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A-naphthyl red hydrochloride (131-22-6)

Identification
Name:A-naphthyl red hydrochloride
Synonyms:4-Phenylazo-1-naphthylamine
CAS:131-22-6
EINECS: 205-018-4
Molecular Formula: C16H13N3.HCl
Molecular Weight: 283.76
InChI: InChI=1/C16H13N3/c17-15-10-11-16(14-9-5-4-8-13(14)15)19-18-12-6-2-1-3-7-12/h1-11H,17H2/b19-18+
Molecular Structure: (C16H13N3.HCl) 4-Phenylazo-1-naphthylamine
Properties
Flash Point: 226.8°C
Boiling Point: 451.4°Cat760mmHg
Density:1.17g/cm3
Refractive index:1.647
Specification:

 4-Phenylazo-1-naphthylamine (CAS NO.131-22-6)  is also called 1-Amino-4-phenylazonaphthalene ; 1-Naphthalenamine, 4-(phenylazo)- ; 1-Naphthylamine, 4-(phenylazo)- ; 4-[(E)-Phenyldiazenyl]-1-naphthalenamine ; 4-Benzeneazo-1-naphthylamine ; 4-Benzene-azo-alpha-naphthylamine ; BNA . 4-Phenylazo-1-naphthylamine (CAS NO.131-22-6) do not dissolve in water, but rendering the red-brown solution soluble in alcohol, ether and benzene. And It slightly soluble in diluted acid solution rendering a red rose solution.

Report:

Reported in EPA TSCA Inventory.

Flash Point: 226.8°C
Safety Data
Hazard Symbols Xi: Irritant