1476-11-5 - Names and Identifiers
Name | cis-1,4-Dichloro-2-butene
|
Synonyms | 4-dichloro-cis-2-buten 4-dichloro-(z)-2-buten (Z)-1,4-Dichlorobutene 1,4-Dichlor-2-butencis 1,4-dichloro-cis-2-butene cis-1,4-Dichloro-2-butene (Z)-1,4-Dichloro-2-butene 2-Butene,1,4-dichloro-,(Z)- cis-1,4-Dichloro-2-Butylene 2-Butene,1,4-dichloro-,(2Z)-
|
CAS | 1476-11-5
|
EINECS | 216-021-5 |
InChI | InChI=1/C4H6Cl2/c5-3-1-2-4-6/h1-2H,3-4H2/b2-1- |
1476-11-5 - Physico-chemical Properties
Molecular Formula | C4H6Cl2
|
Molar Mass | 124.99644 |
Density | 1.188 |
Melting Point | -48℃ |
Boling Point | 152℃ |
Flash Point | 56℃ |
Refractive Index | 1.4884 |
1476-11-5 - Risk and Safety
Hazard Symbols | T+ - Very toxic
 N - Dangerous for the environment

|
Risk Codes | R45 - May cause cancer
R26 - Very Toxic by inhalation
R34 - Causes burns
R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
|
Safety Description | S53 - Avoid exposure - obtain special instructions before use.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28 - After contact with skin, wash immediately with plenty of soap-suds.
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.)
S60 - This material and its container must be disposed of as hazardous waste.
S61 - Avoid release to the environment. Refer to special instructions / safety data sheets.
|
UN IDs | UN 3390 |
1476-11-5 - Introduction
cis-1,4-Dichloro-2-butene, also known as 1,4-dichlorobutadiene or 1,4-dichlorobutene, is an organic compound. Its chemical formula is ClCH2CH2CH = CHCl. In the structure, two chlorine atoms are connected to carbons 1 and 4 of a butene molecule. The alkenyl group of butene is in the same plane as the chlorine atom, hence the name CIS.
The following is some information on the properties, uses, preparation and safety of cis-1,4-Dichloro-2-butene:
Nature:
-Appearance: colorless liquid
-Density: 1.19g/cm³
-Melting point:-51 ° C
-Boiling point: 139-141 ° C
-Solubility: Soluble in organic solvents such as alcohols, ethers and aromatic hydrocarbons, difficult to dissolve in water
-Stability to air and light: Easy to decompose under light, and also decompose when heated
Use:
- cis-1,4-Dichloro-2-butene can be used as an important intermediate in organic synthesis and used in the synthesis of other organic compounds
-It can be used in polymerization reactions in polymer materials to prepare polymers and copolymers
-Can also be used as a solvent for maintenance and cleaning of equipment and surface coating
Method:
- cis-1, the common preparation method of 4-Dichloro-2-butene is obtained by chlorination of 1,4-butadiene. The chlorination reaction can be carried out using chlorine gas or metal chloride with 1,4-butadiene under appropriate conditions.
-It is also possible to react 1,4-butadiene with hydrogen chloride in the presence of a catalyst through a chlorination reaction to obtain cis-1,4-Dichloro-2-butene.
Safety Information:
- cis-1,4-Dichloro-2-butene is an organochlorine compound, which has certain toxicity and irritating effect on skin, eyes and mucous membranes. Contact to avoid direct contact between the skin and eyes, and do a good job of adequate ventilation.
-During handling and storage, safe practices should be followed and appropriate protective clothing, gloves, glasses and other personal protective equipment should be worn.
-When disposing of waste, relevant laws and regulations should be followed, and it should not be discharged into the environment at will, and safe treatment and disposal should be carried out.
Last Update:2024-04-10 22:29:15