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Bromomethane-13C

Also known as: BROMOMETHANE-13C, METHYL-13C BROMIDE, Methyl bromide - (13) C, BROMOMETHANE-(13)C, 99 (ATOM % (13)C), Methyl-13C bromide

Bromomethane-13C (CAS 51624-21-6) 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 95.93120 g/mol. Key properties include a melting point of -94ºC(lit.), a boiling point of 4ºC(lit.) and a density of 1.73 g/mL at 0ºC(lit.). It is classified under GHS with signal word Danger and hazard statements H280, H301 — Toxic if swallowed and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
51624-21-6
Jingsj CID
J-25821-9
Molecular Formula
CH3Br
Molecular Weight
95.93120 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Melting Point-94ºC(lit.)
Boiling Point4ºC(lit.)
Density1.73 g/mL at 0ºC(lit.)
Exact Mass94.94520
LogP1.01110
Appearancecylinder (incl. valve, net weight ~2 g)
Additional Property3.3 (20 °C, vs air)
Vapor Pressure1420 mm Hg ( 20 °C)

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H280
  • H301 — Toxic if swallowed
  • H331 — Toxic if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H341 — Suspected of causing genetic defects
  • H373 — May cause damage to organs through prolonged exposure
  • H400 — Very toxic to aquatic life
  • H420

Frequently Asked Questions

What is the CAS number of Bromomethane-13C?

The CAS number of Bromomethane-13C is 51624-21-6.

What are the molecular formula and molecular weight of Bromomethane-13C?

Bromomethane-13C has molecular formula CH3Br and molecular weight 95.93120 g/mol.

Is Bromomethane-13C hazardous?

Bromomethane-13C has GHS signal word Danger and hazard statements H280; H301 — Toxic if swallowed; H331 — Toxic if inhaled.

What are the upstream and downstream products of Bromomethane-13C?

For Bromomethane-13C, Downstream Products: Iodomethane-13C.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Bromomethane-13C (CAS 51624-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25821-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.