E

Ethane

IUPAC: ethane

C2H6 Organic Compounds CAS 74-84-0
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Quick Reference
Formula / NotationC2H6
CAS Number74-84-0
Molecular Weight30.07
Melting Point-279.9 °F (USCG, 1999)
Boiling Point-127.5 °F at 760 mmHg (USCG, 1999)
Density0.546 at -127.48 °F (USCG, 1999) - Less dense than water; will float
SolubilityIn water, 60.2 mg/L at 25 °C
AppearanceEthane appears as a colorless odorless gas. It is easily ignited. The vapors are heavier than air. It can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the...
Also Known AsBimethyl; Dimethyl; 74-84-0; Methylmethane; Ethyl hydride; DTXSID6026377; L99N5N533T; CHEBI:42266; RefChem:138120; DTXCID106377
CategoryOrganic Compounds

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.

Formula & Notation

C2H6

IUPAC Name: ethane

Other Names / Synonyms: Bimethyl; Dimethyl; 74-84-0; Methylmethane; Ethyl hydride; DTXSID6026377; L99N5N533T; CHEBI:42266; RefChem:138120; DTXCID106377

Properties & Characteristics

Appearance: Ethane appears as a colorless odorless gas. It is easily ignited. The vapors are heavier than air. It can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the.... Molecular formula: C2H6. Molecular weight: 30.07 g/mol. Boiling point: -127.5 °F at 760 mmHg (USCG, 1999). Melting point: -279.9 °F (USCG, 1999). Density: 0.546 at -127.48 °F (USCG, 1999) - Less dense than water; will float. Solubility: In water, 60.2 mg/L at 25 °C. Vapor 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 °C. LogP: 1.3.

Physical Data

PropertyValue
Melting Point-279.9 °F (USCG, 1999)
Boiling Point-127.5 °F at 760 mmHg (USCG, 1999)
Density0.546 at -127.48 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight30.07
SolubilityIn water, 60.2 mg/L at 25 °C
AppearanceEthane appears as a colorless odorless gas. It is easily ignited. The vapors are heavier than air. It can asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Ethane
Formula C2H6
CAS Number 74-84-0
Molecular Weight 30.07
Category Organic Compounds
Index All "E" terms
Synonyms Bimethyl; Dimethyl; 74-84-0; Methylmethane; Ethyl hydride; DTXSID6026377; L99N5N533T; CHEBI:42266; RefChem:138120; DTXCID106377

Frequently Asked Questions

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.

More "E" Terms

1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide C8H18ClN3 2-Ethoxyethanol C4H10O2 Effective Collisions Effective Collisions E ≥ Ea (activation energy required) Effective Molality m_eff = i × m (van't Hoff factor) Effective Nuclear Charge Z_eff = Z − σ (Slater's rules) Efflorescence Hydrated salt losing water in air: M·nH₂O(s) → M·(n-x)H₂O(s) + xH₂O(g) Einsteinium Es Electrical Conductivity κ = 1/ρ; Λm = κ/c Electrochemical Cell Galvanic cell: ΔG = −nFE_cell; Electrolytic cell: ΔG = +nFE_applied Electrochemical Series Arranged by E° (standard reduction potential); SHE: E° = 0.00 V Electrochemistry E° cell = E° cathode − E° anode | ΔG° = −nFE°
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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

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For educational purposes only. Verify all information before use.