ Mo Content
8–10%
ICP-OES
Typical 9%. Higher minimum vs MoDTP (5–10 min) → more Mo per kg → more MoS₂ capacity at equal treat rate → faster tribofilm at cold-start
⚠ S Content
15–18%
D4294
Higher S than MoDTP (8–14%). Contributes to oil S budget (ACEA C1/C2 ≤0.2% S). At 0.1 wt% treat: +~0.015–0.018% S - minor vs base oil S. Monitor total S in Group I blends.
ℹ N Content
2.5–3.5%
Combustion analysis
DTC ligand N (N is NOT a SAPS element - same as amine AOs). Leaves as dialkylamine (inert AO byproduct) during MoS₂ tribofilm formation. Minor compatibility consideration: excess amine byproduct may slightly affect copper corrosion tests (D130) - verify at treat rate.
★ Flash Point
≥180°C
ASTM D93
30°C higher than MoDTP (≥150°C) → lower vapour pressure → better long-drain retention at high sump temperatures → higher residual Mo at end of drain → sustained FM performance
Parameter MoDTC (CAS 97417-75-5) vs MoDTP (CAS 9006-98-0) Test Method / Note
Appearance Dark brown to black liquid MoDTP: dark green to dark brown Visual. MoDTC appears darker (near-black) vs MoDTP's olive-green - Mo-DTC d-electron transitions absorb across wider visible wavelength range.
★★ Phosphorus (P) 0% - ZERO MoDTP: ~4–6% P ICP-OES (ASTM D5185). MoDTC: no P atom in DTC ligand structure → zero P contribution to finished oil at any treat rate → ACEA C1 / GF-6B / C5 compatible without P budget impact.
★ Mo Content 8.0–10.0 wt% MoDTP: 5–10 wt% ICP-OES. MoDTC minimum Mo is higher (8%) vs MoDTP (5%). More Mo per gram → more MoS₂ per gram at equal treat rate → more efficient FM use per unit additive cost. Specify target Mo% on order.
⚠ S Content 15.0–18.0 wt% MoDTP: 8–14 wt% ASTM D4294 / ICP. MoDTC S is higher (four S in DTC×2 ligands + Mo–S–S bridges in dinuclear complex). At 0.1 wt% treat: +~0.015–0.018% S. Include in ACEA C1/C2 S budget (≤0.2% total). S contributes to sulphated ash in minor amounts.
ℹ N Content 2.5–3.5 wt% MoDTP: 0% Combustion analysis. N is NOT a SAPS element (same as amine AOs - N ≠ P, S, or ash). N leaves as dialkylamine during tribofilm formation. Verify copper corrosion (ASTM D130) at treat rate - DTC-derived amines are generally copper-inhibiting at low concentrations.
★ Flash Point ≥ 180°C MoDTP: ≥150°C ASTM D93. 30°C advantage vs MoDTP. Non-flammable (GHS FP threshold 60°C). Higher FP → lower vapour pressure → better additive retention at high sump temperatures → better long-drain FM persistence.
Pour Point ≤ –10°C MoDTP: comparable ASTM D97. Good low-temperature fluidity - dissolves readily in base oil at room temperature; no cold-soak issues in standard blending operations.
Packaging 200 kg iron drum · 1000 L IBC · ISO tank bulk Same 24-month shelf life sealed at 5–35°C. Sealed storage essential - avoid moisture, strong oxidants, acids. N₂ blanket for open IBCs. Keep away from heat sources and direct sunlight.
COA per lot: Mo content (ICP, 8.0–10.0%) · S content (15.0–18.0%) · N content (2.5–3.5%) · P content (confirmed 0%) · Appearance · Flash point (≥180°C) · Pour point (≤–10°C) · Water content (KFT). SAPS impact calculation sheet (S and ash contribution at specified treat rate; P = 0 confirmed). TDS and SDS (GHS) per shipment.

