Chemical name: Phenylhydranine-4-culfovie acid
English name: Phenylhydranine-4-culfovie acid
CAS NO: 98-71-5
Molecular weight: 188.21
Molecular formula: C₆H₈O₃N₂S
Structural formula:

Physical property: light yellow or brown white crystal powder, lightly soluble in cool water and ethyl alcohol

1. Quality index: content ≥99%　 water insolubles≤0.1%　 melting point285°C
   Uses: lemon yellow, drugs and dyes intermediate
   Packaging: fiber can with inner plastic film; net weight is 25kg
   Storage and transportation: store in cool and ventilated warehouse; be away from fire and heat sources