Methyl bromide
Also known as: Bromomethane, Monobromomethane, Embafume, Pestmaster, Terabol
Methyl bromide (CAS 74-83-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH3Br and a molecular weight of 94.93850 g/mol. Key properties include a melting point of −94 °C(lit.), a boiling point of 4 °C(lit.), a density of 3.3 g/mL at 25 °C(lit.) and a flash point of -34 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 74-83-9
- Jingsj CID
- J-35985-0
- Molecular Formula
- CH3Br
- Molecular Weight
- 94.93850 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −94 °C(lit.) |
|---|---|
| Boiling Point | 4 °C(lit.) |
| Density | 3.3 g/mL at 25 °C(lit.) |
| Flash Point | -34 °C |
| Exact Mass | 93.94180 |
| LogP | 1.01110 |
| Additional Property | 3.3 (20 °C, vs air) |
| Vapor Pressure | 1420 mm Hg ( 20 °C) |
| Refractive Index | 1.4432 |
| Additional Property | 1.522 g/100 mL |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H341 — Suspected of causing genetic defects
- H373 — May cause damage to organs through prolonged exposure
- H400 — Very toxic to aquatic life
- H420
Customs & Trade Information
| HS Code | 2903399020 |
|---|---|
| Summary | 2903399020 bromomethane。supervision conditions:14abxy。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl bromide?
The CAS number of Methyl bromide is 74-83-9.
What are the molecular formula and molecular weight of Methyl bromide?
Methyl bromide has molecular formula CH3Br and molecular weight 94.93850 g/mol.
Is Methyl bromide hazardous?
Methyl bromide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H332 — Harmful if inhaled.
What are the upstream and downstream products of Methyl bromide?
For Methyl bromide, Upstream Products: Trimethyl phosphate, m-Xylene, 1,2,4-TRIMETHYL BENZENE; Downstream Products: Tetradecamethylcycloheptasiloxane, Hexamethylcyclotrisiloxane, Octamethylcyclotetrasiloxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl bromide (CAS 74-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35985-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.