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Succinic anhydride CAS 108-30-5, also called dihydro-2,5-furandione and butanedioic anhydride, is an organic compound with the molecular formula C4H4O3. This colorless solid is the acid anhydride of succinic acid. Succinc anhydride is colorless needles or white crystalline solid. Melting point 237°F. Sublimes at 239°F at 5 mm Hg pressure; and at 198°F and 1 mm Hg pressure. Moderately toxic and an irritant.
Specification
| Item | Tech grade | Pharma grade |
| Appearance | White yellowish flakes | White flakes or powder |
| Assay, % min | 98.0 | 99.50 |
| Free succinic acid, %max | 1.20 | 0.20 |
| Unsaturates, %max. | 1.50 | 0.10 |
| Sulfide, ppm max. | 500 | 400 |
| Chloride, ppm max. | 200 | 150 |
| Residue on Ignition, %max. | 0.02 | 0.01 |
| Heavy metals, ppm max. | 18 | 10 |
Application
- In medical field, be used in the production of vitamin A and sulphonamide etc.
- In pesticides field, be used in the production of fungicides, pesticides and plant growth regulators etc.
- Raw materials of coating, synthetic resin and dyes etc.
- Used as sizing agents in the paper industry.
Packing
25kg per bag: PP plastic weaving bag or brown paper plastic bag
Total 16 MT per 20ft container with pallets,18 MT without pallets
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