2,6-Dihydroxybenzoic acid
Synonym(s):γ-Resorcylic acid
- CAS NO.：303-07-1
- Empirical Formula: C7H6O4
- Molecular Weight: 154.12
- MDL number: MFCD00002462
- EINECS: 206-134-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-21 17:11:28
What is 2,6-Dihydroxybenzoic acid ?
Chemical properties
Off-white crystalline powder
The Uses of 2,6-Dihydroxybenzoic acid
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
Properties of 2,6-Dihydroxybenzoic acid
| 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 |
| CAS DataBase Reference | 303-07-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid, 2,6-dihydroxy-(303-07-1) |
| EPA Substance Registry System | 2,6-Resorcylic acid (303-07-1) |
Safety information for 2,6-Dihydroxybenzoic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 2,6-Dihydroxybenzoic acid
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