Applications & Dosage Guidance

1. ACEA C1/C5 & ILSAC GF-6B - The Primary Use Case

0.05–0.15 wt% P = 0% contribution

MoDTC is the only organomolybdenum friction modifier option for ACEA C1 (P ≤0.05%), ACEA C5, and ILSAC GF-6B ultra-low-P lubricants. In a standard ACEA C1 engine oil formulation: ZDDP at 0.35–0.45 wt% contributes ~0.035–0.045% P - already at or near the 0.05% limit. Adding MoDTC at 0.05–0.15 wt% contributes exactly 0 additional P, delivering full MoS₂ FM performance (+1.5–2.5% FEI in Sequence VIE) within the P constraint. The N content (2.5–3.5%) from MoDTC decomposition byproducts (dialkylamines) is compatible with ACEA C1 specifications - N is not a SAPS element and does not affect the specification limits. For hybrid and plug-in hybrid electric vehicle (HEV/PHEV) engine oils - a rapidly growing application where ACEA C1/C5 specifications predominate - MoDTC is the industry-standard organomolybdenum FM. Toyota, Honda, and European OEMs specifying fuel-economy oil grades universally recognise MoDTC as the appropriate FM for low-SAPS specifications.

2. PCMO & HDEO Engine Oils - Broader Fuel Economy Applications

0.05–0.2 wt% ACEA C1–C5 · API SP

Beyond ACEA C1, MoDTC is also used across ACEA C2/C3/C5 and API SP/SN+ PCMO formulations where the formulator wants to keep the P budget entirely reserved for ZDDP without splitting it with MoDTP. At 0.05–0.15 wt% MoDTC in 0W-20/0W-30 PCMO, combined with the three-component AO stack (NDPA 0.2–0.3 wt% + L01-type 0.3–0.4 wt% + ZDDP 0.6–0.8 wt%), the complete API SP formulation achieves: ASTM Sequence VIE FEI ≥1.5%; Sequence IIIGH oxidation control; Sequence IVB cam wear (low-P valve-train protection). For HDEO ACEA E6/E9 (low-SAPS diesel), MoDTC at 0.1–0.2 wt% adds FM benefit to long-drain diesel engine oils without any impact on the closely managed P budget - extended-drain HDEO formulations benefit particularly from MoDTC's higher FP (≥180°C vs MoDTP's ≥150°C) ensuring better additive persistence at HDEO operating temperatures (>150°C sump peaks).

3. Industrial Gear, Hydraulic & Compressor Oils

0.2–1.0 wt% Gear efficiency

In industrial gear oils (DIN 51517-3 CLP, AGMA EP grades), hydraulic oils (DIN 51524-2/3 HLP), and compressor oils (DIN 51506 VDL) where no P specification limit applies, MoDTC is selected over MoDTP when the formulator requires a phosphorus-free formulation for environmental or equipment compatibility reasons - for example, in food-grade adjacent environments, in equipment with phosphate-sensitive coatings, or in white-label industrial lubricants marketed as "phosphorus-free." At 0.2–0.5 wt% in gear oil, MoDTC reduces gear-mesh boundary friction and improves FZG-measured gear transmission efficiency by 0.5–1.5%. Note: without the DTP anti-wear film of MoDTP, MoDTC at industrial treat rates should be combined with dedicated AW additives (ZDDP or S-P EP additive) to ensure adequate anti-wear protection - MoDTC provides MoS₂ FM but not the full AW protection of MoDTP's DTP film.

4. Metalworking Fluids & Specialty Lubricants

0.1–0.5 wt% P-free MWF

In metalworking fluids (MWF) - both neat oil-based (ISO 6743-7 MH category) and as the oil phase of semi-synthetic MWFs - MoDTC at 0.1–0.5 wt% provides FM and EP performance for precision machining operations (turning, milling, drilling, grinding, stamping). The P-free nature of MoDTC is particularly valued in MWF applications where phosphorus can interfere with certain surface treatments (phosphate pre-treatment processes for automotive stampings) or is restricted by workpiece material specifications (titanium and nickel alloys machined for aerospace are often P-restricted to prevent intergranular corrosion). MoDTC's DTC-derived amine byproducts (dialkylamines) also provide mild corrosion inhibition on freshly machined steel surfaces - a secondary benefit that MoDTP's phosphate byproducts do not offer as cleanly. For biostable MWF formulations (long-life semi-synthetic), MoDTC's compatibility with emulsifiers, rust inhibitors, and biocide systems is verified at recommended treat rates with no emulsion break or performance degradation.

