ChemicalBook >> CAS DataBase List >>2,6-Dihydroxybenzoic acid

2,6-Dihydroxybenzoic acid

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
Product description Number Pack Size Price
2,6-Dihydroxybenzoic acid 98% D109606 25g $53.5
2,6-Dihydroxybenzoic acid 98% D109606 100g $61.7
2,6-Dihydroxybenzoic Acid >98.0%(GC)(T) R0011 25g $55
2,6-Dihydroxybenzoic Acid >98.0%(GC)(T) R0011 500g $576
2,6-Dihydroxybenzoic acid 075254 100.00g $45
More product size

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)  Exclamation Mark (GHS07)
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  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
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(50)

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
Matrix Scientific 075254 2,6-Dihydroxybenzoic acid 303-07-1 100.00g $45 2026-05-18 Buy
Product number Packaging Price Buy
D109606 25g $53.5 Buy
D109606 100g $61.7 Buy
R0011 25g $55 Buy
R0011 500g $576 Buy
075254 100.00g $45 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

56-81-5
108-46-3
303-07-1
Synthesis of 2,6-Dihydroxybenzoic acid from Glycerol and Resorcinol
Global( 566)Suppliers
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Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055 Sibel@chuanghaibio.com China 8738 58
Shaanxi Dideu Medichem Co. Ltd
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Hebei Chuanghai Biotechnology Co,.LTD
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NINGBO INNO PHARMCHEM CO., LTD.
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Shandong chuangyingchemical Co., Ltd.
18853181302 sale@chuangyingchem.com CHINA 5906 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63687 58

View Lastest Price from 2,6-Dihydroxybenzoic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2, 6-Dihydroxybenzoic Acid pictures 2026-05-28 2, 6-Dihydroxybenzoic Acid
303-07-1
US $5.00-2.00 / KG 1KG 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD
2,6-Dihydroxybenzoic acid pictures 2026-05-26 2,6-Dihydroxybenzoic acid
303-07-1
US $29.00 / mg 97.78% 10g TargetMol Chemicals Inc.
2,6-Dihydroxybenzoic acid pictures 2026-03-20 2,6-Dihydroxybenzoic acid
303-07-1
US $1.00 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
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