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4-(phenylazo)-o-cresol

Product Name
4-(phenylazo)-o-cresol
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
Formula Weight
212.25
MOL File
621-66-9.mol
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4-(phenylazo)-o-cresol Property

EPA Substance Registry System
Phenol, 2-methyl-4-(phenylazo)- (621-66-9)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

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

Preparation

aniline diazotization, and o-Cresol coupling.

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

Purification Methods

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

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

Raw materials

Preparation Products

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4-(phenylazo)-o-cresol Suppliers

China 1 Global 1
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Tel
15229059051
Email
1027@dideu.com
Country
China
ProdList
9944
Advantage
58

621-66-9, 4-(phenylazo)-o-cresolRelated 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

  • 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