Basic information
- Name:
Bromoethane
- CAS No.:
74-96-4
- Molecular Structure:
- Formula:
- C2H5Br
- Synonyms:
- Etylu bromek [Polish];Bromoethane (ethyl bromide);Ethyl bromide [UN1891] [Poison];NCI-C55481;Hydrobromic ether;Etylu bromek;Bromure dethyle;ethylbromide;Ethane,bromo-;Monobromoethane;NCI-554813;Ethyl Bromide;Halon 2001;Bromic ether;
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Chemistry
Molecular structure of Bromoethane (CAS NO.74-96-4) is:
Product Name: Bromoethane
CAS Registry Number: 74-96-4
IUPAC Name: bromoethane
Molecular Weight: 108.9651 [g/mol]
Molecular Formula: C2H5Br
XLogP3-AA: 1.4
EINECS: 200-825-8
Surface Tension: 23.1 dyne/cm
Density: 1.458 g/cm3
Enthalpy of Vaporization: 27.04 kJ/mol
Boiling Point: 39.2 °C at 760 mmHg
Vapour Pressure: 455 mmHg at 25°C
Melting Point: -119 °C
Refractive index: n20/D 1.425(lit.)
Storage temp.: Refrigerator
Water Solubility: 0.91 g/100 mL (20 °C)
Sensitive: Light Sensitive
Stability: Stable. Highly flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with alkali metals, aluminium, magnesium, strong bases, water, strong oxidizing agents. May be light sensitive.
Product Categories: Pharmaceutical Intermediates;Intermediates;Organics;Alkyl Bromides;Monofunctional & alpha,omega-Bifunctional Alkanes;Monofunctional Alkanes
Uses
Bromoethane (CAS NO.74-96-4) can be used to make pharmaceuticals and as a solvent.
Production
The preparation of EtBr stands as a model for the synthesis of alkyl bromides in general. It is usually prepared by the addition of HBr to ethylene:
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Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LC50 | inhalation | 16230ppm/1H (16230ppm) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Aerospace Medical Research Laboratory Report. Vol. TR-72-62, Pg. 1972, |
| mouse | LD50 | intraperitoneal | 2850mg/kg (2850mg/kg) | Journal fuer Praktische Chemie. Vol. 320, Pg. 133, 1978. | |
| rat | LC50 | inhalation | 26980ppm/1H (26980ppm) | Aerospace Medical Research Laboratory Report. Vol. TR-72-62, Pg. 1972, | |
| rat | LD50 | intraperitoneal | 1750mg/kg (1750mg/kg) | Journal fuer Praktische Chemie. Vol. 320, Pg. 133, 1978. | |
| rat | LD50 | oral | 1350mg/kg (1350mg/kg) | "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 65, 1982. |
Consensus Reports
No epidemiological data relevant to the carcinogenicity of bromoethane were avlable.There is limited evidence in experimental animals for the carcinogenicity of bromoethane.Bromoethance is not classifiable as to its carcinogenicity to humans(Group 3).
Safety Profile
Safty information about Bromoethane (CAS NO.74-96-4) is:
Hazard Codes: 
F,
Xn
Risk Statements: 11-20/22-40
R11:Highly flammable.
R20/22:Harmful by inhalation and if swallowed.
R40:Limited evidence of a carcinogenic effect.
Safety Statements: 36/37
RIDADR: UN 1891 6.1/PG 2
WGK Germany: 1
RTECS: KH6475000
F: 8
HazardClass: 6.1
PackingGroup: II
Specification
Bromoethane , its cas register number is 74-96-4. It also can be called Ethyl bromide ; Bromic ether ; Bromure d'ethyle ; Ethane, bromo- ; Hydrobromic ether ; Monobromoethane .It is a colourless liquid with an ether-like odour.It slightly soluble in water and denser than water.It will react with steam to produce toxic and corrosive fumes. It can react vigorously with oxidizers. It reacts with strong bases. It also reacts with chemically active metals such as sodium, potassium, calcium, powdered aluminum, zinc and magnesium. It will attack some forms of plastics, rubber and coatings.
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