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1,1,1,2,2-Pentafluoro-4-iodobutane

Also known as: 1-Iodo-3,3,4,4,4-pentafluorobutane, 1H,1H,2H,2H-Perfluorobutyl iodide, 3,3,4,4,4-Pentafluoro-1-iodobutane, 4-Iodo-1,1,1,2,2-pentafluorobutane, Pentafluoroethyl ethyl iodide

1,1,1,2,2-Pentafluoro-4-iodobutane (CAS 40723-80-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H4F5I and a molecular weight of 273.97100 g/mol. Key properties include a boiling point of 100-101 °C(lit.), a density of 1.936 g/mL at 20 °C(lit.) and a flash point of 35.1ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40723-80-6
Jingsj CID
J-36873-0
Molecular Formula
C4H4F5I
Molecular Weight
273.97100 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point100-101 °C(lit.)
Density1.936 g/mL at 20 °C(lit.)
Flash Point35.1ºC
Exact Mass273.92800
LogP3.00910
Refractive Indexn20/D 1.391

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2903799090
Summary2903799090 halogenated derivatives of acyclic hydrocarbons containing two or more different halogens。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,1,1,2,2-Pentafluoro-4-iodobutane?

The CAS number of 1,1,1,2,2-Pentafluoro-4-iodobutane is 40723-80-6.

What are the molecular formula and molecular weight of 1,1,1,2,2-Pentafluoro-4-iodobutane?

1,1,1,2,2-Pentafluoro-4-iodobutane has molecular formula C4H4F5I and molecular weight 273.97100 g/mol.

Is 1,1,1,2,2-Pentafluoro-4-iodobutane hazardous?

1,1,1,2,2-Pentafluoro-4-iodobutane has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1,1,1,2,2-Pentafluoro-4-iodobutane?

For 1,1,1,2,2-Pentafluoro-4-iodobutane, Upstream Products: Pentafluoroethyl iodide.

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

Last updated:

How to cite: Jingsj. "1,1,1,2,2-Pentafluoro-4-iodobutane (CAS 40723-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36873-0 (accessed 2026-11-09).

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