CompoundList
Sign in
Refrigerants and blowing agents

Propane

Also known as n-Propane, Dimethylmethane, Propyl hydride

CAS 74-98-6Formula C3H8Molar mass 44.10 g/molEC 200-827-9
GHS signal word: Danger. Pictograms: Flammable, Gas under pressure 201 suppliers listed
Get quotes Compare 201 suppliers
Propane chemical structure, C3H8, CAS 74-98-6
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless gas [Shipped as a liquefied compressed gas]
Melting point
-187.6 °C
Boiling point
-42.1 °C
Density
Relative density (water = 1): 0.5
Flash point
-104.4 °C
HS code
271112
Category
Refrigerants and blowing agents
UN number
UN 1978
Illustrative photo, a bundle of gas cylinders on a manifold in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Propane?

Plain description, key identifiers and synonyms

Propane is a gas molecular entity and an alkane. It has a role as a food propellant.

Propane is a commonly used as a fuel.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
propane
CAS number
74-98-6 CAS number cross-checkedOther or deprecated CAS: 130071-47-5, 36427-14-2
EC number
200-827-9
Molecular formula
C3H8
UNII
T75W9911L6
INCI name
PROPANE
InChIKey
ATUOYWHBWRKTHZ-UHFFFAOYSA-N
InChI
InChI=1S/C3H8/c1-3-2/h3H2,1-2H3
SMILES (canonical and isomeric)
CCC

Synonyms

  • n-Propane
  • Dimethylmethane
  • Propyl hydride
  • Propyldihydride
  • Purifrigor p 3.5
  • HC 290
  • INS NO.944
  • Bottled gas
  • dimethyl methane
  • propan
  • Propane liquefied
  • Praseodymium doped ceria
  • n-Propane-
  • Propane-2-d
  • Propane (NF)
  • D-Ala35-Tirzepatide
  • D-Ile27-Tirzepatide
  • D-Pro36-Tirzepatide
  • D-Tyr10-Tirzepatide
  • Propane-1-13C
  • Propane, 98%
  • Freon 290
  • Propane, 99.97%
  • QSPL 135
  • UN 1978
Show all 26 synonyms
  • Propane, 99.95%, Messer(R) CANGas

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

Appearance
Colorless gas [Shipped as a liquefied compressed gas]exp.
Odour
Odorless [Note: A foul smelling odorant is often added when used for fuel purposes].exp.
Melting point
-187.6 °Cexp.
Boiling point
-42.1 °Cexp.
Density
Relative density (water = 1): 0.5exp.
Flash point
-104.4 °Cexp.
Autoignition temperature
450 °Cexp.
Solubility
100 vol water dissolve 6.5 vol at 17.8 °C, 753 mm Hg, 100 vol absolute alcohol dissolve 790 vol at 16.6 °C, 754 mm Hg, 100 vol ether dissolve 926 vol at 16.6 °C, 757 mm Hg, 100 vol chloroform dissolve 1299 vol at 21.6 °C, 757 mm Hg, 100…exp.
Vapour pressure
VP: 1 Pa at -156.9 °C, 10 Pa at -145.6 °C, 100 Pa at -130.9 °C, 1kPa at -111.4 °C, 10kPa at -83.8 °C, 100 kPa at -42.3 °Cexp.

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
44.10 g/molcalc.
Exact mass
44.0626 Dacalc.
LogP (octanol/water)
1.42calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
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
Danger
GHS02: Flammable
Flammable
GHS04: Gas under pressure
Gas under pressure
420NFPA 704 rating

Hazard statements

  • H220Extremely flammable gas.
Precautionary statements (7)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P222Do not allow contact with air.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P377Leaking gas fire: do not extinguish, unless leak can be stopped safely.
  • P381In case of leakage, eliminate all ignition sources.
  • P403Store in a well-ventilated place.
UN number
UN 1978
Transport hazard class
2.1

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

Propane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 201 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

201 suppliers in 34 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Propane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Component of liquid petroleum gas for commercial and industrial usage, feedstock in thermal cracking processes used to manufacture ethylene and propylene, refrigerant in chemical refining and gas processing operations, fuel in welding and cutting operations.

Organic synthesis, household and industrial fuel, manufacture of ethylene, extractant, solvent, gas enricher, refrigerant, aerosol propellant, mixture for bubble chambers.

Used in flame control of weeds in corn, soybeans, cotton, tobacco, strawberries.

Alternative (transportation) fuel.

Industrial uses: Energy Releasers (explosives, motive propellant), Other, Monomers, Processing aids not otherwise specified, Fuels and fuel additives, Fuel agents, Fuel, Abrasives.

Consumer uses: Other, Fuel agents, Fuel, Abrasives, Fuels and fuel additives, Filler, Corrosion inhibitor.

Use classes: Food additives, Cosmetics.

Cosmetic ingredient, INCI name PROPANE(propellant)

Roles

  • additive
  • food additive
  • food component
  • food propellant
  • physiological role
  • propellant

Functional uses

  • Propellants, non-motive (blowing agents)

Cosmetic functions

  • Propellant

How it is made

Removed from lower boiling hydrocarbons & permanent gases in petroleum refining & natural gas processing

Constituent of natural gas and of crude petroleum. Obtained by the so called "stabilization process" using fractional distillation under pressure.

Propane is obtained from natural gas by fractionation following absorption in oil, adsorption to surface-active agents, or refrigeration.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 601-003-00-5

Health and food

  • EU cosmetic ingredient inventory
  • Food additive

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2711.12Exact HS code

Petroleum gases and other gaseous hydrocarbons: liquefied, propane

World exports in 2024
$41.8B
−47.1% vs 2023, imports $48B
2019 to 2024
Top exporters
  1. United States56.2%
  2. United Arab Emirates * partner reported8.1%
  3. Canada7.4%
Top importers
  1. China39.1%
  2. Japan10.8%
  3. South Korea8.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Propane is indicative (it was matched by name in the HS nomenclature). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Propane?

Propane is a gas molecular entity and an alkane. It has a role as a food propellant.

What is the CAS number of Propane?

The CAS registry number of Propane is 74-98-6. Other or deprecated CAS numbers: 130071-47-5, 36427-14-2.

What is the molecular formula and weight of Propane?

The molecular formula of Propane is C3H8 and its molar mass is 44.10 g/mol.

What is Propane used for?

Component of liquid petroleum gas for commercial and industrial usage, feedstock in thermal cracking processes used to manufacture ethylene and propylene, refrigerant in chemical refining and gas processing operations, fuel in welding and cutting operations.

Is Propane hazardous?

Propane carries the GHS signal word "Danger". Main hazards: extremely flammable gas. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Propane?

Propane is usually classified under HS code 271112 (Propane). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Propane?

CompoundList lists 201 suppliers of Propane in United States, China, India, Canada and 30 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Propane in India?

7 suppliers in India list Propane on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Propane?

Suppliers quote Propane 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 Propane

Get quotes for Propane

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Propane
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Propane with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/propane-74-98-6" title="Propane structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Refrigerants and blowing agents or HS code 271112

201 suppliers
Free quotes, contact stays private
Get quotes