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.
|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|
|Sulfide, ppm max.||500||400|
|Chloride, ppm max.||200||150|
|Residue on Ignition, %max.||0.02||0.01|
|Heavy metals, ppm max.||18||10|
- 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.
25kg per bag: PP plastic weaving bag or brown paper plastic bag
Total 16 MT per 20ft container with pallets,18 MT without pallets