Methyl bromide
Synonym(s):Methyl bromide
- CAS NO.：74-83-9
- Empirical Formula: CH3Br
- Molecular Weight: 94.94
- MDL number: MFCD00000166
- EINECS: 200-813-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-03-14 15:18:30
What is Methyl bromide ?
Description
Methyl bromide is a colorless liquid or gas with
practically no odor. It is a poisonous gas at
room temperature and atmospheric pressure. At
high concentrations, it has a chloroform-like
odor. Detection of lower concentrations is often
facilitated by a warning odorant, chloropicrin,
which is added by the manufacturer.
Methyl bromide is flammable only in the
range of 10 percent to 16 percent by volume in
air. Its physical properties do not meet the definition
of a flammable gas as defined by DOT
and TC. The onset of thermal decomposition
occurs at approximately 752°F (400°C).
The Uses of Methyl bromide
Methyl bromide is used as a fumigant forpest control, for degreasing wool, and as a methylating agent. Its use as a refrigerant andin fire extinguishers is restrained because ofits health hazards.
Properties of Methyl bromide
| Melting point: | −94 °C(lit.) |
| Boiling point: | 4 °C(lit.) |
| Density | 1.7 g/cm3 |
| Flash point: | -34 °C |
| storage temp. | 2-8°C |
| solubility | water: soluble |
| form | Colorless gas |
| Water Solubility | 1.522 g/100 mL |
Safety information for Methyl bromide
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H225:Flammable liquids H280:Gases under pressure H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H336:Specific target organ toxicity,single exposure; Narcotic effects H341:Germ cell mutagenicity H370:Specific target organ toxicity, single exposure H373:Specific target organ toxicity, repeated exposure H400:Hazardous to the aquatic environment, acute hazard H420:Hazardous to the ozone layer |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P281:Use personal protective equipment as required. P311:Call a POISON CENTER or doctor/physician. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P370+P378:In case of fire: Use … for extinction. P403+P235:Store in a well-ventilated place. Keep cool. |
Computed Descriptors for Methyl bromide
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