PRODUCT Properties
| Density | 1.769±0.06 g/cm3(Predicted) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| pka | -1.03±0.40(Predicted) |
| CAS DataBase Reference | 129-91-9(CAS DataBase Reference) |
| EPA Substance Registry System | 1,6-Naphthalenedisulfonic acid, 8-amino- (129-91-9) |
Description and Uses
Amino e acid is used mainly as an intermediate rather than as a color component, but the derived diphenyl e acid is used for safranine dyes such as C.I. Acid Blue 61.
Safety
| Symbol(GHS) | ![]() ![]() ![]() GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302-H410-H372 |
| Precautionary statements | P264-P270-P273-P301+P312-P330 |








