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Bromoethane

Bromoethane
Bromoethane structure
CAS No.
74-96-4
Chemical Name:
Bromoethane
Synonyms
C2H5Br;F160B1;Bromethan;halon2001;Bromoethan;Halon 2001;nci-554813;NCI-C55481;Bromoetnane;bromo-ethan
CBNumber:
CB8408624
Molecular Formula:
C2H5Br
Formula Weight:
108.9651
MOL File:
74-96-4.mol

Bromoethane Properties

Melting point:
-119 °C
Boiling point:
37-40 °C(lit.)
Density 
1.46 g/mL at 25 °C(lit.)
vapor density 
~3.75 (vs air)
vapor pressure 
25.32 psi ( 55 °C)
refractive index 
n20/D 1.425(lit.)
Flash point:
-23 °C
storage temp. 
Refrigerator
solubility 
Miscible with ethanol, ether, chloroform and organic solvents.
form 
Liquid
color 
Clear colorless to slightly yellow
explosive limit
6.7-11.3%(V)
Water Solubility 
0.91 g/100 mL (20 ºC)
Sensitive 
Light Sensitive
Merck 
14,3771
BRN 
1209224
Exposure limits
TLV-TWA 200 ppm (~90 mg/m3) (ACGIH, MSHA, OSHA, and NIOSH); TLV STEL 250 ppm (~110 mg/m3) (ACGIH); IDLH 3500 ppm (NIOSH).
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.
CAS DataBase Reference
74-96-4(CAS DataBase Reference)
NIST Chemistry Reference
Ethane, bromo-(74-96-4)
EPA Substance Registry System
Ethane, bromo-(74-96-4)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  F,Xn
Risk Statements  11-20/22-40
Safety Statements  36/37
RIDADR  UN 1891 6.1/PG 2
WGK Germany  1
RTECS  KH6475000
8
Autoignition Temperature 952 °F
TSCA  Yes
HS Code  2903 39 19
HazardClass  6.1
PackingGroup  II
Hazardous Substances Data 74-96-4(Hazardous Substances Data)
Toxicity LC50 rats, mice (ppm): 27000, 16200 (Vernot)
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H420 Harms public health and the environment by destroying ozone in the upper atmosphere Hazardous to the ozone layer Category 1 Warning P502
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P307+P311 IF exposed: call a POISON CENTER or doctor/physician.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…
P502 Refer to manufacturer/supplier for information on recovery/recycling

NFPA 704

Diamond Hazard Value Description
1
0
Health  
Flammability   1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
Instability   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)
Special  

(NFPA, 2010)

Bromoethane price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 124052 Bromoethane reagent grade, 98% 74-96-4 500g $34.3 2018-11-20 Buy
Sigma-Aldrich 124052 Bromoethane reagent grade, 98% 74-96-4 1kg $60.8 2018-11-20 Buy
TCI Chemical B0588 Bromoethane >99.0%(GC) 74-96-4 25g $17 2018-11-22 Buy
TCI Chemical B0588 Bromoethane >99.0%(GC) 74-96-4 500g $27 2018-11-22 Buy
Alfa Aesar A12804 Bromoethane, 98% 74-96-4 500g $30.4 2018-11-13 Buy

Bromoethane Chemical Properties,Uses,Production

Chemical Properties

colourless liquid with an ether-like odour

Chemical Properties

Ethyl bromide is a colorless liquid (turns yellow on contact with air) with an ethereal odor and a burning taste. A gas above the boiling point.

Uses

Ethyl bromide is used as a refrigerant and asan ethylating agent. It was formerly used asa topical anesthetic.

Uses

Ethylating agent in organic synthesis; as refrigerant. Formerly used as a topical and inhalation anesthetic.

Definition

A colorless volatile compound, used as a refrigerant. It can be made from ethene and hydrogen bromide.

General Description

A colorless volatile liquid. Slightly soluble in water and denser than water. Flash point below 0°F. Vapors are heavier than air. Toxic by inhalation. Irritates skin and eyes. Used to make pharmaceuticals and as a solvent.

Air & Water Reactions

Highly flammable. Slightly soluble in water and denser than water. Turns yellow on exposure to air and light.

