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

CBNumber:: CB9209110

Molecular Formula:: C7H6O4

Molecular Weight:: 154.12

MDL Number:: MFCD00002462

MOL File:: 303-07-1.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 04:55:33

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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
InChI	1S/C7H6O4/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3,8-9H,(H,10,11)
InChIKey	AKEUNCKRJATALU-UHFFFAOYSA-N
SMILES	OC(=O)c1c(O)cccc1O
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

PPE

dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

RTECS

DG8578000

Hazard Note

Irritant

TSCA

TSCA listed

HS Code

29182990

Storage Class

11 - Combustible Solids

NFPA 704

	1
2		0

2,6-Dihydroxybenzoic acid price More Price(72)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	D109606	2,6-Dihydroxybenzoic acid 98%	303-07-1	25g	$53.5	2026-04-30	Buy
Sigma-Aldrich	D109606	2,6-Dihydroxybenzoic acid 98%	303-07-1	100g	$61.7	2026-04-30	Buy
TCI Chemical	R0011	2,6-Dihydroxybenzoic Acid >98.0%(GC)(T)	303-07-1	25g	$55	2026-04-30	Buy
TCI Chemical	R0011	2,6-Dihydroxybenzoic Acid >98.0%(GC)(T)	303-07-1	500g	$576	2026-04-30	Buy
Usbiological	273441	2,6-Dihydroxybenzoic acid Asreported	303-07-1	50g	$326	2026-06-03	Buy

Product number	Packaging	Price	Buy
D109606	25g	$53.5	Buy
D109606	100g	$61.7	Buy
R0011	25g	$55	Buy
R0011	500g	$576	Buy
273441	50g	$326	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 Suppliers ( 571)

Supplier	Tel	Email	Country	ProdList	Advantage
Pucheng County Runyi New Materials Technology Co., Ltd.	19049232377 19049232377	253226338@qq.com	China	108	58
Shandong Xibang Biological Technology Development Co. LTD	0536-3611186 15063661551	196056703@qq.com	China	59	58
Henan Vocas Biotechnology Co., Ltd	18537671377	vocas@foxmail.com	China	5000	58
Jiaxing Deyi Chemical Co., Ltd.	86-0573-85866609 18367600069	945717149@qq.com	China	9506	58
Hefei Ruiluo New Material Technology Co., Ltd.	19567218739	1759672789@qq.com	China	568	58
YANGZHOU HENGCHUAN CHEMICAL CO., LTD.	13775575144	59033115@qq.com	China	32	58
Shandong Lifan Chemical Co. LTD	17661223836	896889070@qq.com	China	97	58
Boxuan Chemical (Shandong) Co., Ltd.	17653188518	1280242276@qq.com	China	999	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62

Supplier	Advantage
Pucheng County Runyi New Materials Technology Co., Ltd.	58
Shandong Xibang Biological Technology Development Co. LTD	58
Henan Vocas Biotechnology Co., Ltd	58
Jiaxing Deyi Chemical Co., Ltd.	58
Hefei Ruiluo New Material Technology Co., Ltd.	58
YANGZHOU HENGCHUAN CHEMICAL CO., LTD.	58
Shandong Lifan Chemical Co. LTD	58
Boxuan Chemical (Shandong) Co., Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62

View Latest Price from 2,6-Dihydroxybenzoic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-30	2,6-Dihydroxybenzoic acid 303-07-1		1KG	98	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2026-05-28	2, 6-Dihydroxybenzoic Acid 303-07-1	$2.00-5.00	1KG	99%	10000kg	Hebei Chuanghai Biotechnology Co,.LTD
2026-05-26	2,6-Dihydroxybenzoic acid 303-07-1	$29.00		97.78%	10g	TargetMol Chemicals Inc.

2,6-Dihydroxybenzoic acid
303-07-1
98
Shaanxi Dideu New Materials Co. Ltd

2, 6-Dihydroxybenzoic Acid
303-07-1
$2.00-5.00
99%
Hebei Chuanghai Biotechnology Co,.LTD

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

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

303-07-1 (2,6-Dihydroxybenzoic acid ) Related Search:

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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 2,6-Dihydroxy Benzoic Acid (Dhba) 2,6-DIHYDROXYBENZOIC ACID 2,6-Resorcylic 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-Dihydroxybenzoic Acid > 2,6-Dihydroxybenzoic acid, 10 mM in DMSO 2,6-dihydroxybenzoate GAMMA-RESORCYLIC ACID 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