Dye content 70 %
Synonym(s): Alizarin Yellow R; MO1; 5-(4-Nitrophenylazo)salicylic acid
Empirical Formula: C13H9N3O5
Formula Weight: 287.23
Linear Formula: O2NC6H4N=NC6H3-2-(OH)CO2H
MDL Number: MFCD00007313
Melting Point: >300 °C(lit.)
Beilstein Registry Number: 962365
RTECS No.: VO5310000
Signal Word: Warning
Hazard statements: H302-H319
Precautionary statements: P305 + P351 + P338
Hazard Codes (Europe) : Xn
Risk Statements (Europe): 22-36
Safety Statements (Europe): 26
WGK Germany: 3