B

Bromomethane

IUPAC: bromomethane

CH3Br Organic Compounds CAS 74-83-9
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Quick Reference
Formula / NotationCH3Br
CAS Number74-83-9
Molecular Weight94.94
Melting Point-136 °F (EPA, 1998)
Boiling Point38.4 °F at 760 mmHg (EPA, 1998)
Density1.73 at 32 °F (EPA, 1998) - Denser than water; will sink
Solubility2 % (NIOSH, 2024)
AppearanceMethyl bromide appears as colorless highly toxic volatile liquid or a gas. Boiling point 3.56 °C (38.41 °F). Usually odorless, but has a sweetish chloroform-like odor at high concentrations. Used...
Also Known AsMETHYL BROMIDE; 74-83-9; Monobromomethane; Embafume; Terabol; methylbromide; Curafume; Metafume; Haltox; CH3Br
CategoryOrganic Compounds

What is Bromomethane?

Methyl Bromide, as a structural fumigant can cause developmental toxicity according to state or federal government labeling requirements.

Formula & Notation

CH3Br

IUPAC Name: bromomethane

Other Names / Synonyms: METHYL BROMIDE; 74-83-9; Monobromomethane; Embafume; Terabol; methylbromide; Curafume; Metafume; Haltox; CH3Br

Properties & Characteristics

Appearance: Methyl bromide appears as colorless highly toxic volatile liquid or a gas. Boiling point 3.56 °C (38.41 °F). Usually odorless, but has a sweetish chloroform-like odor at high concentrations. Used.... Molecular formula: CH3Br. Molecular weight: 94.94 g/mol. Boiling point: 38.4 °F at 760 mmHg (EPA, 1998). Melting point: -136 °F (EPA, 1998). Density: 1.73 at 32 °F (EPA, 1998) - Denser than water; will sink. Solubility: 2 % (NIOSH, 2024). Vapor pressure: 1420 mmHg at 68 °F (EPA, 1998). LogP: 1.

Physical Data

PropertyValue
Melting Point-136 °F (EPA, 1998)
Boiling Point38.4 °F at 760 mmHg (EPA, 1998)
Density1.73 at 32 °F (EPA, 1998) - Denser than water; will sink
Molecular Weight94.94
Solubility2 % (NIOSH, 2024)
AppearanceMethyl bromide appears as colorless highly toxic volatile liquid or a gas. Boiling point 3.56 °C (38.41 °F). Usually odorless, but has a sweetish chloroform-like odor at high concentrations. Used...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Bromomethane
Formula CH3Br
CAS Number 74-83-9
Molecular Weight 94.94
Synonyms METHYL BROMIDE; 74-83-9; Monobromomethane; Embafume; Terabol; methylbromide; Curafume; Metafume; Haltox; CH3Br

Frequently Asked Questions

Methyl Bromide, as a structural fumigant can cause developmental toxicity according to state or federal government labeling requirements.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.