3,4-DIHYDROXYBENZOIC ACID CAS:99-50-3
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Package: 25KG/drum, or as buyer request. Storage: in a dry and ventilated warehouse; keep away from sunshine and moisture.
| Name | 3,4-Dihydroxybenzoic acid |
| Synonyms | AKOS 220-70 Hypogallic acid Protocatechuic aci RARECHEM AL BO 0347 Protocatechuic acid 3,4-dihydroxybenzoate Carbohydroquinonic acid 3,4-DIHYDROBENZOIC ACID 3,4-Dihydroxybenzoic acid 3,4-Dihydroxy benzoic acid CATECHOL-4-CARBOXYLIC ACID PROTOCATECHUIC ACID N-HYDRATE 3,4-Dihydroxybenzoic acid N-HYDRATE cyclohexa-1,5-diene-1-carboxylic acid Protocatechuic acid, 4-Carboxybenzene-1,2-diol, 4-Carboxycatechol |
| CAS | 99-50-3 |
| EINECS | 202-760-0 |
| InChI | InChI=1/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)/p-1 |
| InChIKey | YQUVCSBJEUQKSH-UHFFFAOYSA-N |
| Molecular Formula | C7H6O4 |
| Molar Mass | 154.12 |
| Density | 1.54 |
| Melting Point | 197-200 °C (dec.) (lit.) |
| Boling Point | 237.46°C (rough estimate) |
| Flash Point | 216.3°C |
| Water Solubility | Soluble in hot alcohol and ether. Slightly soluble in water. |
| Solubility | Soluble in water, ethanol, ether, acetone, slightly soluble in benzene and chloroform, insoluble in petroleum ether. |
| Vapor Presure | 1.75E-07mmHg at 25°C |
| Appearance | White to brown crystalline powder, discolored in air |
| Color | Beige to brown |
| Merck | 14,7894 |
| BRN | 1448841 |
| pKa | 4.48(at 25℃) |
| PH | 3.78(1 mM solution);3.25(10 mM solution);2.74(100 mM solution) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.6400 (estimate) |
| MDL | MFCD00002509 |
| Physical and Chemical Properties | Melting Point: 198-202°C |
| Use | Used as a dye, pharmaceutical intermediates |
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