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3,4-Dichlorobenzoic acid

3,4-Dichlorobenzoic acid
3,4-Dichlorobenzoic acid structure
Chemical Name:
3,4-Dichlorobenzoic acid
FUB-AKB;3,4-DCBA;207-209℃;RARECHEM AL BO 0329;3,4-Dichlorobenzoic;Dichlorobenzoic Aci;3,4-dichloro-benzoicaci;3,4-DICHLOROBENZOIC ACID;3,4-DICHLOR-BENZOESAEURE;3,4-Dichlorobenzoicacid,99%
Molecular Formula:
Formula Weight:
MOL File:

3,4-Dichlorobenzoic acid Properties

Melting point:
204-206 °C(lit.)
Boiling point:
273.68°C (rough estimate)
1.4410 (rough estimate)
refractive index 
1.4590 (estimate)
storage temp. 
Store below +30°C.
Water Solubility 
CAS DataBase Reference
51-44-5(CAS DataBase Reference)
NIST Chemistry Reference
Benzoic acid, 3,4-dichloro-(51-44-5)
EPA Substance Registry System
Benzoic acid, 3,4-dichloro-(51-44-5)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38-37/38-36
Safety Statements  26-36-37/39
WGK Germany  3
RTECS  DG7175000
Hazard Note  Irritant
HS Code  29163900
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:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

3,4-Dichlorobenzoic acid price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 144932 3,4-Dichlorobenzoic acid 99% 51-44-5 25g $26.2 2018-11-13 Buy
TCI Chemical D0340 3,4-Dichlorobenzoic Acid >98.0%(GC)(T) 51-44-5 25g $28 2018-11-22 Buy
TCI Chemical D0340 3,4-Dichlorobenzoic Acid >98.0%(GC)(T) 51-44-5 500g $309 2018-11-22 Buy
Alfa Aesar A15873 3,4-Dichlorobenzoic acid, 99% 51-44-5 25g $21 2018-11-13 Buy
Alfa Aesar A15873 3,4-Dichlorobenzoic acid, 99% 51-44-5 100g $57.2 2018-11-13 Buy

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

Chemical Properties

White to light yellow crystal powder


ChEBI: A chlorobenzoic acid carrying chloro substituents at positions 3 and 4.

Safety Profile

Poison by subcutaneous route. When heated to decomposition it emits toxic fumes of Cl-.

Purification Methods

Crystallise the acid from aqueous EtOH (charcoal) or acetic acid. [Beilstein 9 IV 1006.] Aromatic acid impurities (to <0.05%) can be removed via the (±)--methylbenzylamine salt as described for 2,4-dichlorobenzoic acid [Ley & Yates Organic Process Research & Development 12 120 2008.]

3,4-Dichlorobenzoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-Dichlorobenzoic acid Suppliers

Global( 161)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Hebei Guanlang Biotechnology Co., Ltd.
+86-0311-66562153 whatsapp +8615203118427
+86-0311-66562153 CHINA 407 50
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32457 55
Speranza Chemical Co., Ltd.
+86-755-33122716 CHINA 171 55
Hebei Chisure Biotechnology Co., Ltd.
+8613091036086; +8613292890173
+8613292893290; CHINA 1019 58
Accela ChemBio Inc.
(+1)-858-876-1948 United States 12233 58
Hebei Guanlang Biotechnology Co., Ltd.
+8619930501651 CHINA 928 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40277 62
3B Pharmachem (Wuhan) International Co.,Ltd. 86-21-50328103 * 801、802、803、804 Mobile:18930552037
86-21-50328109 China 15884 69
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30168 84

View Lastest Price from 3,4-Dichlorobenzoic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-07-27 3,4-Dichlorobenzoic acid
US $100.00 / KG 10G 99% 500kg/month Hebei Chisure Biotechnology Co., Ltd.
2018-11-16 fubakb
US $120.00 / G 10G 99.6% 500kg/month Hebei Huanhao Biotechnology Co., Ltd.
2018-08-13 3,4-Dichlorobenzoic acid
US $10.00 / KG 1KG 99% 100 MT per month Hebei Guanlang Biotechnology Co., Ltd.

3,4-Dichlorobenzoic acid Spectrum

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