4-Chloro-1-butyne
4-Chloro-1-butyne
CAS: 51908-64-6
Molecular Formula: C4H5Cl
4-Chloro-1-butyne - Names and Identifiers
| Name | 4-Chloro-1-butyne |
| Synonyms | 4-chlorobut-1-yne 4-Chlorobut-1-yne 4-Chloro-1-butyne 1-butyne, 4-chloro- 1-Butyne, 4-chloro- (9CI) |
| CAS | 51908-64-6 |
| InChI | InChI=1/C4H5Cl/c1-2-3-4-5/h1H,3-4H2 |
4-Chloro-1-butyne - Physico-chemical Properties
| Molecular Formula | C4H5Cl |
| Molar Mass | 88.54 |
| Density | 0.986 |
| Boling Point | 96 ºC |
| Flash Point | 8 ºC |
| Vapor Presure | 49.6mmHg at 25°C |
| Refractive Index | 1.4376-1.4420 |
4-Chloro-1-butyne - Risk and Safety
| Risk Codes | R25 - Toxic if swallowed R43 - May cause sensitization by skin contact R41 - Risk of serious damage to eyes R22 - Harmful if swallowed |
| Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | UN 2811 6.1 / PGIII |
4-Chloro-1-butyne - Introduction
4-Chloro-1-butyne is an organic compound with the chemical formula C4H5Cl. The following is a description of the nature, use, preparation and safety information of 4-Chloro-1-butyne:
Nature:
1. Appearance: 4-Chloro-1-butyne is a colorless and transparent liquid.
2. Boiling point: The boiling point of this compound is 40-41°C.
3. Density: 4-Chloro-1-butyne has a density of 0.964g/cm³.
4. Stability: It is stable with oxygen, air and photogramme, but will react with strong oxidants.
Use:
1. Organic synthesis: 4-Chloro-1-butyne is an important organic synthesis intermediate, which can be used for the preparation of pesticides, pharmaceuticals and pigments.
2. Bonding agent: Due to its unique chemical structure, 4-Chloro-1-butyne can be used as a coordination group of organometallic compounds.
Preparation Method:
The preparation of 4-Chloro-1-butyne is mainly obtained by chlorination of 1-butyne. First, 1-butyne is reacted with chlorine gas to form 4-Chloro-1-butyne. The reaction conditions may be in the presence of light or in a reaction solvent.
Safety Information:
1. 4-Chloro-1-butyne is an organochlorine compound that may be toxic to humans. Contact with skin and inhalation may cause irritation, burns or other discomfort. Care should be taken to avoid direct touch or inhalation of its vapors.
2. When using or storing 4-Chloro-1-butyne, take appropriate safety measures, such as wearing protective gloves and protective glasses, and ensure a well-ventilated working environment.
3. When handling 4-Chloro-1-butyne, care should be taken to prevent it from coming into contact with flammable materials and oxidants to avoid fire or explosion.
4. When discarding 4-Chloro-1-butyne, follow local regulations and treat it as hazardous waste.
Nature:
1. Appearance: 4-Chloro-1-butyne is a colorless and transparent liquid.
2. Boiling point: The boiling point of this compound is 40-41°C.
3. Density: 4-Chloro-1-butyne has a density of 0.964g/cm³.
4. Stability: It is stable with oxygen, air and photogramme, but will react with strong oxidants.
Use:
1. Organic synthesis: 4-Chloro-1-butyne is an important organic synthesis intermediate, which can be used for the preparation of pesticides, pharmaceuticals and pigments.
2. Bonding agent: Due to its unique chemical structure, 4-Chloro-1-butyne can be used as a coordination group of organometallic compounds.
Preparation Method:
The preparation of 4-Chloro-1-butyne is mainly obtained by chlorination of 1-butyne. First, 1-butyne is reacted with chlorine gas to form 4-Chloro-1-butyne. The reaction conditions may be in the presence of light or in a reaction solvent.
Safety Information:
1. 4-Chloro-1-butyne is an organochlorine compound that may be toxic to humans. Contact with skin and inhalation may cause irritation, burns or other discomfort. Care should be taken to avoid direct touch or inhalation of its vapors.
2. When using or storing 4-Chloro-1-butyne, take appropriate safety measures, such as wearing protective gloves and protective glasses, and ensure a well-ventilated working environment.
3. When handling 4-Chloro-1-butyne, care should be taken to prevent it from coming into contact with flammable materials and oxidants to avoid fire or explosion.
4. When discarding 4-Chloro-1-butyne, follow local regulations and treat it as hazardous waste.
Last Update：2024-04-09 21:04:16
