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
| 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 | |||
| 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 | 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 |
|
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 |
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 Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-81138252 +86-173 9270 1263 | 1057@dideu.com | China | 4000 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 | sales1@chuanghaibio.com | China | 5231 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615531151365 | mina@chuanghaibio.com | China | 18126 | 58 |
| Capot Chemical Co.,Ltd. | +8613336195806 | sales@capot.com | China | 29640 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21588 | 55 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29815 | 58 |
| NINGBO INNO PHARMCHEM CO., LTD. | 13867897135 | sales@nbinno.com | CHINA | 923 | 58 |
| 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 | |
|---|---|---|---|---|---|---|---|---|
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2026-05-28 | 2, 6-Dihydroxybenzoic Acid
303-07-1
|
US $5.00-2.00 / KG | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
![]() |
2026-05-26 | 2,6-Dihydroxybenzoic acid
303-07-1
|
US $29.00 / mg | 97.78% | 10g | TargetMol Chemicals Inc. | ||
![]() |
2026-03-20 | 2,6-Dihydroxybenzoic acid
303-07-1
|
US $1.00 / KG | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd |
-

- 2, 6-Dihydroxybenzoic Acid
303-07-1
- US $5.00-2.00 / KG
- 99%
- Hebei Chuanghai Biotechnology 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








