1,4-dichloro-2-methylbenzene
2,5-Dichlorotoluene
CAS: 19398-61-9
Molecular Formula: C7H6Cl2
1,4-dichloro-2-methylbenzene - Names and Identifiers
| Name | 2,5-Dichlorotoluene |
| Synonyms | NSC 86117 1,4-dichloro-2-methylbenzene Toluene, 2,5-dichloro- (8CI) Benzene, 1,4-dichloro-2-methyl- |
| CAS | 19398-61-9 |
| EINECS | 243-032-2 |
| InChI | InChI=1/C7H6Cl2/c1-5-4-6(8)2-3-7(5)9/h2-4H,1H3 |
1,4-dichloro-2-methylbenzene - Physico-chemical Properties
| Molecular Formula | C7H6Cl2 |
| Molar Mass | 161.029 |
| Density | 1.256 |
| Melting Point | 4-5° |
| Boling Point | 198-200° |
| Flash Point | 79.4°C |
| Vapor Presure | 0.533mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| Refractive Index | 1.543 |
1,4-dichloro-2-methylbenzene - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
1,4-dichloro-2-methylbenzene - Introduction
2,5-dichlorotoluene is an organic compound with the chemical formula C8H6Cl2. The following is a description of its nature, use, preparation and safety information:
Nature:
2,5-dichlorotoluene is a colorless liquid with a special aromatic taste. It has a melting point of 11-12°C and a boiling point of 214-216°C. It can be dissolved in many organic solvents, such as ethanol and acetone. In addition, it has a lower vapor pressure in air.
Use:
The main use of 2,5-dichlorotoluene is as an intermediate in organic synthesis reactions. It can be used to prepare chemicals such as pesticides, dyes, pharmaceuticals and rubber additives. In addition, it can also be used as a solvent, paint thinner and metal surface treatment agent.
Method:
2,5-dichlorotoluene can be prepared by chlorination of toluene. A common method is to use thionyl chloride as a catalyst and carry out the reaction at an appropriate temperature and pressure.
Safety Information:
2,5-dichlorotoluene has certain toxicity and irritation, so it is necessary to take appropriate protective measures during use. Wash immediately when in contact with skin, eyes or respiratory tract, avoid ingestion or inhalation. At the same time, it should be stored in a cool, dry, well-ventilated place, away from fire and oxidants.
Nature:
2,5-dichlorotoluene is a colorless liquid with a special aromatic taste. It has a melting point of 11-12°C and a boiling point of 214-216°C. It can be dissolved in many organic solvents, such as ethanol and acetone. In addition, it has a lower vapor pressure in air.
Use:
The main use of 2,5-dichlorotoluene is as an intermediate in organic synthesis reactions. It can be used to prepare chemicals such as pesticides, dyes, pharmaceuticals and rubber additives. In addition, it can also be used as a solvent, paint thinner and metal surface treatment agent.
Method:
2,5-dichlorotoluene can be prepared by chlorination of toluene. A common method is to use thionyl chloride as a catalyst and carry out the reaction at an appropriate temperature and pressure.
Safety Information:
2,5-dichlorotoluene has certain toxicity and irritation, so it is necessary to take appropriate protective measures during use. Wash immediately when in contact with skin, eyes or respiratory tract, avoid ingestion or inhalation. At the same time, it should be stored in a cool, dry, well-ventilated place, away from fire and oxidants.
Last Update：2024-04-09 21:11:58
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