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2-Acetylbenzoic acid

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2-Acetylbenzoic acid Basic information

Product Name:
2-Acetylbenzoic acid
Synonyms:
  • METHYL PHENYL KETONE-O-CARBOXYLIC ACID
  • LABOTEST-BB LT01690060
  • 2-ACETYLBENZOIC ACID
  • 2'-ACETOPHENONECARBOXYLIC ACID
  • Benzoic acid, 2-acetyl-
  • AURORA KA-7300
  • BENZOYL METHIDE-O-CARBOXYLIC ACID
  • HYPNONE-O-CARBOXYLIC ACID
CAS:
577-56-0
MF:
C9H8O3
MW:
164.16
EINECS:
209-413-2
Product Categories:
  • Carboxylic Acids
  • Phenyls & Phenyl-Het
  • Aromatic Acetophenones & Derivatives (substituted)
  • Carboxylic Acids
  • Phenyls & Phenyl-Het
  • Aromatics
Mol File:
577-56-0.mol
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2-Acetylbenzoic acid Chemical Properties

Melting point:
115-117 °C (lit.)
Boiling point:
251.61°C (rough estimate)
Density 
1.2132 (rough estimate)
refractive index 
1.5380 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Dichloromethane, Ethyl Acetate, Methanol (Slightly)
pka
pK1: 4.13 (25°C)
form 
Crystalline Powder
color 
Light yellow to light orange
Water Solubility 
Soluble in Dichloromethane and Ethyl Acetate. Slightly soluble in water.
BRN 
1210557
CAS DataBase Reference
577-56-0(CAS DataBase Reference)
NIST Chemistry Reference
2-Acetylbenzoic acid(577-56-0)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
37/39-26-36-24/25
WGK Germany 
3
HS Code 
29183000

MSDS

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2-Acetylbenzoic acid Usage And Synthesis

Chemical Properties

Yellow Solid

Uses

A common component of hair dyes.

Uses

2-Acetylbenzoic acid is used as a component of hair dyes. It is used as an intermediate for pharmaceutical, cosmetics, agrochemical and food industries.

Synthesis Reference(s)

The Journal of Organic Chemistry, 40, p. 2996, 1975 DOI: 10.1021/jo00908a046

Purification Methods

It crystallises from *C6H6 and H2O (15g/100mL). The oxime has m 156-157o, and the 2,4-dinitrophenylhydrazone has m 185-186o(needles from EtOH). [Yale J Am Chem Soc 69 1547 1947, Panetta & Miller Synthesis 43 1977, Beilstein 10 H 690, 10 I 330, 10 II 479, 10 III 3025, 10 IV2766.]

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