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Cyanogen bromide

Also known as: Bromine cyanide, Bromocyanide, Bromocyanogen, Cyanic bromide, Cyanogen bromide solution, carbononitridic bromide, Bromocyan, Bromocyane

Cyanogen bromide (CAS 506-68-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula CBrN and a molecular weight of 105.921 g/mol. Key properties include a melting point of 50-53 °C(lit.), a boiling point of 61.5±9.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of -9.0±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
506-68-3
Jingsj CID
J-47981-9
Molecular Formula
CBrN
Molecular Weight
105.921 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point50-53 °C(lit.)
Boiling Point61.5±9.0 °C at 760 mmHg
Density2.1±0.1 g/cm3
Flash Point-9.0±18.7 °C
Exact Mass104.921402
PSA23.79000
LogP0.85
Additional Property3.65 (vs air)
Vapor Pressure184.9±0.1 mmHg at 25°C
Refractive Index1.467

GHS Safety & Compliance

Corrosion / Acute Toxicity / Environmental HazardSignal word: Danger
  • H300
  • H310
  • H330 — Fatal if inhaled
  • H314 — Causes severe skin burns and eye damage
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2853009021

Frequently Asked Questions

What is the CAS number of Cyanogen bromide?

The CAS number of Cyanogen bromide is 506-68-3.

What are the molecular formula and molecular weight of Cyanogen bromide?

Cyanogen bromide has molecular formula CBrN and molecular weight 105.921 g/mol.

Is Cyanogen bromide hazardous?

Cyanogen bromide has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of Cyanogen bromide?

For Cyanogen bromide, Upstream Products: Hydrogen bromide, Water, Potassium thiocyanate; Downstream Products: Di(1H-imidazol-1-yl)methanimine, 5-Iodo-1H-benzimidazol-2-amine.

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

Last updated:

How to cite: Jingsj. "Cyanogen bromide (CAS 506-68-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47981-9 (accessed 2026-11-06).

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