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3,5-Dichlorosalicylic acid

3,5-Dichlorosalicylic acid structure

CAS No.: 320-72-9

Chemical Name:: 3,5-Dichlorosalicylic acid

Synonyms: 3,5-DICHLORO-2-HYDROXYBENZOIC ACID;usafdo-68;USAF do-68;TIMTEC-BB SBB003480;RARECHEM AL BE 0032;3,5-Dichlorosalicyli;3,5-dichloro-salicylicaci;3,5-DICHLOROSSALICYLICACID;3,5-DICHLOROSALICYLIC ACID;3,5-Dichlorosa licglic acid

CBNumber:: CB9416998

Molecular Formula:: C7H4Cl2O3

Molecular Weight:: 207.01

MDL Number:: MFCD00002442

MOL File:: 320-72-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 06:21:26

Product description	Number	Pack Size	Price
3,5-Dichlorosalicylic acid 97%	254681	25g	$71.2
3,5-Dichlorosalicylic Acid >98.0%(GC)(T)	D1112	25g	$38
3,5-Dichlorosalicylic Acid >98.0%(GC)(T)	D1112	500g	$335
3,5-Dichlorosalicylic acid	FD34774	50g	$222.5
3,5-Dichlorosalicylic acid	FD34774	100g	$335
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3,5-Dichlorosalicylic acid Properties

Melting point	220-222 °C (lit.)
Boiling point	297.29°C (rough estimate)
Density	1.5281 (rough estimate)
refractive index	1.4845 (estimate)
storage temp.	Inert atmosphere,Room Temperature
solubility	Solubility in methanol (almost transparency).
pka	1.99±0.14(Predicted)
form	Solid
color	White to Off-White
Henry's Law Constant	1.3×10³ mol/(m³Pa) at 25℃, Zhang et al. (2010)
InChI	1S/C7H4Cl2O3/c8-3-1-4(7(11)12)6(10)5(9)2-3/h1-2,10H,(H,11,12)
InChIKey	CNJGWCQEGROXEE-UHFFFAOYSA-N
SMILES	OC(=O)c1cc(Cl)cc(Cl)c1O
CAS DataBase Reference	320-72-9(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	O6PXR32G3V
NIST Chemistry Reference	Benzoic acid, 3,5-dichloro-2-hydroxy-(320-72-9)
EPA Substance Registry System	3,5-Dichlorosalicyclic acid (320-72-9)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P264-P271-P280-P302+P352-P305+P351+P338

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Xn,Xi

Risk Statements

36/37/38-22

Safety Statements

37/39-26-36

WGK Germany

RTECS

VO2450000

TSCA

TSCA listed

HS Code

29182900

Storage Class

11 - Combustible Solids

Hazard Classifications

Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Hazardous Substances Data

320-72-9(Hazardous Substances Data)

NFPA 704

	0
2		0

3,5-Dichlorosalicylic acid price More Price(44)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	254681	3,5-Dichlorosalicylic acid 97%	320-72-9	25g	$71.2	2026-04-30	Buy
TCI Chemical	D1112	3,5-Dichlorosalicylic Acid >98.0%(GC)(T)	320-72-9	25g	$38	2026-04-30	Buy
TCI Chemical	D1112	3,5-Dichlorosalicylic Acid >98.0%(GC)(T)	320-72-9	500g	$335	2026-04-30	Buy
Biosynth	FD34774	3,5-Dichlorosalicylic acid	320-72-9	50g	$222.5	2026-06-04	Buy
Biosynth	FD34774	3,5-Dichlorosalicylic acid	320-72-9	100g	$335	2026-06-04	Buy

Product number	Packaging	Price	Buy
254681	25g	$71.2	Buy
D1112	25g	$38	Buy
D1112	500g	$335	Buy
FD34774	50g	$222.5	Buy
FD34774	100g	$335	Buy

3,5-Dichlorosalicylic acid Chemical Properties,Uses,Production

Chemical Properties

white crystalline powder

Uses

3,5-Dichlorosalicylic acid is a bio-active drug and is a potential inhibitor of human 20α-hydroxysteroid dehydrogenase. It also finds its application as medicine and dyes intermediates.

