Crotonyl chloride

Crotonyl chloride structural formula

Crotonyl chloride structural formula

Structural formula

Business number 06RX
Molecular formula C4H5ClO
Molecular weight 104.53

2-Butenoyl chloride,

trans-2-butenoyl chloride,

E)-2-Butenoyl chloride,

trans-Crotonyl chloride,


Numbering system

CAS number:625-35-4

MDL number:MFCD00000734

EINECS number:210-889-9

RTECS number:None

BRN number:506118

PubChem number:24847797

Physical property data

1. Characteristics: gray-yellow liquid.

2. Density (g/mL,25/4): 1.091

3. Relative vapor density (g/mL,air=1): Undetermined

4. Melting point (ºC):

5. Boiling point (ºC,Normal pressure): 121-123

6. Boiling point (ºC,5.2kPa): Undetermined

7. Refractive index: 1.459

8. Flash point (ºC): 35

9. Specific optical rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (kPa,25ºC): Undetermined

12. Saturated vapor pressure (kPa,60ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil and water (octanol/Log value of water) partition coefficient: Undetermined

17. Explosion limit (%,V/V): Undetermined

18. Lower explosion limit (%,V/V): Undetermined

19. Solubility: Reacts with water.

Toxicological data

None yet

Ecological data

For products that are slightly harmful to water, do not let large amounts of products come into contact with groundwater, waterways or sewage systems. Do not discharge materials into the surrounding environment without government permission.

Molecular structure data

1. Moore refraction Rate: 25.51

2. Molar Volume (cm3/mol):96.6

3. Isotonic specific volume ( 90.2K):222.0

4. Surface Tension (dyne/cm):27.8

5. Polarization Rate10-24cm3):10.11

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.6

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 17.1

7. Number of heavy atoms: 6

8. Surface charge: 0

9. Complexity: 75.6

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 1

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Keep away from oxides, heat, alkali, moisture, reactive metals.

Storage method

Store in a container filled with dry inert gas and placed in a cool, dry place. The storage area must be locked and the keys must be given to the technical experts and their assistants. refrigeration. Avoid moisture and moisture. Keep away from oxidants, water sources, strong alkalis, and heat.

Synthesis method

None yet


Intermediate of Youle San.

BDMAEE:Bis (2-Dimethylaminoethyl) Ether

CAS NO:3033-62-3

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