104-81-4
p-Methylbenzyl bromide
CAS: 104-81-4
Molecular Formula: C8H9Br
104-81-4 - Names and Identifiers
104-81-4 - Physico-chemical Properties
| Molecular Formula | C8H9Br |
| Molar Mass | 185.06 |
| Density | 1,324 g/cm3 |
| Melting Point | 34-36°C(lit.) |
| Boling Point | 218-220°C(lit.) |
| Flash Point | 208°F |
| Water Solubility | practically insoluble |
| Vapor Presure | 0.132mmHg at 25°C |
| Appearance | White to off-white powder |
| Color | White to light yellow |
| Merck | 14,10090 |
| BRN | 507389 |
| Storage Condition | 2-8°C |
| Sensitive | Sensitive to light |
| Refractive Index | 1.5540 (estimate) |
| MDL | MFCD00000181 |
| Physical and Chemical Properties | Liquid or crystalline. Melting Point 36-37 ℃, boiling point 218-220 ℃(98.7kPa),113-115 ℃(2.27kPa), flash point 97 ℃. Soluble in acetone, ether. Volatile, easy hydrolysis. |
| Use | for organic synthesis. |
104-81-4 - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3417 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | CY9039300 |
| FLUKA BRAND F CODES | 8-19 |
| TSCA | Yes |
| HS Code | 29039990 |
| Hazard Class | 6.1 |
| Packing Group | II |
104-81-4 - Introduction
Easily soluble in acetone and ether, volatile and hydrolyzed.
Last Update：2022-10-16 17:11:40
104-81-4 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | for organic synthesis. |
| Production method | It is obtained by the reaction of p-xylene and bromine. Paraxylene was heated to 120 ℃, and bromine was added to stir the reaction under strong light. Bromohydroacid is removed after the reaction. The reaction product is dried and then distilled under reduced pressure to obtain 4-methyl bromide. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:46
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