Application Treat Rate (wt%) P contribution Specification / Key Benefit
ACEA C1 / ILSAC GF-6B PCMO 0.05–0.15 0% ✅ ACEA C1 (P ≤0.05%): ONLY organomolybdenum FM option; +1.5–2.5% Seq. VIE FEI; Toyota/Honda HEV oil spec
ACEA C2/C3/C5 / API SP PCMO 0.05–0.15 0% ✅ Reserves full P budget for ZDDP; +1.5–2.5% FEI; ACEA C3 / API SP compliant stack with NDPA + L01 + ZDDP
HDEO ACEA E6/E9 long-drain 0.1–0.2 0% ✅ Higher FP (≥180°C) = better retention at >150°C HDEO sump; zero P HDEO E6/E9 compliance
Industrial gear oil (P-free specification) 0.2–0.5 0% ✅ DIN 51517-3 CLP (P-free variant); FZG gear efficiency +0.5–1.5%; combine with AW additive (MoDTC has no DTP AW film)
Hydraulic oil (HLP, P-free) 0.05–0.15 0% ✅ Pump efficiency improvement; P-free hydraulic fluid formulation; Denison HF-0/2 compatible
Metalworking fluid (neat / semi-synthetic) 0.1–0.5 0% ✅ P-free MWF; DTC-amine mild corrosion inhibition; Ti/Ni aerospace alloy machining (P-restricted)

Frequently Asked Questions

Q: Does MoDTC truly provide the same friction reduction as MoDTP, despite the ligand difference?

Yes - the friction reduction performance of MoDTC and MoDTP is functionally equivalent at equal Mo content treat rates. The active FM species in both cases is MoS₂ - the ligand (DTC or DTP) is only a delivery vehicle that controls the physical properties and SAPS composition of the parent compound. Multiple peer-reviewed tribology studies and OEM formulation validation programs have confirmed that MoDTC and MoDTP at equal Mo-content treat rates deliver statistically equivalent: MoS₂ tribofilm thickness (measured by SIMS depth profiling); boundary friction coefficient (μ 0.03–0.07 measured on SRV or MTM tribometers); fuel economy improvement in ASTM Sequence VIE (FEI 1.5–2.5%); and wear scar diameter in ASTM D4172 four-ball tests when combined with ZDDP. The only performance difference is that MoDTP additionally provides an AW contribution from the DTP phosphate film, which MoDTC does not - in applications where ZDDP provides sufficient AW protection, this difference is immaterial.

Q: MoDTC contains N (2.5–3.5%). Does this affect SAPS compliance or cause any compatibility issues?

Nitrogen from MoDTC does not affect SAPS compliance - the SAPS acronym (Sulphated Ash, Phosphorus, Sulphur) does not include nitrogen. N burns to N₂/NOx in combustion without leaving a metallic residue (zero ash contribution from N), does not poison catalytic converter or DPF, and does not register in ASTM D482 (ash), D4951 (P), or D4294 (S) measurements. The N content is therefore entirely compatible with all ACEA and API SAPS limits. Regarding compatibility: the DTC-derived dialkylamine byproducts released during MoS₂ tribofilm formation are mild nitrogen bases. At typical treat rates (0.05–0.15 wt% MoDTC in finished oil), the amine concentration is very low (<0.005 wt% in oil) - generally beneficial as a mild copper/lead corrosion inhibitor. However, formulation compatibility should be confirmed for specific DI packages at the proposed treat rate - ASTM D130 copper strip corrosion is the standard screening test; MoDTC at recommended treat rates typically gives D130 1a or 1b rating (acceptable).

Q: When should I choose MoDTC over MoDTP, and vice versa?

Choose MoDTC when: (1) ACEA C1 or ILSAC GF-6B specification (P ≤0.05%) - MoDTC is the only organomolybdenum FM option; (2) ACEA C2/C5 (P ≤0.07%) and the full P budget is already needed for ZDDP; (3) a phosphorus-free lubricant is required for environmental, equipment compatibility, or marketing reasons; (4) higher FP (≥180°C vs ≥150°C) is needed for better additive retention in high-temperature applications. Choose MoDTP when: (1) ACEA C3 or API SP formulations with available P budget (≤0.08% P) - MoDTP delivers FM + AW dual function, effectively allowing the ZDDP treat rate to be reduced while maintaining AW performance; (2) industrial gear/hydraulic applications with no P limit where the AW contribution from DTP is specifically desired to supplement ZDDP. For general guidance: ACEA C1/C5/GF-6B → MoDTC; ACEA C3/C2 with available P budget → either; no P limit / industrial → MoDTP preferred for dual FM+AW function. Contact Sinolook with your target specification for a specific recommendation and SAPS calculation sheet.

