Our maleic anhydride flash point, methyl 2 4 pentanediol, maleic anhydride is more competitive than other brands in terms of quality, reliability, and diversity. We adhere to the branded product line, survive with professional services, and aim at innovation and development. At the same time, we adhere to the humanized and low-cost business philosophy to provide customers with maleic acid to maleic anhydride of excellent quality and reasonable prices. Enterprise vitality is a kind of ability to show the life intensity of an enterprise. It is not only a state of internal metabolism, a process with internal life cycle, but also the ability to adapt to environmental changes. For a long time, our company has served every customer in line with the advanced management awareness of pragmatism, pioneering, enterprising, service and unique professionalism. Customer satisfaction and success is an important yardstick to measure our work performance. Based on the gradual improvement of management, the company has been developing and growing with the principle of excellent quality, fast time, considerate service and reasonable price and relying on the market. We have established a good market reputation in the production process, provided perfect process design, and established a good corporate image among many users. After years of development, we already have a wealth of industry experience and won universal recognition from customers. At present, the company is continuously expanding its product production, insisting on continuously developing new products with high efficiency and high quality, and carrying out overall planning and comprehensive management of the enterprise with scientific and advanced management concepts.
  • Maleic Anhydride
    Maleic anhydride (MA / MAH, CAS 108-31-6) is a white crystalline solid — formula C₄H₂O₃, melting point 52.5–54.5°C — with a reactive cyclic anhydride structure that enables addition, Diels-Alder,
  • 2-Methyl-2,4-pentanediol
    2-Methyl-2,4-pentanediol (MPD / Hexylene Glycol, CAS 107-41-5) is a colorless, low-odor branched diol with the condensed formula (CH₃)₂C(OH)–CH₂–CH(OH)–CH₃, fully miscible with water and most organic
  • 1-Methyl-2-pyrrolidinone
    NMP (N-Methyl-2-pyrrolidinone / 1-methyl-2-pyrrolidone, CAS 872-50-4) is a colorless, high-boiling (bp 202°C) polar aprotic solvent with the molecular formula C₅H₉NO. Its five-membered lactam
  • 1-Ethyl-2-pyrrolidinone
    1,2-Diaminocyclohexane (DACH, CAS 1121-22-8) is a colorless liquid cycloaliphatic diamine with the formula C₆H₁₄N₂, available as trans-racemic, (1R,2R)-, and (1S,2S)-enantiopure grades. The chiral
  • Pyrrolidine (CAS 123-75-1) — High-Purity ≥99% Industrial,...
    Pyrrolidine is a colorless, hygroscopic cyclic secondary amine with a characteristic ammonia-like odor and excellent chemical reactivity. As a professional trade export company, we are committed to
  • 2-Methyltetrahydrofuran (2-MeTHF) | CAS 96-47-9 | China M...
    2-Methyltetrahydrofuran (2-MeTHF, CAS 96-47-9) is a colorless, low-toxicity bio-based cyclic ether used as a green replacement for THF, dichloromethane, and toluene in pharmaceutical synthesis,
  • Dimethyl Sulfoxide (DMSO, CAS 67-68-5) — China Manufactur...
    Dimethyl Sulfoxide (DMSO, CAS 67-68-5) is a colorless, high-purity polar aprotic solvent — the universal solvent — miscible with water and able to dissolve most organic compounds, salts, and
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Standard Test Method for Maleic Acid in Maleic Anhydride by ......

with anhydrides. Only one carboxylic acid group is titrated. 4. Significance and Use 4.1 The maleic acid content is usually an indication of exposure to moisture in air. Maleic anhydride...

CDC - NIOSH Pocket Guide to Chemical Hazards - Maleic anhydride...

Up to 10 mg/m3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode £. (APF = 50) Any self-contained breathing apparatus with a full facepiece. (APF = 50) Any...

Under which conditions maleic anhydride hydrolyzes to maleic acid?...

The hydrolysis of maleic anhydride-containing copolymers is reported to happen in concentrated NaOH solutions, upon heating. Which other methods lead to the anhydride opening to carboxylic acid ......

Malic acid - Wikipedia...

Malic acid is an organic compound with the molecular formula C 4 H 6 O 5. It is a dicarboxylic acid that is made by all living organisms, ... Racemic malic acid is produced industrially by the double...

CDC - NIOSH Pocket Guide to Chemical Hazards - Maleic anhydride...

cis-Butenedioic anhydride, 2,5-Furanedione, Maleic acid anhydride, Toxilic anhydride Colorless needles, white lumps, or pellets with an irritating, choking odor....

Maleic Anhydride - an overview | ScienceDirect Topics...

Maleic acid is manufactured by hydrolysis of maleic anhydride. There are, however, few applications for maleic acid, the major industrial use being the isomerization into fumaric acid....

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