Agent Name |
Azo violet |
CAS Number |
74-39-5 |
Formula |
C12-H9-N3-O4 |
Major Category |
Other Chemicals |
Synonyms |
1,3-Benzenediol, 4-((4-nitrophenyl)azo)-; 2,4-Dihydroxy-4'-nitroazobenzene; 4-((4-Nitrophenyl)azo)-1,3-benzenediol; 4-(4-Nitrophenyl)azoresorcinol; 4-(p-Nitrophenylazo)resorcinol; Magneson; Magneson I; Magnezon I; p-Diazoviolet; p-Diazviolet; p-Nitrobenzeneazoresorcinol; p-Nitrophenylazoresorcinol; [ChemIDplus] |
Category |
Dyes, Azo |
Description |
A solid insoluble in water; [Sax] |
Sources/Uses |
Used as a pH indicator for titration of nonaqueous solvents; [Ullmann] |
Comments |
May cause allergic contact dermatitis; May be toxic by ingestion; [MSDSonline] |
Exposure Assessment |
Explanatory Notes |
mp = 185 deg C; [Sax] |
Flammability (NFPA) |
1: must be preheated |
Adverse Effects |
Skin Sensitizer |
Yes |
Links to Other NLM Databases |
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