high quality maleic anhydride
Qingdao Samestar Co., Ltd. [China] 
Minimum Order: 0
Quality/Safety Certification: 0.00
1)high purity: 99.5%min ,no dust
2) white flake or briquettes of crystal
3)Cas No.108-31-6 and UN No.:2215
maleic acid anhydride
1.Apperance: white flake or briquettes of crystal
UN NO:2215
CAS NO:108-31-6
Chemical formula:C4H2O3
2.Useage:Mainly used for production of unsaturated polyester,It also widely used in coating, lubricant additives, pesticides, tartaric acid and succinic acid and anhydride etc.
3.Technical standard:
Item | Standard |
Purity ,% | ≥99.5 |
Colourity(platimum - cobalt) | ≤25 |
Crystallization point ,°C | ≥52.5 |
Ash ,% | ≤0.005 |
Iron content,PPM(pg/g) | ≤3 |
4.Standard export packing: 25kg woven bag or compoung bag
Delivery time: within 7-14 days
