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2,6-Dihydroxybenzoic acid

2,6-Dihydroxybenzoic acid structure

CAS No.: 303-07-1

Chemical Name:: 2,6-Dihydroxybenzoic acid

Synonyms: 2,6-Resorcylic acid;nsc49172;2,6-Dihydroxyl;G-RESORCYLIC ACID;2-Carboxyresorcinol;gama-Resorcylic acid;2,6-Dihydroxybenzoic;GAMMA-RESORCYLIC ACID;2,6-dihydroxybenzoate;6-hydroxysalicylicacid

CBNumber:: CB9209110

Molecular Formula:: C7H6O4

Molecular Weight:: 154.12

MDL Number:: MFCD00002462

MOL File:: 303-07-1.mol

Last updated:2025-11-07 14:45:54

Product description	Number	Pack Size	Price
2,6-Dihydroxybenzoic acid 98%	D109606	25g	$50.2
2,6-Dihydroxybenzoic acid 98%	D109606	100g	$57.9
2,6-Dihydroxybenzoic Acid >98.0%(GC)(T)	R0011	25g	$68
2,6-Dihydroxybenzoic Acid >98.0%(GC)(T)	R0011	500g	$771
6-HydroxysalicylicAcid	H946265	50g	$120
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2,6-Dihydroxybenzoic acid Properties

Melting point	165 °C (dec.) (lit.)
Boiling point	237.46°C (rough estimate)
Density	1.3725 (rough estimate)
refractive index	1.6400 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	25g/l
pka	pK1:1.30 (25°C)
form	Crystalline Powder
color	Off-white
Water Solubility	9.56g/L(temperature not stated)
BRN	2209755
LogP	2.200
CAS DataBase Reference	303-07-1(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	RSA5G6VRPV
NIST Chemistry Reference	Benzoic acid, 2,6-dihydroxy-(303-07-1)
EPA Substance Registry System	2,6-Resorcylic acid (303-07-1)
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-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

RTECS

DG8578000

Hazard Note

Irritant

TSCA

Yes

HS Code

29182990

NFPA 704

	1
2		0

2,6-Dihydroxybenzoic acid price More Price(34)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D109606	2,6-Dihydroxybenzoic acid 98%	303-07-1	25g	$50.2	2025-07-31	Buy
Sigma-Aldrich	D109606	2,6-Dihydroxybenzoic acid 98%	303-07-1	100g	$57.9	2025-07-31	Buy
TCI Chemical	R0011	2,6-Dihydroxybenzoic Acid >98.0%(GC)(T)	303-07-1	25g	$68	2025-07-31	Buy
TCI Chemical	R0011	2,6-Dihydroxybenzoic Acid >98.0%(GC)(T)	303-07-1	500g	$771	2025-07-31	Buy
TRC	H946265	6-HydroxysalicylicAcid	303-07-1	50g	$120	2021-12-16	Buy

Product number	Packaging	Price	Buy
D109606	25g	$50.2	Buy
D109606	100g	$57.9	Buy
R0011	25g	$68	Buy
R0011	500g	$771	Buy
H946265	50g	$120	Buy

2,6-Dihydroxybenzoic acid Chemical Properties,Uses,Production

Chemical Properties

Off-white crystalline powder

Uses

6-Hydroxysalicylic Acid, is used in biological studies to evaluate the microbial metabolism of various sources of polyphenols in colon area.

Definition

ChEBI: A dihydroxybenzoic acid having the two hydroxy groups at the C-2 and C-6 positions.

Purification Methods

Dissolve the acid in aqueous NaHCO3 and the solution is washed with ether to remove non-acidic material. The acid is precipitated by adding H2SO4, and recrystallised from water. Dry it under va

2,6-Dihydroxybenzoic acid synthesis

Synthesis of 2,6-Dihydroxybenzoic acid from Glycerol and Resorcinol

2,6-Dihydroxybenzoic acid Preparation Products And Raw materials

Raw materials

2,4-Dihydroxybenzoic acid Potassium carbonate Resorcinol Carbon dioxide (2,6-dihydroxyphenyl)acetic acid

