4-BROMO-3,5-XYLENOL
4-Bromo-3,5-dimethylphenol
CAS: 7463-51-6
Molecular Formula: C8H9BrO
4-BROMO-3,5-XYLENOL - Names and Identifiers
| Name | 4-Bromo-3,5-dimethylphenol |
| Synonyms | 4-BROMO-3,5-XYLENOL 4-Bromo-3,5-xylenol 4-BROMO-3,5-DIMETHYLPHENOL 4-Bromo-3,5-dimethylphenol Phenol, 4-bromo-3,5-dimethyl- 4-bromo-3,5-dimethylphenol 4-Bromo-3,5-xylenol |
| CAS | 7463-51-6 |
| EINECS | 231-255-8 |
| InChI | InChI=1/C8H9BrO/c1-5-3-7(10)4-6(2)8(5)9/h3-4,10H,1-2H3 |
| InChIKey | WMUWDPLTTLJNPE-UHFFFAOYSA-N |
4-BROMO-3,5-XYLENOL - Physico-chemical Properties
| Molecular Formula | C8H9BrO |
| Molar Mass | 201.06 |
| Density | 1.3646 (rough estimate) |
| Melting Point | 113-115°C(lit.) |
| Boling Point | 195.33°C (rough estimate) |
| Flash Point | 115.4°C |
| Vapor Presure | 0.005mmHg at 25°C |
| Appearance | White solid |
| Color | Colorless to slightly pink |
| BRN | 2207127 |
| pKa | 9?+-.0.23(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5650 (estimate) |
| MDL | MFCD00002315 |
4-BROMO-3,5-XYLENOL - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| 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. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29081990 |
| Hazard Class | IRRITANT |
4-BROMO-3,5-XYLENOL - Reference Information
| introduction | 4-bromo -3, 5-xylenol is a common organic synthesis intermediate, and its appearance is white to off-white crystalline powder at normal temperature and pressure. 4-Bromo-3, 5-xylenol is soluble in most organic solvents, such as dimethyl sulfoxide, N,N-dimethylformamide, dichloromethane, ethyl acetate, etc., but in water The solubility is poor. |
| Uses | 4-bromo-3, 5-xylenol is a common organic synthesis intermediate. The main purpose is to use the bromine atom on the benzene ring to transform the molecular structure of the synthesis target. |
| synthesis method | dissolve 5-bromo -2-fluorobenzaldehyde in formic acid solution, add hydroxylamine hydrochloride to the solution, heat the reaction system in the air environment to a stable reflux state, maintain reflux for several hours, monitor the reaction progress with TLC point plate, and add ice-water mixture after the reaction, collect solid precipitation to obtain 4-bromo-3, 5-xylenol. |
| environmental hazards | 4-bromo -3, 5-xylenol, as a halogen-containing organic compound, is more harmful to the water environment. undiluted or a large number of products cannot be allowed to contact groundwater, waterways or sewage systems. |
Last Update：2024-04-10 22:29:15
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