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3,4-Dimethylbenzoic acid

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3,4-Dimethylbenzoic acid Basic information

Product Name:
3,4-Dimethylbenzoic acid
Synonyms:
  • RARECHEM AL BO 0330
  • O-XYLENE-4-CARBOXYLIC ACID
  • 1-Carboxy-3,4-dimethylbenzene
  • 3,4-dimethylbenzoate
  • D**3,4-DIMETHYLBENZOIC ACID
  • 3,4-dimethyl-benzoicaci
  • 3,4-DIMETHYLBENZOIC ACID
  • AKOS BBS-00007820
CAS:
619-04-5
MF:
C9H10O2
MW:
150.17
EINECS:
210-576-7
Product Categories:
  • Acids & Esters
  • CARBOXYLICACID
  • Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts
  • Benzenes
Mol File:
619-04-5.mol
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3,4-Dimethylbenzoic acid Chemical Properties

Melting point:
163-165 °C (lit.)
Boiling point:
271.51°C (estimate)
Density 
1.0937 (estimate)
refractive index 
1.5188 (estimate)
storage temp. 
Sealed in dry,Room Temperature
form 
Crystalline Powder
pka
4.44±0.10(Predicted)
color 
White to beige
Water Solubility 
129.2mg/L(temperature not stated)
BRN 
907267
CAS DataBase Reference
619-04-5(CAS DataBase Reference)
NIST Chemistry Reference
Benzoic acid, 3,4-dimethyl-(619-04-5)
EPA Substance Registry System
3,4-Dimethylbenzoic acid (619-04-5)
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Safety Information

Hazard Codes 
Xi,Xn
Risk Statements 
36/37/38-22
Safety Statements 
22-24/25-37/39-26
WGK Germany 
3
RTECS 
DG8734020
TSCA 
Yes
HS Code 
29163900

MSDS

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3,4-Dimethylbenzoic acid Usage And Synthesis

Chemical Properties

white to beige crystalline powder

Definition

ChEBI: A dimethylbenzoic acid in which the two methyl groups are located at positions 3 and 4.

Purification Methods

Crystallise it from EtOH or H2O (m 168-168.5o), and sublime it in vacuo. The phenyl ester has m 68o (from EtOH or pet ether) and b 155-157o/2mm. [Beilstein 9 II 353, 9 III 2441, 9 IV 1803.]

3,4-Dimethylbenzoic acid Preparation Products And Raw materials

Preparation Products

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