Solvent Brown 5

Solvent Brown 5 Basic information

Product Name:	Solvent Brown 5
Synonyms:	4-(1-Naphtylazo)-1-naphthol;4-(1-naphthalenylazo)-1-Naphthalenol;SUDAN BROWN;4-(1-naphthylazo)-1-naphthol;1-Naphthalenol, 4-(1-naphthalenylazo)-;Solvent brown 5 (C.I. 12020);C.I. 12020;Solvent Brown 5
CAS:	2653-72-7
MF:	C20H14N2O
MW:	298.34
EINECS:	220-178-5
Product Categories:
Mol File:	2653-72-7.mol

Solvent Brown 5 Chemical Properties

Boiling point	551.0±33.0 °C(Predicted)
density	1.20±0.1 g/cm3(Predicted)
pka	8.32±0.40(Predicted)
EPA Substance Registry System	1-Naphthalenol, 4-(1-naphthalenylazo)- (2653-72-7)

Safety Information

MSDS Information

Solvent Brown 5 Usage And Synthesis

Preparation

Naphthalen-1-amine diazotization, and Naphthalen-1-ol?coupling.

Properties and Applications

dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. Used for oil, paraffin wax, cellulose and synthetic resin paint color.

Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
		Melting point	Stable
ISO	Poor	170	100≥100 Sublimation	Insoluble	Good	Good

Solvent Brown 5 Preparation Products And Raw materials

Raw materials

1-Naphthol-->1-Naphthylamine

Solvent Brown 43,C.I.Solvent Brown 43,Solvent Brown 501 1-Naphthol 1,1'-Bi-2-naphthol Solvent Blue 36 C.I.Solvent Brown 4 Solvent brown 44 Solvent brown 3 (C.I. 11360),C.I.Solvent Brown 3 Solvent Brown,C.I.Solvent Brown 12 Solvent Brown 41,C.I.Solvent Brown 41 SOLVENT OIL Solvent oil No.200 C.I. Solvent Brown 8 Terbinafine hydrochloride SOLVENT BROWN 19 ACETYL-BETA-NAPHTHYLAMINE Solvent Brown 5 2-Naphthol SOLVENT

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Solvent Brown 5

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