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1-(2-Naphtylazo)-2-naphthol

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1-(2-Naphtylazo)-2-naphthol Suppliers list
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Email: linda@hubeijusheng.com
Products Intro: Product Name:(1Z)-1-(naphthalen-2-ylhydrazinylidene)naphthalen-2-one
CAS:2653-66-9
Purity:0.99 Package:5KG;1KG Remarks:C20H14N2O
1-(2-Naphtylazo)-2-naphthol Basic information
Product Name:1-(2-Naphtylazo)-2-naphthol
Synonyms: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
CAS:2653-66-9
MF:C20H14N2O
MW:298.34
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Mol File:2653-66-9.mol
1-(2-Naphtylazo)-2-naphthol Structure
1-(2-Naphtylazo)-2-naphthol Chemical Properties
Safety Information
MSDS Information
1-(2-Naphtylazo)-2-naphthol Usage And Synthesis
PreparationNaphthalen-2-amine diazotization, and Naphthalen-2-ol coupling.
Properties and Applicationsred 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 materials2-Naphthylamine-->2-Naphthol
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