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1,1,2,2-Tetrabromoethane

Also known as: sym-Tetrabromoethane, Acetylene tetrabromide, Muthmanns liquid, Ethanetetrabromide, s-Tetrabromoethane, 1,1,2,2-Tetrabromethan, 1,1,2,2-Tetrabromoetano, Tetrabromoacetylene, MFCD00000133, EINECS 201-191-5

1,1,2,2-Tetrabromoethane (CAS 79-27-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H2Br4 and a molecular weight of 345.653 g/mol. Key properties include a melting point of 1 °C, a boiling point of 243.5±0.0 °C at 760 mmHg, a density of 3.0±0.1 g/cm3 and a flash point of 97.0±13.2 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
79-27-6
Jingsj CID
J-3530-1
Molecular Formula
C2H2Br4
Molecular Weight
345.653 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point1 °C
Boiling Point243.5±0.0 °C at 760 mmHg
Density3.0±0.1 g/cm3
Flash Point97.0±13.2 °C
Exact Mass341.688965
LogP4.12
Additional Property11.9 (vs air)
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.654
Additional Property0.63 g/L (20 ºC)

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H330 — Fatal if inhaled
  • H412 — Harmful to aquatic life with long lasting effects

Customs & Trade Information

HS Code29033036

Frequently Asked Questions

What is the CAS number of 1,1,2,2-Tetrabromoethane?

The CAS number of 1,1,2,2-Tetrabromoethane is 79-27-6.

What are the molecular formula and molecular weight of 1,1,2,2-Tetrabromoethane?

1,1,2,2-Tetrabromoethane has molecular formula C2H2Br4 and molecular weight 345.653 g/mol.

Is 1,1,2,2-Tetrabromoethane hazardous?

1,1,2,2-Tetrabromoethane has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1,1,2,2-Tetrabromoethane?

For 1,1,2,2-Tetrabromoethane, Upstream Products: Acetylene, ethane, 1,2-Dibromoethane; Downstream Products: 1,1,2,2-tetrafluoroethane, tribromoethylene, Ethylamine hydrobromide.

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

Last updated:

How to cite: Jingsj. "1,1,2,2-Tetrabromoethane (CAS 79-27-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3530-1 (accessed 2026-11-06).

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