Amisulpride intermediate
[Chemical Name]: 4-Amino-2-hydroxy-benzoic acid
[Synonyms]: 4-Aminosalicylic acid
[Structure]:
[Formula]: C7H7NO3
[Molecular Weight]: 153.14
[CAS RN]: 65-49-6
[Density]: 1.491 g/ cm3
[Melting Point]: 135-145 ℃(lit.)
[Flash Point]: 184.1 ℃
[Solubility(in water)]: 2 g/L (20 ℃ )
[Specification]:
| Appearance |
Almost white or slightly yellow crystalline powder |
| Moisture |
0.5%max |
| pH |
3.0-3.7 |
| Heavy metals |
30ppm max |
| m-Aminophenol |
0.25%max |
| Chloride |
0.042%max |
| Residue on ignition |
0.2%max |
| Assay |
99.0%min |
|
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