1,2-dibromoethylene

Structural formula

Business number	05K8
Molecular formula	C2H2Br2
Molecular weight	185.85
label	Ethylene dibromide, 1,2-dibromoethylene, 1,2-ethyne dibromide, Acetylene dibromide, Acetylene dibromide, 1,2-Dibromethen

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:540-49-8

MDL number:MFCD00000184

EINECS number:208-747-6

RTECS number:KV7700000

BRN number:None

PubChem ID:None

Physical property data

1. Character: Undetermined

2. Density (g/ cm³,25/4℃):2.27

3. relative steam Density (g/cm³,air=1): Undetermined

4. Melting point (ºC): Undetermined

5. Boiling point (ºC,Normal pressure):107-110

6. Boiling point (ºC,8kPa): Undetermined

7. Refractive index:1.542

8. Flash point (ºF): Undetermined

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,55.1ºC): 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 the partition coefficient (water): Undetermined

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

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

19. Solubility:Undetermined

Toxicological data

Mutagenicity data: Microbial organismTESTSystematic mutation: Bacteria–Typhimurium Salmonella: 100ug/plate;

Ecological data

This substance may be harmful to the environment and water bodiesSpecial attention should be paid.

Molecular structure data

1. Molar refractive index: 26.83

2. Molar volume (m³/mol）：81.5

3. isotonic specific volume (90.2K):203.2

4. Surface Tension (dyne/cm):38.5

5. Polarizability（10^-24cm³):10.63

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.9

2. Hydrogen Bonding Number of donors: 0

3. Hydrogen Bonding Number of receptors: 0

4. Rotatable Number of chemical bonds: 0

5. Interchange Number of isomers:

6. Topological molecules Polar surface area (TPSA）：0

7. Number of heavy atoms:4

8. Surface charge ：0

9. Complexity ：19.2

10. Isotope atomic number:0

11. Determine the number of atomic stereocenters:0

12. Uncertain number of atomic stereocenters:0

13. Determine the number of stereocenters of chemical bonds:1

14, Uncertain number of stereocenters of chemical bonds:0

15. Number of covalent bond units: 1

Properties and stability

Use and store according to specifications, no decomposition will occur, and avoid contact with oxides

Storage method

Stored in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. The packaging is sealed. They should be stored separately from acids and food chemicals, and avoid mixed storage. Suitable materials should be available in the storage area to contain spills.

Synthesis method

None

Purpose

None