|
Name
|
|
EINECS
|
N/A
|
|
CAS No.
|
557-91-5
|
Density
|
2.127g/cm3
|
|
PSA
|
0.00000
|
LogP
|
2.12220
|
|
Solubility
|
Insoluble in water
|
Melting Point
|
-63°C
|
|
Formula
|
C2H4 Br2
|
Boiling Point
|
104.7°Cat760mmHg
|
|
Molecular Weight
|
187.862
|
Flash Point
|
°C
|
|
Transport Information
|
N/A
|
Appearance
|
clear colourless to brownish liquid
|
|
Safety
|
Moderately toxic by rectal route. Mutation data reported. Violent reaction with magnesium. When heated to decomposition it emits toxic fumes of Br−. See also BROMIDES.
|
Risk Codes
|
R40; R20/21/22
|
|
Molecular Structure
|
|
Hazard Symbols
|
 Xn
|
|
Synonyms
|
1,1-Dibromoethane;Ethylidene dibromide
|
Article Data |
34
|
1,1-Dibromoethane Synthetic route
Conditions
| Conditions | Yield |
|---|
| With tetraethylammonium chloride In acetonitrile Ambient temperature; electrochemical conditions (Fe cathode); | A 55.9%
B n/a |
Conditions| Conditions | Yield |
|---|
| With chloroethane; bromine at 40 - 100℃; under 37 Torr; Irradiation; temperature dependence of the relative rate constants; | |
| With bromine at 170℃; | |
| With bromine at 198℃; unter Belichtung bei Abwesenheit von Eisen; | |
Conditions| Conditions | Yield |
|---|
| With hydrogen bromide | |
| With water; hydrogen bromide | |
| With hydrogen bromide; acetic acid | |
Conditions| Conditions | Yield |
|---|
| With magnesium hydrosilicate; hydrogen bromide | |
Conditions| Conditions | Yield |
|---|
| With aluminum tri-bromide | |
Conditions| Conditions | Yield |
|---|
| With phosphorus trichloride dibromide | |
Conditions| Conditions | Yield |
|---|
| With potassium hydroxide; platinum Electrolysis; | |
Conditions| Conditions | Yield |
|---|
| With phosphorus trichloride dibromide | |
1,1-Dibromoethane Chemical Properties
Product Name: 1,1-Dibromoethane
CAS Registry Number: 557-91-5
Synonyms: 1,1-Dibromoethane ; CCRIS 8552 ; EINECS 209-184-9 ; Ethylidene bromide ; Ethylidene dibromide ; HSDB 7382
Systematic Name: 1,1-Dibromoethane ; Ethane, 1,1-dibromo-
IUPAC Name: 1,1-dibromoethane
Molecular Weight: 187.86116 [g/mol]
Molecular Formula: C2H4Br2
XLogP3-AA: 2.3
EINECS: 209-184-9
Surface Tension: 34.1 dyne/cm
Density: 2.127 g/cm3
Enthalpy of Vaporization: 32.95 kJ/mol
Boiling Point: 104.7 °C at 760 mmHg
Vapour Pressure: 35.4 mmHg at 25°C
Refractive Index: 1.509-1.512
Following is the molecular structure of 1,1-Dibromoethane (CAS NO.557-91-5) is:
1,1-Dibromoethane Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
| rabbit | LDLo | rectal | 1250mg/kg (1250mg/kg) | | Journal of Pharmacology and Experimental Therapeutics. Vol. 34, Pg. 223, 1928. |
1,1-Dibromoethane Consensus Reports
Reported in EPA TSCA Inventory.
1,1-Dibromoethane Safety Profile
Moderately toxic by rectal route. Mutation data reported. Violent reaction with magnesium. When heated to decomposition it emits toxic fumes of Br−. See also BROMIDES.
Safty information about 1,1-Dibromoethane (CAS NO.557-91-5) is:
Hazard Codes:
Xn
Risk Statements:
R40:Limited evidence of a carcinogenic effect.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements:
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37:Wear suitable protective clothing and gloves.
RIDADR: 2810
RTECS: KH9000000
HazardClass: 6.1(b)
PackingGroup: III
1,1-Dibromoethane Specification
1,1-Dibromoethane (CAS NO.557-91-5) is a clear colourless to brownish liquid.
First Aid Measures about it:
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Get medical aid. Wash mouth out with water.
Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Handling and Storage about it:
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Storage: Store in a cool, dry place. Store in a tightly closed container.
