China
food grade , industrial grade
1000 ~ 2000 / Metric Ton ( Negotiable ) Get Latest Price
China
1000 per Metric Ton
20 Metric Ton
25kg/bag
within 15 days
500 Metric Ton per Month
L/C, T/T
-
Maleic anhydride
Specifications
1.Maleic Anhydride
2.Cas no:108-31-6
3.white briquettes/flakes
4.Purity:99.5% min
5.25kgs per bag
Maleic anhydride for industrial use (CAS No.108-31-6)
1. Properties and uses
Maleic anhydride is an important organic chemical raw material 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 freely dissolved 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.
2. Standard (GB/T3676-2008)
| Item | Top grade | Grade 1 |
| Content (As C4H2O2)/ % | ≥99.5 | ≥99.0 |
| Colourity(platimum - cobalt) | ≤25 | ≤50 |
| Crystallization point /°C | ≥52.5 | ≥52.0 |
| Residue on ignition / % | ≤0.005 | ≤0.005 |
| Iron content (as Fe) / (pg/g) | ≤3 | - |
| Melting colourity(platimum - cobalt) | As agreed | As agreed |
3. Packing and storage
25Kg net in plastic woven bag lined with PE bag. 22mt/20′FCL (with pallets) or 24mt/20′FCL (without pallets) and for 500kg, 20mt/20′FCL (2 bags per pallet).
Seal airtight and keep in a dry and cool condition and away from light.
SKYPE ID:amanda9998280
連絡先担当者:Ms. SunShine
会社:Tianjin Guanqi Import and export Co., Ltd
住所:No.106-6 Yuhua Street, Baodi District,Tianjin, China,300000
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