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Refrigerants and blowing agents

Perflisobutane

Also known as Decafluoroisobutane, 1,1,1,2,3,3,3-Heptafluoro-2-(trifluoromethyl)propane, Perflisobutano

CAS 354-92-7Formula C4F10Molar mass 238.02 g/molEC 206-571-4
GHS signal word: Warning. Pictograms: Gas under pressure, Harmful or irritant
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Perflisobutane chemical structure, C4F10, CAS 354-92-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
354-92-7
Formula
C4F10
Molar mass
238.02 g/mol
Physical form
Gas
HS code
290349
Category
Refrigerants and blowing agents
Illustrative photo, a gas cylinder on a trolley on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Perflisobutane?

Plain description, key identifiers and synonyms

Perflisobutane is a chemical substance with the molecular formula C4F10 and a molar mass of 238.02 g/mol. Its CAS registry number is 354-92-7. The IUPAC name is 1,1,1,2,3,3,3-heptafluoro-2-(trifluoromethyl)propane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,1,1,2,3,3,3-heptafluoro-2-(trifluoromethyl)propane
CAS number
354-92-7 CAS number cross-checked
EC number
206-571-4
Molecular formula
C4F10
UNII
7W4TAI502Z
MDL number
MFCD00236738
InChIKey
COQIQRBKEGPRSG-UHFFFAOYSA-N
InChI
InChI=1S/C4F10/c5-1(2(6,7)8,3(9,10)11)4(12,13)14
SMILES (canonical and isomeric)
C(C(F)(F)F)(C(F)(F)F)(C(F)(F)F)F

Synonyms

  • Decafluoroisobutane
  • 1,1,1,2,3,3,3-Heptafluoro-2-(trifluoromethyl)propane
  • Perflisobutano
  • Propane, 1,1,1,2,3,3,3-heptafluoro-2-(trifluoromethyl)-
  • perflisobutanum
  • Perfluoroisobutane
  • Propane,1,1,1,2,3,3,3-heptafluoro-2-(trifluoromethyl)-
  • perfluorisobutan
  • perfluoro-isobutane
  • Coqiqrbkegprsg-uhfffaoysa-
  • Decafluoroisobutane, 1,1,1,2,3,3,3-Heptafluoro-2-(trifluoromethyl)propane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Gasexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
238.02 g/molcalc.
Exact mass
237.984 Dacalc.
LogP (octanol/water)
3.38calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
14calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS04: Gas under pressure
Gas under pressure
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H280Contains gas under pressure, may explode if heated.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (17)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P410 + P403Protect from sunlight. Store in a well-ventilated place.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Perflisobutane suppliers

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Perflisobutane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pfas.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Perflisobutane is traded under.

HS 2903.49Indicative HS code

Saturated fluorinated derivatives of acyclic hydrocarbons, other

World exports in 2024
$124M
−2.2% vs 2023, imports $134M
2022 to 2024
Top exporters
  1. Japan29.8%
  2. United States28.1%
  3. China18.7%
Top importers
  1. South Korea41.2%
  2. United States9.5%
  3. Singapore7.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Perflisobutane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Perflisobutane, based on the data on this page

What is Perflisobutane?

Perflisobutane is a chemical substance with the molecular formula C4F10 and a molar mass of 238.02 g/mol. Its CAS registry number is 354-92-7. The IUPAC name is 1,1,1,2,3,3,3-heptafluoro-2-(trifluoromethyl)propane.

What is the CAS number of Perflisobutane?

The CAS registry number of Perflisobutane is 354-92-7.

What is the molecular formula and weight of Perflisobutane?

The molecular formula of Perflisobutane is C4F10 and its molar mass is 238.02 g/mol.

What is Perflisobutane used for?

Use classes: Pfas.

Is Perflisobutane hazardous?

Perflisobutane carries the GHS signal word "Warning". Main hazards: contains gas under pressure, may explode if heated, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Perflisobutane?

Perflisobutane is usually classified under HS code 290349 (Saturated fluorinated derivatives of acyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Perflisobutane?

Post a free request on CompoundList and suppliers of Perflisobutane will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Perflisobutane?

Suppliers quote Perflisobutane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Perflisobutane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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