5-Bromo-2-methylphenol
5-Bromo-2-methylphenol
CAS: 36138-76-8
Molecular Formula: C7H7BrO
5-Bromo-2-methylphenol - Names and Identifiers
| Name | 5-Bromo-2-methylphenol |
| Synonyms | 5-Bromo-2-methylphenol Phenol,5-bromo-2-methyl- Phenol, 5-bromo-2-methyl- 4-Bromo-2-hydroxytoluene, 5-Bromo-o-cresol |
| CAS | 36138-76-8 |
| EINECS | 639-342-6 |
| InChI | InChI=1/C7H7BrO/c1-5-2-3-6(8)4-7(5)9/h2-4,9H,1H3 |
5-Bromo-2-methylphenol - Physico-chemical Properties
| Molecular Formula | C7H7BrO |
| Molar Mass | 187.03 |
| Density | 1.554±0.06 g/cm3(Predicted) |
| Melting Point | 75-80 °C |
| Boling Point | 144-146 °C(Press: 1.1 Torr) |
| Flash Point | 100.1°C |
| Vapor Presure | 0.0226mmHg at 25°C |
| pKa | 9.35±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.59 |
| MDL | MFCD08061906 |
5-Bromo-2-methylphenol - 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 1 |
| HS Code | 29081990 |
| Hazard Class | IRRITANT |
5-Bromo-2-methylphenol - Introduction
5-Bromo-2-methylphenol is an organic compound with the chemical formula C7H7BrO. The following is a description of its nature, use, preparation and safety information:
Nature:
1. Appearance: The common form of 5-Bromo-2-methylphenol is white to light yellow crystal.
2. Melting point: about 59-62°C, that is, it will start to melt in this temperature range.
3. Boiling point: Vaporization starts at about 290°C.
4. Solubility: It is soluble in anhydrous organic solvents such as ethanol, acetone and ether, insoluble in water.
Use:
1. 5-Bromo-2-methylphenol can be used as an important intermediate in organic synthesis.
2. It can also be used to prepare dyes, drugs and plant growth regulators and other compounds.
Preparation Method:
A commonly used preparation method is to react 2-methylphenol with bromine under acidic conditions to generate 5-Bromo-2-methylphenol. The specific step is to react 2-methylphenol with hydrobromic acid under the catalysis of sulfuric acid to obtain the target product.
Safety Information:
1. 5-Bromo-2-methylphenol has certain irritation and corrosiveness. Contact with skin and eyes should be avoided, and protective gloves and goggles should be worn when necessary.
2. should be operated in a well-ventilated place to avoid inhalation of its vapor.
3. to be stored in a closed container, away from the fire and oxidant.
4. Pay attention to the safe operation of chemicals during use and storage.
Nature:
1. Appearance: The common form of 5-Bromo-2-methylphenol is white to light yellow crystal.
2. Melting point: about 59-62°C, that is, it will start to melt in this temperature range.
3. Boiling point: Vaporization starts at about 290°C.
4. Solubility: It is soluble in anhydrous organic solvents such as ethanol, acetone and ether, insoluble in water.
Use:
1. 5-Bromo-2-methylphenol can be used as an important intermediate in organic synthesis.
2. It can also be used to prepare dyes, drugs and plant growth regulators and other compounds.
Preparation Method:
A commonly used preparation method is to react 2-methylphenol with bromine under acidic conditions to generate 5-Bromo-2-methylphenol. The specific step is to react 2-methylphenol with hydrobromic acid under the catalysis of sulfuric acid to obtain the target product.
Safety Information:
1. 5-Bromo-2-methylphenol has certain irritation and corrosiveness. Contact with skin and eyes should be avoided, and protective gloves and goggles should be worn when necessary.
2. should be operated in a well-ventilated place to avoid inhalation of its vapor.
3. to be stored in a closed container, away from the fire and oxidant.
4. Pay attention to the safe operation of chemicals during use and storage.
Last Update：2024-04-09 02:00:45
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CAS: 36138-76-8
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