Phenol, 2,6-dibromo-
2,6-Dibromophenol
CAS: 608-33-3
Molecular Formula: C6H4Br2O
Phenol, 2,6-dibromo- - Names and Identifiers
| Name | 2,6-Dibromophenol |
| Synonyms | 2,6-DIBROMOPHENOL 2,6-dibromo-pheno 2,6-Dibromophenol 2,6-Dibromo Phenol Dibromophenol, 2,6- Phenol, 2,6-dibromo- |
| CAS | 608-33-3 |
| EINECS | 210-161-0 |
| InChI | InChI=1/C6H4Br2O/c7-4-2-1-3-5(8)6(4)9/h1-3,9H |
| InChIKey | SSIZLKDLDKIHEV-UHFFFAOYSA-N |
Phenol, 2,6-dibromo- - Physico-chemical Properties
| Molecular Formula | C6H4Br2O |
| Molar Mass | 251.9 |
| Density | 1.8854 (rough estimate) |
| Melting Point | 53-56 °C (lit.) |
| Boling Point | 255-256 °C/740 mmHg (lit.) |
| Flash Point | 255-256°C |
| Water Solubility | Soluble in ethanol and ether. Slightly soluble in water. |
| Vapor Presure | 0.009mmHg at 25°C |
| Appearance | White crystal |
| Color | White |
| Maximum wavelength(λmax) | ['286nm(EtOH)(lit.)'] |
| BRN | 2043614 |
| pKa | 6.89±0.10(Predicted) |
| Storage Condition | room temp |
| Refractive Index | 1.5380 (estimate) |
| MDL | MFCD00002152 |
| Physical and Chemical Properties | Boiling Point: 255-256 (p = 740 torr) Melting Point: 54 - 57 |
Phenol, 2,6-dibromo- - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29081000 |
| Hazard Note | Irritant |
| Hazard Class | 6.1(b) |
| Packing Group | III |
Phenol, 2,6-dibromo- - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | 2, 6-dibromophanol is an endogenous metabolite. |
| Use | organic synthesis, preparation of 3,4, 5-trimethoxybenzaldehyde, etc. |
| production method | is obtained by sulfonation, Bromination and hydrolysis of phenol. 98% sulfuric acid was added dropwise to phenol at 44-50 ℃, heated to 100 ℃ for 3H, ice water was added to dissolve solid, then bromine was added dropwise at 20 ℃, and chlorine gas was introduced, after adding sodium bisulfite to react for 30min under stirring, filtering, the filter cake is tribromide, the filtrate is passed through superheated steam distillation, and the initial distillate (containing tribromide and one bromide) is discarded, the distillate was collected at an internal temperature of 155 ° C. Or higher, and crystals were precipitated by cooling to obtain a finished product. The yield was 80%. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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