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| CAS No.: | 75-27-4 |
|---|---|
| Name: | Bromod ich loromethane |
| Molecular Structure: | |
|
|
|
| Formula: | CH Br Cl2 |
| Molecular Weight: | 163.829 |
| Synonyms: | Bromodichloromethane;Dichlorobromomethane; Dichloromonobromomethane; Monobromodichloromethane; NSC8018 |
| EINECS: | 200-856-7 |
| Density: | 1.98 g/mL at 25 °C(lit.) |
| Melting Point: | ?55 °C(lit.) |
| Boiling Point: | 87 °C(lit.) |
| Flash Point: | 1.3 °C |
| Appearance: | 2810 |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-37/38-40-41 |
| Safety: | Confirmed carcinogen with experimental carcinogenic data. Moderately toxic by ingestion. Human mutation data reported. When heated to decomposition it emits very toxic fumes of Br− and Cl−. See also CHLORINATED HYDROCARBONS, ALIPHATIC; and BROMIDES. |
| PSA: | 0.00000 |
| LogP: | 2.14250 |
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- 463-82-1
2,2-dimethylpropane
A
- 3437-29-4
3,3-dimethylpyrrolidine-2,5-dione
B
- 75-27-4
bromodichloromethane
C
- 630-17-1
2,2-dimethylpropyl bromide
D
- 82621-87-2
3-bromo-3-methylbutanoyl isocyanate
| Conditions | Yield |
|---|---|
| With ethene; dichloromethane; 22DMNBS; bromine at 12℃; for 30h; Irradiation; Further byproducts given. Yields of byproduct given; | A 67.7% B 32.3% C 45.2% D n/a |
| Conditions | Yield |
|---|---|
| With potassium hydroxide; sodium bromide; 18-crown-6 ether In water at 0℃; for 48h; | 38% |
| With aluminium trichloride; hydrogen bromide | |
| With aluminum tri-bromide; hydrogen bromide | |
| With hydrogen bromide; aluminium |
| Conditions | Yield |
|---|---|
| With aluminium trichloride at 20 - 25℃; |
- 34557-54-5
methane
- 75-27-4
bromodichloromethane
| Conditions | Yield |
|---|---|
| With sulfur trioxide; sodium bromide; sodium chloride at 600 - 700℃; |
| Conditions | Yield |
|---|---|
| With bromine at 220℃; | |
| With N-Bromosuccinimide; bromine at 14 - 15℃; | 0.50 mmol |
| With N-Bromosuccinimide at 15℃; Irradiation; competitive brominaton reactions with neopentane; further brominating systems (NBS-Br2; NBS-DCE); |
| Conditions | Yield |
|---|---|
| With aluminium trichloride | |
| at 135℃; | |
| With sodium hydroxide In various solvent(s) Mechanism; Ambient temperature; effects of additives: p-dinitrobenzene and di-tert-butyl nitroxide; | |
| With aluminium trichloride beim Erhitzen auf Siedetemperatur; | |
| at 135℃; unter CO2-Druck; |
- 130292-39-6
2-bromo-2,2-dichloro-ethane-1,1-diol
- 75-27-4
bromodichloromethane
| Conditions | Yield |
|---|---|
| With potassium hydroxide |
| Conditions | Yield |
|---|---|
| With hypobromite |
- 463-82-1
2,2-dimethylpropane
- 82621-77-0
2,2-dimethyl-N-bromosuccinimide
A
- 3437-29-4
3,3-dimethylpyrrolidine-2,5-dione
B
- 75-27-4
bromodichloromethane
C
- 630-17-1
2,2-dimethylpropyl bromide
D
- 82621-87-2
3-bromo-3-methylbutanoyl isocyanate
| Conditions | Yield |
|---|---|
| With ethene; dichloromethane; bromine at 12℃; for 0.333333h; Irradiation; various molar ratios of educts; neopentane/methylene chloride competition with 2,2-dimethylsuccinimidyl radical; mechanism; |
| Conditions | Yield |
|---|---|
| With N-Bromosuccinimide at 15℃; Irradiation; competition reaction with neopentane; relative rate constants for mediated brominations; additives - Br2, BrCCl3, CH2CCl2; |
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Chemistry
Bromodichloromethane ,its CAS register number is 75-27-4,it's called for Bdcm ; Bromdichlormethan ; Bromodichloro-methan ; Bromodichoromethane ; CHBrCl2 ; Dichloromonobromomethane ; Methane,bromodichloro- ; Monobromodichloromethane ; Bromo(dichloro)methane ,and so on. Bromodichloromethane (CAS No.75-27-4) is commonly clear colorless to yellowish liquid.
