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4-(phenylazo)-o-cresol

4-(phenylazo)-o-cresol Structure
4-(phenylazo)-o-cresol structure
CAS No.
621-66-9
Chemical Name:
4-(phenylazo)-o-cresol
Synonyms
C.I.11840;Oil Yellow WP;Solvent Yellow 10;C.I.Solvent Yellow 10;4-(phenylazo)-o-cresol;2-Methyl-4-(phenylazo)phenol;C.I.Solvent Yellow 10:C.I.11840;Phenol, 2-methyl-4-(2-phenyldiazenyl)-
CBNumber:
CB9876644
Molecular Formula:
C13H12N2O
Molecular Weight:
212.25
MDL Number:
MOL File:
621-66-9.mol
Last updated:2023-05-09 09:30:58
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4-(phenylazo)-o-cresol Properties

FDA UNII V2HR3Y9D6Y
EPA Substance Registry System Phenol, 2-methyl-4-(phenylazo)- (621-66-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS07,GHS05,GHS09
Signal word  Danger
Hazard statements  H318-H411-H315-H302-H335
Precautionary statements  P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501-P280-P305+P351+P338-P310

4-(phenylazo)-o-cresol Chemical Properties,Uses,Production

Preparation

aniline diazotization, and o-Cresol coupling.

Purification Methods

Crystallise the phenol from hexane or pet ether (m 130o). [Beilstein 16 II 59, 16 III 104, 16 IV 193.]

Properties and Applications

green light yellow to red yellow. Soluble in hot water for red light yellow, soluble in ethanol for green yellow. In ethanol from out of the crystallization product melting point is 126 ~ 128 ℃. In concentrated sulfuric acid for yellow brown, dilution after brick red solution; In hot concentrated hydrochloric acid in orange brown precipitation; In the heat of 2% sodium hydroxide solution for yellow orange. Used for oil, paraffin wax, cellulose paint color.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO General 126～128 70≥170

Sublimation

Well Well Well

4-(phenylazo)-o-cresol Preparation Products And Raw materials

Raw materials

o-Cresol Aniline

Preparation Products

4-(phenylazo)-o-cresol Suppliers

Global( 1)Suppliers
Supplier Tel Email Country ProdList Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd 15229059051 1027@dideu.com China 9947 58
Supplier Advantage
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd 58

621-66-9(4-(phenylazo)-o-cresol)Related Search:

Disperse Yellow 3 2-PHENYLAZO-4-METHYLPHENOL Solvent Violet 9 C.I. Acid violet 66 Solvent Yellow 104
2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-nonylphenol] Solvent Violet 8 Solvent Yellow114 4-AMINOAZOBENZENE

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4-(phenylazo)-o-cresol 2-Methyl-4-(phenylazo)phenol C.I.11840 C.I.Solvent Yellow 10 Oil Yellow WP Phenol, 2-methyl-4-(2-phenyldiazenyl)- C.I.Solvent Yellow 10:C.I.11840 Solvent Yellow 10 621-66-9