Complaint
| Product name | Maleic anhydride |
| CAS no. | 108-31-6 |
| EINECS no. | 203-571-6 |
| Molecular Weight | 98.05808 |
| Molecular Formula | C4H2O3 |
| Synonyms | 2,5-Furandione; cis-Butenedioic anhydride; Sodium n-amylxanthate; MaleicAnhydride; MA; furan-2,5-dione; Maleic acid anhydride |
Item | Specifications | Result | |
| Superior | Qualified |
|
Appearance | White briquettes or blocky crystals | White briquettes | |
Purity w/% ≥ | 99.7 | 99.5 | 99.88 |
Melt Color/Hazen(Pt-Co)≤ | 25 | 50 | 10 |
Heat stability@140ºC,120mins/Hazen(Pt-Co)≤ | According to customer's requirement | 20 | |
Soildification PointºC≥ | 52.5 | 52.5 | 52.60 |
Iron,w(mg/kg)≤ | 2 | 3 | 0.52 |
Residue on ignition,%≤ | 0.005 | 0.001 | |
Conclusion | Confirm to superior grade | ||
Standard | Q/JNHG.J 01098-2018 | ||
25KG Plastic woven bag, 20MT(with pallet)/24MT(without pallet)
Dongying City Longxing Chemical Co.,Ltd. is a chemical-based corporation, established in 2008, located in Dongying City, Shandong Province which is the site of the famous Yellow River Delta. Our company have many years of experience on exporting and specializes in various chemical products, including basic inorganic and organic chemicals, such as Propylene Glycol, Ethylene Glycol, Glycerine , Diethylene Glycol, Triethylene Glycol, Dipropylene Glycol, Dimethyl Sulfoxide, N,N-Dimethyl acetamide, Propylene Carbonate, Methylene Chloride, Dimethyl Carbonate, DMF, Aniline, Trichloroethylene, Perchloroethylene, Citric Acid series, Methyl Acetate, N-Butyl Acetate, Cyclohexanone, N-Pentane, Styrene, Maleic Anhydride, Maleic anhydride,TDI, N-Heptane, Monoethanolamine, etc. Our products are popular in both domestic and international market due to the superior quality, perfect service and competitive prices. With many years' development, our company have clients all over the world, such as USA, Russia, Pakistan, India, Japan, Australia, Middle East, South America, etc., and we enjoy a good reputation among them. We have a close relationship with many famous chemical plants in China which guarantees our customers with top quality, better delivery and competitive price . We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefits.
1. Why choose us?
We are a chemical-based corporation with good reputation, established in 2008. With many years of experience on exporting and short distance to Qingdao port, we can provide top quality products, super service, competitive price and fast delivery.
2. How to guarantee the quality?
Up-to-date facilities and technology, strict inspection in production process and final product, inspection before delivery.
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TT, LC, DP, West Union, PayPal, etc.
4. Is free sample available?
Yes, free sample can be provided, but the courier cost is on your side.
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Qingdao, Shanghai, Dalian, Tianjin, Lianyungang, etc.
By sea, railway, road, muti-model transportation.
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