|
|
|
| |
| ● |
Synonyms |
： |
p-Aminobenzoic acid |
| ● |
CAS No. |
： |
150-13-0 |
| ● |
Structure |
： |
|
| ● |
Specification |
： |
Characters White or off-white crystalline powder
Identification IR should comply with the reference spectrum.
UV should comply with the reference spectrum
Melting point, ℃ 186 - 189
Volatile diazoizable substance,% 0.002 Max.
Loss on drying.% 0.2 Max.
Residue on ignition,% 0.1 Max.
Heavy metal,% 0.002 Max.
Assay,% 98.5 – 101.5
Ordinary impurities, % 1.0 Max. |
| ● |
Application |
： |
Applied as dyes and pharmaceutical intermediates.
Produce cyanobenzoate carboxy benzylamine. |
| ● |
Remaks |
： |
|
| |
|
