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Refrigerants and blowing agents

Ethane

Also known as Bimethyl, Dimethyl, Methylmethane

CAS 74-84-0Formula C2H6Molar mass 30.07 g/molEC 200-814-8
GHS signal word: Danger. Pictograms: Flammable, Gas under pressure 91 suppliers listed
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Ethane chemical structure, C2H6, CAS 74-84-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless gas
Melting point
-182.8 °C
Boiling point
-88.6 °C
Density
1.0493 at 0 °C/4 °C (air = 1) or 1.3562 g/L, 0.446 at 0 °C/4 °C (liquid)
Flash point
-135 °C
HS code
290110
Category
Refrigerants and blowing agents
UN number
UN 1035
Illustrative photo, a small gas cylinder with a regulator in a lab on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Ethane?

Plain description, key identifiers and synonyms

Ethane is an alkane comprising of two carbon atoms. It has a role as a plant metabolite and a refrigerant. It is a gas molecular entity and an alkane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
ethane
CAS number
74-84-0 CAS number cross-checkedOther or deprecated CAS: 19888-33-6
EC numbers
200-814-8, 428-270-9
Molecular formula
C2H6
UNII
L99N5N533T
MDL number
MFCD00009023
INCI name
ETHANE
InChIKey
OTMSDBZUPAUEDD-UHFFFAOYSA-N
InChI
InChI=1S/C2H6/c1-2/h1-2H3
SMILES (canonical and isomeric)
CC

Synonyms

  • Bimethyl
  • Dimethyl
  • Methylmethane
  • Ethyl hydride
  • Humulene monoxide
  • Humulene oxide I
  • Humulene I epoxide
  • D-Lys20-Tirzepatide
  • Ethane-d
  • Des-Asp15-Tirzepatide
  • Des-Leu26-Tirzepatide
  • Ethane, >=99%
  • Ethane, 99.99%
  • Ethane, refrigerated liquid
  • [beta-Asp8]Terlipressin TFA
  • Ethane (1-13c)
  • Ethane Solution, 50 mg/L, 1 ml
  • Ethane, >=99.95% (GC)
  • Ethane [UN1035] [Flammable gas]
  • UN 1035
  • UN 1961
  • Ethane, Messer(R) CANGas, 99.95%
  • Ethane, refrigerated liquid [UN1961] [Flammable gas]

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 gasexp.
Odour
Odorlessexp.
Melting point
-182.8 °Cexp.
Boiling point
-88.6 °Cexp.
Density
1.0493 at 0 °C/4 °C (air = 1) or 1.3562 g/L, 0.446 at 0 °C/4 °C (liquid)exp.
Flash point
-135 °Cexp.
Autoignition temperature
472 °Cexp.
Solubility
In water, 60.2 mg/L at 25 °Cexp.
Vapour pressure
VP: 1 Pa at -183.3 °C (solid), 10 Pa at -173.2 °C, 100 Pa at -161.3 °C, 1 kPa at -145.3 °C, 10 kPa at -122.8 °C, 100 kPa at -88.8 °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
30.07 g/molcalc.
Exact mass
30.047 Dacalc.
LogP (octanol/water)
1.03calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
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
410NFPA 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 1035
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

Ethane suppliers

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All 91 suppliers
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Where suppliers are based

91 suppliers in 19 countries

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Ethane 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

In the manufacture of chlorinated derivatives, as refrigerant in some two-stage refrigeration systems where relatively low temperatures are produced, as fuel gas (so called "bottle gas" or "suburban propane" contains about 90% propane, 5% ethane, and 5% butane).

The single most important industrial use for ethane is the production of ethylene by steam-cracking.

As a feedstock in the production of vinyl chloride.

Industrial uses: Anti-freeze agent, Other, Monomers, Processing aids not otherwise specified, Fuel, Fuel agents, Refrigerants.

Consumer uses: Processing aids not otherwise specified, Fuel, Anti-freeze agent, Other, Intermediate.

Use classes: Cosmetics.

Cosmetic ingredient, INCI name ETHANE(propellant)

Roles

  • antineoplastic agent
  • eukaryotic metabolite
  • metabolite
  • pharmaceutical
  • plant metabolite
  • refrigerant

Functional uses

  • Propellants, non-motive (blowing agents)

Cosmetic functions

  • Propellant

How it is made

Ethane is present in many natural gas sources and in refinery gases, it can be recovered for industrial use. ... Ethane is formed in thermal- and hydrocracking of hydrocarbons ... and in the liquefaction of coal.

Can be recovered from the gases produced during the distillation of crude petroleum.

Fractionating low molecular weight gases recovered during the refining of crude oil.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 601-002-00-X

Health and food

  • EU cosmetic ingredient inventory

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 Ethane is traded under.

HS 2901.10Indicative HS code

Saturated

World exports in 2024
$8.47B
+23.9% vs 2023, imports $7.66B
2019 to 2024
Top exporters
  1. United States79.8%
  2. Canada10.1%
  3. Germany1.4%
Top importers
  1. China34.6%
  2. United States12.2%
  3. Sweden5.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Ethane?

Ethane is an alkane comprising of two carbon atoms. It has a role as a plant metabolite and a refrigerant. It is a gas molecular entity and an alkane.

What is the CAS number of Ethane?

The CAS registry number of Ethane is 74-84-0. Other or deprecated CAS numbers: 19888-33-6.

What is the molecular formula and weight of Ethane?

The molecular formula of Ethane is C2H6 and its molar mass is 30.07 g/mol.

What is Ethane used for?

In the manufacture of chlorinated derivatives, as refrigerant in some two-stage refrigeration systems where relatively low temperatures are produced, as fuel gas (so called "bottle gas" or "suburban propane" contains about 90% propane, 5% ethane, and 5% butane).

Is Ethane hazardous?

Ethane 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 Ethane?

Ethane is usually classified under HS code 290110 (Saturated). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ethane?

CompoundList lists 91 suppliers of Ethane in United States, China, India, Greece and 15 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Ethane in India?

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

What is the price of Ethane?

Suppliers quote Ethane 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 Ethane

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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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