952-47-6

Basic information

• Product Name: 2-PHENYLAZO-4-METHYLPHENOL
• Synonyms: 4-Methyl-2-[(E)-phenyldiazenyl]phenol;C.I. 11850;Oil Yellow APC;p-Cresol, 2-(phenylazo)-;Phenol, 4-methyl-2-(phenylazo)-;4-METHYL-2-PHENYLAZOPHENOL;2-HYDROXY-5-METHYLAZOBENZENE;2-PHENYLAZO-P-CRESOL
• CAS NO: 952-47-6
• Molecular Formula: C₁₃H₁₂N₂O
• Molecular Weight: 212.25
• Mol File: 952-47-6.mol
• Article Data: 4

Chemical Properties

• Melting Point: 105 °C
• Boiling Point: 352.09°C (rough estimate)
• Flash Point: 167 °C
• Appearance: /
• Density: 1.1128 (rough estimate)
• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.6920 (estimate)
• CAS DataBase Reference: 2-PHENYLAZO-4-METHYLPHENOL(CAS DataBase Reference)
• NIST Chemistry Reference: 2-PHENYLAZO-4-METHYLPHENOL(952-47-6)
• EPA Substance Registry System: 2-PHENYLAZO-4-METHYLPHENOL(952-47-6)

Safety Data

• Hazardous Substances Data: 952-47-6(Hazardous Substances Data)

Usage

Preparation

aniline diazotization, and p-Cresol coupling.

Properties and Applications

green yellow. Soluble in ethanol, Acetone and Benzene for green light yellow, hardly soluble in hot water, not soluble in organic solvent, acid resistance, light fastness is good, the heat resistance is poor. From ethanol in the product melting point of 107 ~ 108 ℃. In concentrated sulfuric acid to red light brown, dilution after yellow brown precipitation; In hot concentrated hydrochloric acid for orange brown solution; Sodium hydroxide in 2% hot liquid for red orange. Mainly used for transparent lacquer, rubber, organic glass, aluminum foil, celluloid and plastic products coloring. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO Good 107～108 Indissolvable

Standard

Light Fastness

Melting point

Stable

ISO

Good

InChI:InChI=1/C13H12N2O/c1-10-7-8-13(16)12(9-10)15-14-11-5-3-2-4-6-11/h2-9,16H,1H3/b15-14+

Upstream product

• 110-89-4 piperidine 
• 106-44-5 p-cresol 
• 542-15-4 anilinium nitrate 
• 142-04-1 aniline hydrochloride 
• 62-53-3 aniline 
• 2684-02-8 benzenediazonium 
• 7647-01-0 hydrogenchloride 
• 26054-05-7 acetic acid-(4-methyl-2-phenylazo-phenyl ester) 
• 4383-07-7 2-hydroxymethyl-4-methylphenol 
• 100-34-5 benzene diazonium chloride 
• 89-56-5 5-Methylsalicylic acid 

Downstream Products

• 77046-80-1 2-Methoxy-5-methyl-azobenzol 
• 6375-17-3 2-acetylamino-p-cresol 
• 29851-39-6 2-methyl-2-(4-methyl-2-phenylazophenoxy)-2-methylpropanoic acid 
• 6237-59-8 hexamethyl benzenehexacarboxylate 
• 1710-10-7 tetramethyl furan-2,3,4,5-tetracarboxylate 
• 61132-50-1 tris(3-benzeneazo-4-hydroxylato-toluene)-cobalt(III) 
• 77590-03-5 Bis(2,2'-bipyridine)(2-(phenylazo)-p-cresolato)ruthenium(II) perchlorate 
• 184887-00-1 [RuCl₂(C₁₃H₁₁N₂O)(P(C₆H₅)3)2] 
• 226999-91-3 [Ru(CH₃COCHCOCH₃)(CH₃C₆H₃(O)N₂C₆H₅)2] 
• 1006709-30-3 [Ru(OC₆H₃(CH₃)N₂C₆H₄)(CO)(As(C₆H₅)3)2] 
• 330685-08-0 [(OC₆H₃(CH₃)N₂C₆H₄)RhCl(P(C₆H₅)3)2] 
• 874298-60-9 carbonyl(2-(phenylazo)-4-methylphenolato^(2-)-C(2'),N⁽¹⁾,O)bis(triphenylphosphine)ruthenium 
• 874298-55-2 carbonylhydrido(2-(phenylazo)-4-methylphenolato-N⁽¹⁾,O)bis(triphenylphosphine)ruthenium 
• 652131-94-7 [Ir(triphenylphosphine)2(2-(phenylazo)-4-methylphenolato)(H)] 

Relevant articles and documents

Synthesis of some aryl azo-compounds under mild conditions

Some aryl azo compounds 2(a-h) were synthesized by reaction of corresponding aromatic amine and phenol derivatives under mild conditions. The yields of the products after recrysallization from acetic acid were in the order of 65-95 %. IR and 1H

Substituent Effects on Stability of Complexes of Iron(III), Cobalt(II), Nickel(II) and Copper(II) with Azocresols

The complex formation between substituted azocresols and iron(III), cobalt(II), nickel(II) and copper(II) have been studied potentiometrically in 50percent (v/v) aq ethanol at 25 deg C and μ=0.1.The stability constants of the complexes follow Irving-Willi