NSC 139879
3,4-Dibromotoluene
CAS: 60956-23-2;2943-34-2
Molecular Formula: C7H6Br2
NSC 139879 - Names and Identifiers
| Name | 3,4-Dibromotoluene |
| Synonyms | NSC 139879 3,4-DIBROMOTOLUENE 3,4-Dibromotoluene 3,4-Second Bromotoluene 1,2-Dibromo-4-methylbenzene 1,2-DIBROMO-4-METHYLBENZENE Benzene,1,2-dibromo-4-methyl- benzene, 1,2-dibromo-4-methyl- |
| CAS | 60956-23-2 2943-34-2 |
| EINECS | 612-055-3 |
| InChI | InChI=1/C7H6Br2/c1-5-2-3-6(8)7(9)4-5/h2-4H,1H3 |
NSC 139879 - Physico-chemical Properties
| Molecular Formula | C7H6Br2 |
| Molar Mass | 249.93 |
| Density | 1.807 g/mL at 25 °C |
| Melting Point | -10 °C |
| Boling Point | 91-92 °C (3 mmHg) |
| Flash Point | 91-92°C/3mm |
| Water Solubility | Not miscible or difficult to mix with water. |
| Vapor Presure | 0.0343mmHg at 25°C |
| Appearance | clear liquid |
| Specific Gravity | 1.85 |
| Color | Colorless to Light yellow |
| BRN | 1931706 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5985-1.6005 |
| MDL | MFCD00079744 |
NSC 139879 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 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. |
| WGK Germany | 3 |
| HS Code | 29039990 |
| Hazard Class | IRRITANT |
NSC 139879 - Introduction
3,4-Dibromotoluene is an organic compound with the formula C7H6Br2. The following is a description of the nature, use, preparation and safety information of 3,4-Dibromotoluene:
Nature:
1. Appearance: 3,4-Dibromotoluene is a colorless to pale yellow liquid.
2. melting point:-6 ℃
3. Boiling point: 218-220 ℃
4. Density: about 1.79 g/mL
5. Solubility: 3,4-Dibromotoluene is soluble in organic solvents, such as ethanol, acetone and dimethylformamide.
Use:
1. as an intermediate in organic synthesis: 3,4-Dibromotoluene can be used as an intermediate in the synthesis of other compounds, such as for the preparation of drugs, dyes and pesticides.
2. As an antibacterial agent: 3,4-Dibromotoluene can be used as a compound that inhibits the growth of bacteria and is widely used in the field of preservatives and fungicides.
Preparation Method:
The preparation method of 3,4-Dibromotoluene can usually be completed by the reaction of 3,4-dinitrotoluene with sodium tellurite or by the reaction of 3,4-diiodotoluene with zinc.
Safety Information:
1.3, 4-Dibromotoluene is an irritant compound, avoid contact with skin and eyes.
2. during operation, good ventilation measures should be taken to avoid inhalation of steam.
3. If accidentally inhaled or ingested, seek medical help immediately.
4. When storing, it should be kept in a dry, low temperature, well ventilated and away from fire.
Nature:
1. Appearance: 3,4-Dibromotoluene is a colorless to pale yellow liquid.
2. melting point:-6 ℃
3. Boiling point: 218-220 ℃
4. Density: about 1.79 g/mL
5. Solubility: 3,4-Dibromotoluene is soluble in organic solvents, such as ethanol, acetone and dimethylformamide.
Use:
1. as an intermediate in organic synthesis: 3,4-Dibromotoluene can be used as an intermediate in the synthesis of other compounds, such as for the preparation of drugs, dyes and pesticides.
2. As an antibacterial agent: 3,4-Dibromotoluene can be used as a compound that inhibits the growth of bacteria and is widely used in the field of preservatives and fungicides.
Preparation Method:
The preparation method of 3,4-Dibromotoluene can usually be completed by the reaction of 3,4-dinitrotoluene with sodium tellurite or by the reaction of 3,4-diiodotoluene with zinc.
Safety Information:
1.3, 4-Dibromotoluene is an irritant compound, avoid contact with skin and eyes.
2. during operation, good ventilation measures should be taken to avoid inhalation of steam.
3. If accidentally inhaled or ingested, seek medical help immediately.
4. When storing, it should be kept in a dry, low temperature, well ventilated and away from fire.
Last Update：2024-04-09 15:17:58
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