| Basic information | ||||||
| Chemical name | Succinic anhydride | Formula | C4H4O3 | |||
| Synonyms | Butanedioic anhydride;Succinic acid anhydride;SAA | |||||
| CAS.No. | 108-30-5 | |||||
| EINECS No. | 203-570-0 | |||||
| Molecular weight | 100.07 | |||||
| Physical properties | ||||||
| Appearance | White flakes or light yellow flakes | |||||
| Density,20ºC,g/cm3 | 1.572 | |||||
| Boiling point,ºC | 261 | |||||
| Melting point,ºC | 118~121 | |||||
| Flash point,ºC | 157 | |||||
| Solubility | <0.1 g/100 mL at 21 ºC (decomposes) | |||||
| Specification | ||||||
| Items | Pharma. grade | Industry grade | ||||
| Appearance | White flakes | Light yellow flakes | ||||
| Assay (GB),% | ≥99.5 | / | ||||
| Assay,% | 98.0~102.0 | ≥98.0 | ||||
| Melting range,ºC | 117-120 | 118-121 | ||||
| Residue on ignition, % | ≤ 0.1 | ≤ 0.1 | ||||
| Heavy metals, ppm | ≤ 15 | ≤ 20 | ||||
| Color | ≤ 10 | ≤ 15 | ||||
| Application | ||||||
| Pharm.filed | Can be used in the production of vitamin A and sulphonamide,etc. | |||||
| Pesticides field | Can be used in the production of fungicides, pesticides and plant growth regulators,etc. | |||||
| Industry field | As raw materials of coating,synthetic resin and dyes,etc. | |||||
| Package | ||||||
| 25kg/bag, 20mt per 20'ft;25kg/fibre drum,12mt per 20'ft; | ||||||