IUPAC Name: Bromo(dichloro)methane
CAS: 75-27-4
Molecular Formula: CHBrCl2
Molecular Weight: 163.83
molecular structure:
EINECS: 200-856-7
Melting point: −55 °C(lit.)
Storage temp.: 0-6°C
Merck: 14,1417
BRN: 1697005
ACD/LogD (pH 5.5): 2.02
ACD/LogD (pH 7.4): 2.02
ACD/BCF (pH 5.5): 20.23
ACD/BCF (pH 7.4): 20.23
ACD/KOC (pH 5.5): 299.54
ACD/KOC (pH 7.4): 299.54
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Index of Refraction: 1.503
Molar Refractivity: 24.07 cm3
Molar Volume: 81.3 cm3
Polarizability: 9.54 10-24cm3
Surface Tension: 35.3 dyne/cm
Density: 2.013 g/cm3
Flash Point: 1.3 °C
Enthalpy of Vaporization: 31.61 kJ/mol
Boiling Point: 89.7 °C at 760 mmHg
Vapour Pressure: 65.3 mmHg at 25°C
Uses
1. Bromodichloromethane (CAS No.75-27-4) is commonly used as standard reagent for analysis.
2. Bromodichloromethane (CAS No.75-27-4) has been formerly used as a flame retardant, solvent for fats and waxes.
3. Now Bromodichloromethane (CAS No.75-27-4) is used as a reagent or intermediate in organic chemistry.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 450mg/kg (450mg/kg) | BRAIN AND COVERINGS: "CHANGES IN CIRCULATION (HEMORRHAGE, THROMBOSIS, ETC.)" LIVER: FATTY LIVER DEGERATION BLOOD: HEMORRHAGE | Toxicology and Applied Pharmacology. Vol. 44, Pg. 213, 1978. |
| rat | LD50 | oral | 430mg/kg (430mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: TREMOR LIVER: OTHER CHANGES | Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989. |
RTECS: PA5310000
Consensus Reports
NTP 10th Report on Carcinogens. NTP Carcinogenesis Studies (gavage); Clear Evidence: rat, mouse NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-321 (1987). . EPA Genetic Toxicology Program. Community Right-To-Know List. Reported in EPA TSCA Inventory.
Safety Profile
Confirmed carcinogen with experimental carcinogenic data. Moderately toxic by ingestion. Human mutation data reported. When heated to decomposition it emits very toxic fumes of Br− and Cl−.
Hazard Codes: Xn,T,F .gif){kind=small}
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Risk Statements: 22-37/38-40-41-39/23/24/25-23/24/25-11 (R22:Harmful if swallowed. R37/38:Irritating to respiratory system and skin. R40:Limited evidence of a carcinogenic effect. R41:Risk of serious damage to the eyes. R39:Danger of very serious irreversible effects. R23/24/25:Toxic by inhalation, in contact with skin and if swallowed. R11:Highly flammable.)
Safety Statements: 26-36/39-45-36/37-16-36/37/39 (S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.S36:Wear suitable protective clothing. 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. S16:Keep away from sources of ignition. S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.)
RIDADR: 2810
WGK Germany: 3
F: 8
HazardClass: 6.1
PackingGroup: III
Specification
Removal in wastewater treatment of Bromodichloromethane (CAS No.75-27-4) can be stated as follows:
Total removal:46.99 percent
Total biodegradation:0.06 percent
Total sludge adsorption:1.38 percent
Total to Air:45.55 percent
(using 10000 hr Bio P,A,S)