3,5-Dimethylbenzoic acid Chemical Properties

Melting point:

169-171 °C (lit.)

Boiling point:

271.51°C (estimate)

Density 

1.0937 (estimate)

refractive index 

1.5188 (estimate)

storage temp. 

Sealed in dry,Room Temperature

pka

4.32(at 25℃)

form 

Crystalline Powder

color 

White to light yellow

Water Solubility 

Soluble in methanol. (1 g/10 mL). Slightly soluble in water.

BRN 

1072182

CAS DataBase Reference

499-06-9(CAS DataBase Reference)

NIST Chemistry Reference

Benzoic acid, 3,5-dimethyl-(499-06-9)

EPA Substance Registry System

Benzoic acid, 3,5-dimethyl- (499-06-9)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

WGK Germany 

3

RTECS 

DG8734030

Hazard Note 

Irritant

TSCA 

Yes

HS Code 

29163900

MSDS

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3,5-Dimethylbenzoic acid Usage And Synthesis

Chemical Properties

white to light yellow crystalline powder

Uses

3,5-Dimethylbenzoic acid is suitable reagent used as carbon and energy supplement in the culture medium of Pseudomonas sp

Definition

ChEBI: A dimethylbenzoic acid in which the two methyl groups are located at positions 3 and 5.

Purification Methods

Distil the acid in steam, crystallise it from H2O (m 171.2-171.7o) or EtOH, and sublime it in vacuo.[Beilstein 9 H 536, 9 III 244, 9 IV 1806.]

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