analytical standard
Synonym(s): Para Red; 1-(4-Nitrophenylazo)-2-naphthol; 1-(p-Nitrophenylazo)-2-naphthol
Empirical Formula: C16H11N3O3
Formula Weight: 293.28
Linear Formula: O2NC6H4N=NC10H6OH
MDL Number: MFCD00003908
Purity: ≥97.0% (HPLC)
Melting Point: 248-252 °C(lit.)
RTECS No.: QL4510000
Signal Word: Warning
Hazard statements: H315-H319-H335
Precautionary statements: P261-P305 + P351 + P338
Hazard Codes (Europe) : Xi
Risk Statements (Europe): 36/37/38
Safety Statements (Europe): 26
WGK Germany: 3