Under immense pressure, the NDRC succumbed to the shameless lobbying of the China Nitrogen Fertilizer Industry Association (CNFIA), opening urea exports from May 15 to October 15, 2025, with a total quota of 2 million tons. Utterly disregarding the plight of domestic farmers forced to buy fertilizer
The automotive industry is constantly seeking ways to improve vehicle performance while reducing environmental impact. One of the most significant advancements in recent years has been the use of lightweight materials, which can reduce fuel consumption and carbon emissions. Among these materials, ad
Adipic acid is an important industrial chemical that plays a crucial role in various manufacturing processes. Its versatility in the production of a wide range of products has made it indispensable in many sectors.
Adipic acid is a key organic compound that plays an essential role in the production of various industrial products, particularly in the manufacturing of nylon, plasticizers, and resins. This versatile compound is vital in multiple industries, including textiles, automotive, and food.
Adipic acid, a commonly used compound in various industries, plays a key role in the production of nylon, food additives, and even in the pharmaceutical field. While it is generally considered safe for use in regulated quantities, there are instances where accidental ingestion can occur.
TN-M46
TAINUO
CAS NUMBER: 108-31-6
Maleic Anhydride 99.5% for UPR with High Quality
1. PRODUCT INDEX:
Molecular Formula: C4H2O3
Molecular Weight: 98.058
CAS No.: 108-31-6
Property: It is a kind of white briquettes with heavy irritant oder. Sp. gr. (solid) 1.48, m. p, 52.8°C, b.p200°C (760mmHg), also readily sublimates. soluble in water, forming maleic acid
Used mainly for synthesizing unsaturated polyester resins, coatings, pharmaceutics, pesticides, lubricating oil additives,foodstuff additives etc.
At room temperature, it is a white flaky crystal with irritant odour and sour, inflammable and sublimating. It can be freelydissolved in water to form maleic acid. It has a specific density of 1.480, a melting point of 52.85 °C, and a boiling point of 202°C.
Maleic anhydride is colorless crystal with strong pungent smell. Its freezing point is 52.8 ºC, boiling point is 202 ºC, and it is easy to sublimate. It is mainly prepared by oxidation of n-butane or butene in benzene or C4 fraction. It is the raw material for unsaturated polyester production and organic synthesis.
PRODUCT NAME | MALEIC ANHYDRIDE |
MELECULAR FORMULA | C4H2O3 |
CAS NO | 108-31-6 |
CONTENT | 99.5% |
PACKING: | 25KG ONE BAG, 25MT/20'GP |
HS CODE | 291714000 |
2. Maleic anhydride uses
1.It is mainly used to produce unsaturated polyester resin, alkyd resin, pesticide malathion, high efficiency and low toxicity pesticide 4049 and long-acting iodamine. It is also a coating, maleic rosin, polymaleic anhydride, maleic anhydride styrene copolymer. It is also an organic chemical raw material for the production of ink additives, papermaking additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran, etc. It can be used as curing agent of epoxy resin, and can be used
to manufacture succinic acid, succinic anhydride, etc. in organic synthesis. It is used in the pharmaceutical industry to manufacture long-acting sulfonamides and other drugs. In the food industry, it is used to manufacture sour agents, such as malic acid and tartaric acid.
2.Used in organic synthesis, synthetic fiber intermediate. Used as an analytical reagent, such as a reagent for the determination of organic compounds with conjugated double bonds.
Maleic Anhydride 99.5% for UPR with High Quality
1. PRODUCT INDEX:
Molecular Formula: C4H2O3
Molecular Weight: 98.058
CAS No.: 108-31-6
Property: It is a kind of white briquettes with heavy irritant oder. Sp. gr. (solid) 1.48, m. p, 52.8°C, b.p200°C (760mmHg), also readily sublimates. soluble in water, forming maleic acid
Used mainly for synthesizing unsaturated polyester resins, coatings, pharmaceutics, pesticides, lubricating oil additives,foodstuff additives etc.
At room temperature, it is a white flaky crystal with irritant odour and sour, inflammable and sublimating. It can be freelydissolved in water to form maleic acid. It has a specific density of 1.480, a melting point of 52.85 °C, and a boiling point of 202°C.
Maleic anhydride is colorless crystal with strong pungent smell. Its freezing point is 52.8 ºC, boiling point is 202 ºC, and it is easy to sublimate. It is mainly prepared by oxidation of n-butane or butene in benzene or C4 fraction. It is the raw material for unsaturated polyester production and organic synthesis.
PRODUCT NAME | MALEIC ANHYDRIDE |
MELECULAR FORMULA | C4H2O3 |
CAS NO | 108-31-6 |
CONTENT | 99.5% |
PACKING: | 25KG ONE BAG, 25MT/20'GP |
HS CODE | 291714000 |
2. Maleic anhydride uses
1.It is mainly used to produce unsaturated polyester resin, alkyd resin, pesticide malathion, high efficiency and low toxicity pesticide 4049 and long-acting iodamine. It is also a coating, maleic rosin, polymaleic anhydride, maleic anhydride styrene copolymer. It is also an organic chemical raw material for the production of ink additives, papermaking additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran, etc. It can be used as curing agent of epoxy resin, and can be used
to manufacture succinic acid, succinic anhydride, etc. in organic synthesis. It is used in the pharmaceutical industry to manufacture long-acting sulfonamides and other drugs. In the food industry, it is used to manufacture sour agents, such as malic acid and tartaric acid.
2.Used in organic synthesis, synthetic fiber intermediate. Used as an analytical reagent, such as a reagent for the determination of organic compounds with conjugated double bonds.