Chloroethane CAS No.75-00-3
Pharmaceutical Materials 2025-03-19
Name: Chloroethane
Chemical Formula: C2H5Cl
Molecular Weight: 64.506 g/mol
CAS Number: 75-00-3
State: Liquid at room temperature (under standard conditions)
Color: Colorless
Odor: Mild, sweetish odor
Density: Approximately 0.96 g/mL at 20°C
Boiling Point: Approximately 12.3°C
Melting Point: Approximately -138.5°C
Solubility: Miscible with organic solvents, slightly soluble in water
Vapor Pressure: Varies with temperature; for example, it is approximately 145.85 kPa at 25°C
| Attribute | Details |
|---|---|
| Chemical Name | Chloroethane |
| CAS Number | 75-00-3 |
| Synonyms | Ethyl chloride; Aethylchlorid [German]; Monochloroethane; etc. (other synonyms listed in various languages) |
| Molecular Formula | C2H5Cl |
| Molecular Weight | 64.51 (or 64.52. depending on source) |
| Physical State | Gas at room temperature and pressure; low viscosity, volatile liquid at low temperatures or under compression |
| Odor | Similar to ethers |
| Melting Point | -138.7°C |
| Boiling Point | 12.3°C |
| Density | Liquid: 0.9214; Vapor: 2.22 (relative to air) |
| Solubility | Miscible with ether; soluble in ethanol (48.3g/100ml); slightly soluble in water (0.574g/100ml at 20°C) |
| Flash Point | -43°C (open cup); -50°C (closed cup) |
| Autoignition Point | 519°C |
| Explosive Limits | 3.16-15% (volume) in air |
| Stability | Stable in dry conditions; hydrolyzes to alcohol in presence of water and alkalis |
| Reactivity | Chlorine atom susceptible to substitution reactions; good thermal stability |
| Applications | Used as raw material for tetraethyllead, ethyl cellulose, and ethylcarbazole dyes; also used as smoke agents, refrigerants, local anesthetics, insecticides, ethylating agents, olefin polymerization solvents, gasoline antiknock agents, etc. |
| Production Methods | Mainly produced by hydrochlorination of ethylene; minor production by chlorination of ethane or reaction of ethanol with hydrochloric acid |
This table provides a concise overview of Chloroethane, including its basic chemical properties, physical state, reactivity, and various applications.


