4-broMobenzene-1,2-diol
4-bromopyrocatechol
CAS: 17345-77-6
Molecular Formula: C6H5BrO2
4-broMobenzene-1,2-diol - Names and Identifiers
| Name | 4-bromopyrocatechol |
| Synonyms | -Bromocatechol 4-BROMOCATECHOL 4-Bromocatechol 4-bromopyrocatechol 4-broMobenzene-1,2-diol 4-bromobenzene-1,2-diol 4-Bromo-1,2-benzenediol 1,2-Benzenediol, 4-broMo- 4-BROMO-1,2-DIHYDROXYBENZENE |
| CAS | 17345-77-6 |
| EINECS | 241-370-5 |
| InChI | InChI=1/C6H5BrO2/c7-4-1-2-5(8)6(9)3-4/h1-3,8-9H |
| InChIKey | AQVKHRQMAUJBBP-UHFFFAOYSA-N |
4-broMobenzene-1,2-diol - Physico-chemical Properties
| Molecular Formula | C6H5BrO2 |
| Molar Mass | 189.01 |
| Density | 1.844±0.06 g/cm3(Predicted) |
| Melting Point | 87 °C |
| Boling Point | 280.5±20.0 °C(Predicted) |
| Flash Point | 123.5°C |
| Solubility | DMSO |
| Vapor Presure | 0.00222mmHg at 25°C |
| Appearance | Solid |
| Color | Brown |
| pKa | 8.84±0.10(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Sensitive | Sensitive to air |
| Refractive Index | 1.657 |
| MDL | MFCD00869769 |
| Physical and Chemical Properties | White crystal. Melting point 87 ℃. Soluble in ethanol and acetone, slightly soluble in water. |
4-broMobenzene-1,2-diol - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S24/25 - Avoid contact with skin and eyes. |
| HS Code | 29081990 |
4-broMobenzene-1,2-diol - Reference Information
| chemical properties | white crystal. Melting point 87 ℃. Soluble in ethanol and acetone, slightly soluble in water. |
| use | organic synthesis intermediate. |
| production method | solution prepared by dissolving catechol in glacial acetic acid, cooling and adding bromine and glacial acetic acid dropwise. After 2h of reaction, acetic acid was evaporated under reduced pressure, the crude product was dissolved with solvent, decolorized with activated carbon, separated and dried to obtain the finished product. |
Last Update：2024-04-10 22:29:15
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