Reactivity Profile

Bromoethane will react with steam to produce toxic and corrosive fumes. Bromoethane can react vigorously with oxidizers. Bromoethane reacts with strong bases. Bromoethane also reacts with chemically active metals such as sodium, potassium, calcium, powdered aluminum, zinc and magnesium. Bromoethane will attack some forms of plastics, rubber and coatings.

Hazard

Toxic by ingestion, inhalation, and skin absorption; strong irritant. Questionable carcinogen. Flammable, dangerous fire hazard, explosion limits in air 6–11%.

Health Hazard

TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Inhalation or contact with some of these materials will irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Health Hazard

Ethyl bromide is a depressant of the centralnervous system, causing narcosis. The healthhazard is greater than with ethyl chloride.In addition to the narcotic effects that occurat exposure to high concentrations, othertoxic symptoms include irritation of the eyesand respiratory tract, pulmonary edema, fattydegeneration of the liver and renal tissue, anddamage to the liver, kidney, and intestine. A15-minute exposure to a 15% concentrationof vapor in air was lethal to rats. The oralLD50 value in rats is 1350 mg (NIOSH 1986).

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion and poison hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Safety Profile

Confirmed carcinogen. Moderately toxic by ingestion and intraperitoneal routes. Mddly toxic by inhalation. An eye and skin irritant. Physiologically, it is an anesthetic and narcotic. Its vapors are markedly irritating to the lungs on inhalation for even short periods. It can produce acute congestion and edema. Liver and ludney damage in humans has been reported. It is much less toxic than methyl bromide, but more toxic than ethyl chloride. It is a preparative hazard. Dangerously flammable by heat, open flame (sparks), oxidizers. Moderately explosive when exposed to flame. Reacts with water or steam to produce toxic and corrosive fumes. Vigorous reaction with oxidizing materials. To fight fire, use CO2, dry chemical. Ready decomposes when heated to emit toxic fumes of Br-. See also BROMIDES.

Potential Exposure

This chemical is used as an industrial chemical, pharmaceutical, and veterinary drug; as an ethylating agent in organic synthesis and gasoline; as a refrigerant; and as an extraction solvent. It has limited use as a local anesthetic

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.

Shipping

UN1891 Ethyl bromide, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Purification Methods

The main impurities are usually EtOH and water, both of which form azeotropes with it. Ethanol and unsaturated compounds can be removed by washing with conc H2SO4 until no further coloration is produced. The ethyl bromide is then washed with water, aqueous Na2CO3, and water again, then dried with CaCl2, MgSO4 or CaH2, and distilled from P2O5. Olefinic impurities can also be removed by storing the ethyl bromide in daylight with elemental bromine, later removing the free bromine by extraction with dilute aqueous Na2SO3, drying the ethyl bromide with CaCl2 and fractionally distilling it. Alternatively, unsaturated compounds can be removed by bubbling oxygen containing ca 5% ozone through the liquid for an hour, then washing with aqueous Na2SO3 to hydrolyse ozonides and remove hydrolysis products, followed by drying and distillation. [Beilstein 1 IV 150.]

Incompatibilities

May form explosive mixture with air. Hydrolyzes in water, forming hydrogen bromide (HBr). Oxidizers may cause fire or explosions. Fire and explosions may be caused by contact with chemically active metals: aluminum, magnesium or zinc powders; lithium, potassium, sodium. Attacks some plastic, rubber and coatings. Note: Chlorinating agents destroy nitrogen mustards. Dry chlorinated lime and chloramines with a high content of active chlorine, vigorously chlorinate nitrogen mustards to the carbon chain, giving low toxicity products. In the presence of water this interaction proceeds less actively. They are rapidly oxidized by peracids in aqueous solution at weakly alkaline pH. In acid solution the oxidation is much slower

Waste Disposal

Controlled incineration with adequate scrubbing and ash disposal facilities.

Bromoethane Preparation Products And Raw materials

Raw materials

Preparation Products


Bromoethane Suppliers

Global( 269)Suppliers
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View Lastest Price from Bromoethane manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-15 Bromoethane
74-96-4
US $1.00 / KG 1G 98% 100KG career henan chemical co

Bromoethane Spectrum


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