| 3,4-Dihydroxybenzoic acid Basic information |
| Product Name: |
3,4-Dihydroxybenzoic acid |
| Synonyms: |
Protocatechuic aci;Protocatechuic acid, 4-Carboxybenzene-1,2-diol, 4-Carboxycatechol;3,4- twohydroxybenzoic acid/protocatechuicacid;3,4-Dihydroxybenzoic acid >=97.0% (T);Carbohydroquinonic acid;Hypogallic acid;3,4-Dihydroxybenzoic acid Vetec(TM) reagent grade, 97%;3,4-Dihydroxybenzoic acid, >=99% |
| CAS: |
99-50-3 |
| MF: |
C7H6O4 |
| MW: |
154.12 |
| EINECS: |
202-760-0 |
| Product Categories: |
chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;Aromatics, Metabolites & Impurities, Pharmaceuticals, Intermediates & Fine Chemicals;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;BenzoicAcidDerivative;Organic acids;API;sy;Allium cepa (Onion);Building Blocks;Inhibitors;C7;Carbonyl Compounds;Carboxylic Acids;Chemical Synthesis;Curcuma longa (Turmeric);Ginkgo biloba;Nutrition Research;Organic Building Blocks;Phytochemicals by Plant (Food/Spice/Herb);Vaccinium myrtillus (Bilberry) |
| Mol File: |
99-50-3.mol |
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| 3,4-Dihydroxybenzoic acid Chemical Properties |
| Melting point |
197-200 °C (dec.) (lit.) |
| Boiling point |
237.46°C (rough estimate) |
| density |
1.54 |
| FEMA |
4430 | 3,4-DIHYDROXYBENZOIC ACID |
| refractive index |
1.6400 (estimate) |
| storage temp. |
Store below +30°C. |
| solubility |
20g/l |
| pka |
4.48(at 25℃) |
| form |
Fine Crystalline Powder |
| color |
Beige to brown |
| Water Solubility |
Soluble in hot alcohol and r. Slightly soluble in water. |
| Sensitive |
Air Sensitive |
| Merck |
14,7894 |
| BRN |
1448841 |
| Stability: |
Stable. Incompatible with strong oxidizing agents, strong bases. |
| InChIKey |
YQUVCSBJEUQKSH-UHFFFAOYSA-N |
| CAS DataBase Reference |
99-50-3(CAS DataBase Reference) |
| EPA Substance Registry System |
Protocatechuic acid (99-50-3) |
| Hazard Codes |
Xi |
| Risk Statements |
36/37/38 |
| Safety Statements |
26-36-37/39 |
| WGK Germany |
3 |
| RTECS |
UL0560000 |
| HS Code |
29182990 |
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| 3,4-Dihydroxybenzoic acid Usage And Synthesis |
| Chemical Properties |
white to light yellow crystal powder |
| Uses |
3,4-Dihydroxybenzoic Acid is a metabolite of polyphenols such as Phloretin (P339000) and Quercetin (Q509500). |
| Uses |
A phenolic acid antioxidant and chemopreventive agent |
| Definition |
ChEBI: A dihydroxybenzoic acid in which the hydroxy groups are located at positions 3 and 4. |
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| 3,4-Dihydroxybenzoic acid Preparation Products And Raw materials |
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