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3,4-Dimethylbenzoic acid

3,4-Dimethylbenzoic acid
3,4-Dimethylbenzoic acid structure
CAS No.
619-04-5
Chemical Name:
3,4-Dimethylbenzoic acid
Synonyms
Xylylic acid;AKOS BBS-00007820;Paraxy lylic acid;RARECHEM AL BO 0330;ASYM-O-XYLYLIC ACID;unsyM-o-Xylylic acid;3,4-DIMETHYLBENZOICAICD;3,4-dimethyl-benzoicaci;3,4-DIMETHYLBENZOIC ACID;O-XYLENE-4-CARBOXYLIC ACID
CBNumber:
CB2766496
Molecular Formula:
C9H10O2
Formula Weight:
150.17
MOL File:
619-04-5.mol

3,4-Dimethylbenzoic acid Properties

Melting point:
163-165 °C(lit.)
Boiling point:
271.51°C (estimate)
Density 
1.0937 (estimate)
refractive index 
1.5188 (estimate)
storage temp. 
Store below +30°C.
form 
Crystalline Powder
color 
White to beige
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
Benzoic acid, 3,4-dimethyl-(619-04-5)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

3,4-Dimethylbenzoic acid price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D149403 3,4-Dimethylbenzoic acid 98% 619-04-5 10g $37.3 2018-11-13 Buy
Sigma-Aldrich D149403 3,4-Dimethylbenzoic acid 98% 619-04-5 100g $239 2018-11-13 Buy
TCI Chemical D1439 3,4-Dimethylbenzoic Acid >99.0%(T) 619-04-5 10g $40 2018-11-22 Buy
TCI Chemical D1439 3,4-Dimethylbenzoic Acid >99.0%(T) 619-04-5 25g $64 2018-11-22 Buy
Alfa Aesar A19260 3,4-Dimethylbenzoic acid, 98% 619-04-5 100g $102 2018-11-13 Buy

3,4-Dimethylbenzoic acid Chemical Properties,Uses,Production

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

Raw materials

Preparation Products


3,4-Dimethylbenzoic acid Suppliers

Global( 166)Suppliers
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Capot Chemical Co.,Ltd.
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TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 Sales-CN@TCIchemicals.com China 24648 81
Beijing dtftchem Technology Co., Ltd. 13651141086; 86(10)60275028、60275820
86 (10) 60270825 dtftchem@sina.com China 3430 62
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 info@energy-chemical.com China 44187 61

3,4-Dimethylbenzoic acid Spectrum


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