Preparation Products

2,6-Dimethoxybenzoic acid Bispyribac-sodium Pyribenzoxim Bispyribac 4-Chlororesorcinol

bellidifolin Ginkgolic acid Benzoyl chloride, 2,6-dihydroxy- (9CI)

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2,6-Dihydroxybenzoic acid Suppliers

Global( 563)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8770	58
Shaanxi Dideu Medichem Co. Ltd	+86-029-81138252 +86-173 9270 1263	1057@dideu.com	China	3999	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-13131129325	sales1@chuanghaibio.com	China	5251	58
Hebei Chuanghai Biotechnology Co., Ltd	+8615531151365	mina@chuanghaibio.com	China	18126	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21616	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29850	58
NINGBO INNO PHARMCHEM CO., LTD.	13867897135	sales@nbinno.com	CHINA	923	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Shaanxi Dideu Medichem Co. Ltd	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Hebei Chuanghai Biotechnology Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
NINGBO INNO PHARMCHEM CO., LTD.	58
Hubei Jusheng Technology Co.,Ltd.	58
Shandong chuangyingchemical Co., Ltd.	58

View Lastest Price from 2,6-Dihydroxybenzoic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-11-07	2,6-Dihydroxybenzoic acid 303-07-1	US $29.00 / mg		97.78%	10g	TargetMol Chemicals Inc.
2025-11-06	2,6-Dihydroxybenzoic acid 303-07-1	US $1.00 / KG	1KG	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-08-08	2,6-Dihydroxybenzoic acid 303-07-1	US $100.00 / KG	1KG	99%	5000kg/week	Sichuan Zhuoyu Yantang Technology Co., Ltd.

2,6-Dihydroxybenzoic acid
303-07-1
US $29.00 / mg
97.78%
TargetMol Chemicals Inc.

2,6-Dihydroxybenzoic acid
303-07-1
US $1.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

2,6-Dihydroxybenzoic acid
303-07-1
US $100.00 / KG
99%
Sichuan Zhuoyu Yantang Technology Co., Ltd.

2,6-Dihydroxybenzoic acid Spectrum

2,6-Dihydroxybenzoic acid(303-07-1)MS 2,6-Dihydroxybenzoic acid(303-07-1)¹HNMR 2,6-Dihydroxybenzoic acid(303-07-1)¹³CNMR 2,6-Dihydroxybenzoic acid(303-07-1)IR1 2,6-Dihydroxybenzoic acid(303-07-1)IR2 2,6-Dihydroxybenzoic acid(303-07-1)Raman

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RESORCINOL-2-CARBOXYLIC ACID 2,6-dihydroxy-benzoicaci 2,6-Dihydroxylbenzoicacid 2-Carboxyresorcinol 6-Hydroxysalicylic acid 6-hydroxysalicylicacid nsc49172 G-RESORCYLIC ACID GAMMA-RESORCYLIC ACID 2,6-DIHYDROXYBENZOIC ACID 2,6-dihydroxybenzoric acid gama-Resorcylic acid 2,6-Dihydroxyl Benzoic acid, 2,6-dihydroxy- 2,6-DIHYDROXYBENZOIC ACID / GAMMA-RESORCYLIC ACID 2,6-DIHYDROXY BENZOIC ACID,96+% 2,6-Dihydroxybenzoic acid,97% RESORCYLIC ACID, BETA-(RG) 2,6-Dihydroxybenzoic 2,6-Dihydroxybenzoic acid, 97% 100GR 2,6-DIHYDROBENZOIC ACID FOR SYNTHESIS 2,6- twohydroxybenzoic acid 2,6-Dihydroxybenzoic acid Vetec(TM) reagent grade, 98% 2,6-Dihydroxy Benzoic Acid (Dhba) 2,6-dihydroxybenzoate 2,6-Dihydroxybenzoic Acid > 2,6-Resorcylic acid 2,6-Dihydroxybenzoic acid, 10 mM in DMSO 303-07-1 303-07-01 C7 Carbonyl Compounds Carboxylic Acids Building Blocks Organic Building Blocks intermeidate Isoquinolines ,Quinolines ,Quinaldines Organic acids Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts bc0001