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ChemicalBook >> CAS DataBase List >> Methyl bromide

Methyl bromide

Methyl bromide  price.
  • $33.8 - $595
  • Product name: Methyl bromide
  • CAS: 74-83-9
  • MF: CH3Br
  • MW: 94.94
  • EINECS:200-813-2
  • MDL Number:MFCD00000166
  • Synonyms:caswellno555 ;Curafume;Dawson 100;dawson100 ;Detia gas ex-M;detiagasex-m ;Dowfume;Dowfume mc-2
5 prices
Selected condition:
Brand
  • Sigma-Aldrich
  • SynQuest Laboratories
Package
  • 1ML
  • 5G
  • 25g
  • 100g
  • 250g
  • ManufacturerSigma-Aldrich
  • Product number48624
  • Product descriptionBromomethane solution certified reference material, 200?μg/mL in methanol
  • Packaging1ML
  • Price$33.8
  • Updated2026-04-30
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number1100-9-01
  • Product descriptionBromomethane 98%
  • Packaging100g
  • Price$295
  • Updated2026-05-22
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number1100-9-01
  • Product descriptionBromomethane 99.0%
  • Packaging5G
  • Price$430
  • Updated2021-12-16
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number1100-9-01
  • Product descriptionBromomethane 99.0%
  • Packaging25g
  • Price$470
  • Updated2021-12-16
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number1100-9-01
  • Product descriptionBromomethane 98%
  • Packaging250g
  • Price$595
  • Updated2026-05-22
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Sigma-Aldrich 48624 Bromomethane solution certified reference material, 200?μg/mL in methanol 1ML $33.8 2026-04-30 Buy
SynQuest Laboratories 1100-9-01 Bromomethane 98% 100g $295 2026-05-22 Buy
SynQuest Laboratories 1100-9-01 Bromomethane 99.0% 5G $430 2021-12-16 Buy
SynQuest Laboratories 1100-9-01 Bromomethane 99.0% 25g $470 2021-12-16 Buy
SynQuest Laboratories 1100-9-01 Bromomethane 98% 250g $595 2026-05-22 Buy

Properties

Melting point :−94 °C(lit.)
Boiling point :4 °C(lit.)
Density :1.7 g/cm3
vapor density :3.3 (20 °C, vs air)
vapor pressure :1420 mm Hg ( 20 °C)
refractive index :1.4432
Flash point :-34 °C
storage temp. :2-8°C
solubility :water: soluble
form :Colorless gas
explosive limit :~16%
Water Solubility :1.522 g/100 mL
Specific Heat Capacity :Cp(gas): 0.45 J/(g·K), at 25℃
Merck :13,6056
Henry's Law Constant :0.72 at 21 °C (Gan and Yates, 1996)
Dielectric constant :9.8(0℃)
Exposure limits :ACGIH TLV-TWA:1 ppm (3.89 mg/m3)
OSHA PEL-Ceiling:20 ppm (80 mg/m³)
NIOSH IDLH:250 ppm Stability :Stable. Incompatible with oxidizing agents, strong acids. This is an ozone-depleting chemical, and its use is restricted in many countries.
LogP :1.190
CAS DataBase Reference :74-83-9(CAS DataBase Reference)
IARC :3 (Vol. 41, Sup 7, 71) 1999
NIST Chemistry Reference :Methyl bromide(74-83-9)
EPA Substance Registry System :Methyl bromide (74-83-9)

Safety Information

Symbol(GHS): Skull and Crossbones (GHS06)Health Hazard (GHS08)Environment (GHS09)Flame (GHS02)Exclamation Mark (GHS07)
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
H280 Contains gas under pressure; may explode if heated Gases under pressure Compressed gas
Liquefied gas
Dissolved gas
Warning P410+P403
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
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
H341 Suspected of causing genetic defects Germ cell mutagenicity 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
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, 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:
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.
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.
P311 Call a POISON CENTER or doctor/physician.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.

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).

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