Technical & Regulatory References

📐
Key Test Methods
ICP-OES D5185 / D6443 (Mo, S, N, P content) · ASTM D93 (FP ≥180°C) · ASTM D97 (PP ≤–10°C) · ASTM D445 (KV @40°C) · Karl Fischer (water) · ASTM D4172 Four-Ball Wear (WSD with ZDDP co-additive) · MTM/SRV tribometer (friction coefficient, tribofilm mapping) · ASTM Sequence VIE (fuel economy FEI - primary FM performance test) · ASTM D130 (copper corrosion - DTC-amine compatibility screen) · ASTM D2272 RPVOT · D6971 RULER (AO reserve in used oil) · D5185 used oil Mo depletion (tribofilm activity confirmation)
🏷
Applicable Standards
Engine oils (primary use): ACEA C1 ★★ (P ≤0.05%) · ACEA C2/C5 ★ (P ≤0.07%) · ACEA C3 · ILSAC GF-6B (ultra-low-P) · ILSAC GF-6A · API SP/SN+ · ACEA E6/E9 (HDEO) · Toyota 0W-20/5W-30 GN oil · Honda SP fuel-economy spec · BMW LL-04 · Mercedes-Benz 229.51/71 · VW 508.00/509.00 · Industrial: DIN 51517-3 CLP (P-free variant) · DIN 51524-2/3 HLP · DIN 51506 VDL · MWF: ISO 6743-7 MH (P-free) · Aerospace Ti/Ni alloy machining specs
Regulatory & Compliance
CAS 97417-75-5 · EINECS registered · REACH compliant · TSCA listed · ✅ P = 0% - zero phosphorus at any treat rate · ⚠ S 15–18% and Mo → minor sulphated ash (calculate at treat rate: at 0.1 wt% treat, S contribution ~0.015–0.018%, Mo ash ~0.001–0.002%) · N is NOT a SAPS element · FP ≥180°C - non-flammable (GHS FP >60°C); no ADR Class 3 restrictions · GHS SDS: GHS08 (Mo compounds - potential health hazard if ingested; skin/eye irritant; standard PPE: gloves, goggles, ventilation) · Not food-grade · 24-month shelf life sealed at 5–35°C · REACH SVHC: no currently listed SVHC
🔗
Related Products - Complete Additive Stack
Friction Modifiers: MoDTP CAS 9006-98-0 ✅ (FM + AW, contains P) · MoDTC CAS 97417-75-5 ✅ (this) - Zero P, ACEA C1 preferred  →  ZDDP AW/AO ✅: Primary · C8 Primary · Hybrid · Secondary-Primary Blend  →  Phenolic AO ✅: BHT · DTBP · HP-136/L01/L57  →  Amine AO ✅: Alkylated DPA · Nonylated DPA (NDPA)

MoDTC · CAS 97417-75-5 · Mo 8–10% · P = 0% · S 15–18% · N 2.5–3.5% · FP ≥180°C · PP ≤–10°C · ACEA C1 Preferred · 200 kg Drum / IBC / ISO Tank · 24-Month Shelf Life

Request Pricing, Zero-P Formulation Guidance & Technical Support

Specify target specification (ACEA C1/C2/C5, GF-6B, or industrial P-free), base oil type, ZDDP treat rate, and target P budget. Sinolook provides: COA with Mo/S/N ICP data and P = 0 confirmation; SAPS impact calculation sheet; comparative FM performance data (MoDTC vs MoDTP at equal Mo treat rate); Sequence VIE FEI prediction for your target formulation. Samples (100–500 mL) for Sequence VIE screening and ACEA engine sequence testing.

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Friction Modifiers Series:

MoDTP CAS 9006-98-0 ✅ (FM + AW, contains P) · MoDTC CAS 97417-75-5 ✅ (this) - Zero P, ACEA C1  →  ZDDP ✅ · Phenolic AO ✅ · Amine AO ✅

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