Chinese english Japanese Germany Korea

1-(2-Naphtylazo)-2-naphthol

1-(2-Naphtylazo)-2-naphthol Structure
CAS No.
2653-66-9
Chemical Name:
1-(2-Naphtylazo)-2-naphthol
Synonyms
C.I.12175;C.I.Solvent Orange 8;1-(2-Naphtylazo)-2-naphthol;C.I.Solvent Orange 8:C.I.12175;2-Naphthalenol, 1-[2-(2-naphthalenyl)diazenyl]-;(1Z)-1-(naphthalen-2-ylhydrazinylidene)naphthalen-2-one
CBNumber:
CB52429020
Molecular Formula:
C20H14N2O
Molecular Weight:
298.34
MOL File:
2653-66-9.mol
Request For Quotation

1-(2-Naphtylazo)-2-naphthol Chemical Properties,Uses,Production

Preparation

Naphthalen-2-amine diazotization, and Naphthalen-2-ol coupling.

Properties and Applications

red orange (mineral oil). Melting point 176 ℃ (red brown acicular crystal). In concentrated sulfuric acid for magenta, after dilution red brown precipitation.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good 176 ≥ 205Sublimation Insoluble No change No change

1-(2-Naphtylazo)-2-naphthol Preparation Products And Raw materials

Raw materials

2-Naphthylamine 2-Naphthol

Preparation Products

2653-66-9(1-(2-Naphtylazo)-2-naphthol)Related Search:

C.I. 564100 Solvent Orange 63 Solvent Orange 75 1,4-Dihydroxyanthraquinone C.I. Solvent Orange 81
Solvent orang Solvent Orange 77 2,4-Dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one chromium complex SUDAN II
chevron_left

1of2

chevron_right
1-(2-Naphtylazo)-2-naphthol C.I.12175 C.I.Solvent Orange 8 (1Z)-1-(naphthalen-2-ylhydrazinylidene)naphthalen-2-one 2-Naphthalenol, 1-[2-(2-naphthalenyl)diazenyl]- C.I.Solvent Orange 8:C.I.12175 2653-66-9