Definition

ChEBI: 3,5-Dichlorosalicylicacid is a chlorobenzoic acid.

General Description

3,5-Dichlorosalicylic acid is a bio-active drug and its interaction with a model transport protein bovine serum albumin has been investigated. It is a potential inhibitor of human 20α-hydroxysteroid dehydrogenase.

Safety Profile

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

3,5-Dichlorosalicylic acid synthesis

Synthesis of 3,5-Dichlorosalicylic acid from 3,5-Dichloro-2-hydroxybenzoic acid methyl ester

3,5-Dichlorosalicylic acid Preparation Products And Raw materials

Raw materials

Salicylic acid 3,5-Dichloro-2-hydroxybenzoic acid methyl ester 2-(benzyloxy)-3,5-dichlorobenzoic acid Sulfosalicylic acid 5-Chloro-2-hydroxybenzoic acid

Preparation Products

2,3,4,6-TETRACHLOROPHENOL 3,3',4',5-TETRACHLOROSALICYLANILIDE 2,4,5-Trichlorophenol

3,5-Dichlorosalicylic acid Suppliers

Global( 264)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8738	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-86-13131129325 +8613131129325	sales1@chuanghaibio.com	China	5228	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21587	55
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19936	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29792	58
Fuxin Pharmaceutical	+86-021-021-50872116 +8613122107989	contact@fuxinpharm.com	China	10000	58
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	sale04@alfachem.cn	China	9542	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
BOC Sciences	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Fuxin Pharmaceutical	58
Zhengzhou Alfa Chemical Co.,Ltd	58

View Lastest Price from 3,5-Dichlorosalicylic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-05-28	3,5-Dichlorosalicylic acid 320-72-9	$9.00	1KG	99.9	1 ton	Hebei Chuanghai Biotechnology Co,.LTD
2026-04-17	3,5-Dichlorosalicylic acid 320-72-9	$2.00-5.00	1kg	99%	100kg	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2026-03-20	3,5-Dichlorosalicylic acid 320-72-9	$10.00	1KG	99%	5tons	Hebei Chuanghai Biotechnology Co., Ltd

3,5-Dichlorosalicylic acid
320-72-9
$9.00
99.9
Hebei Chuanghai Biotechnology Co,.LTD

3,5-Dichlorosalicylic acid
320-72-9
$2.00-5.00
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

3,5-Dichlorosalicylic acid
320-72-9
$10.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

3,5-Dichlorosalicylic acid Spectrum

3,5-Dichlorosalicylic acid(320-72-9)MS 3,5-Dichlorosalicylic acid(320-72-9)¹HNMR 3,5-Dichlorosalicylic acid(320-72-9)¹³CNMR 3,5-Dichlorosalicylic acid(320-72-9)IR1 3,5-Dichlorosalicylic acid(320-72-9)IR2 3,5-Dichlorosalicylic acid(320-72-9)Raman

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3,5-DICHLOROSSALICYLICACID 3,5-Dichlorosalicylic acid,99% 3,5-Dichlorosalicylic acid, 2-Carboxy-4,6-dichlorophenol 3,5-Dichlorosa licglic acid 3,5-Dichlorosalicylic acid,3,5-Dichloro-2-hydroxybenzoic acid 3,5-Dichlorosalicyli 2-Hydroxy-3,5-dichlorobenzoic acid 3,5-dichloro-2-hydroxybenzoate TIMTEC-BB SBB003480 2-hydroxy-3,5-dichlorobenzoicacid 3,5-dichloro-2-hydroxy-benzoicaci 3,5-dichloro-salicylicaci Salicylic acid, 3,5-dichloro- USAF do-68 usafdo-68 3,5-DICHLOROSALICYLIC ACID 3,5-DICHLORO-2-HYDROXYBENZOIC ACID RARECHEM AL BE 0032 3, 5- two chloro salicylic acid 3,5-Dichlorosalicylic Acid > 320-72-9 320-79-2 Cl2C6H2OHCO2H C7H3Cl2O3 Organic Building Blocks Carboxylic Acids Carbonyl Compounds C7 Building Blocks Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts