B

Butane

IUPAC: butane

C4H10 Organic Compounds CAS 106-97-8
Expert Written | Fact Checked | Sources Cited | AllChemicals Editorial Team
Quick Reference
Formula / NotationC4H10
CAS Number106-97-8
Molecular Weight58.12
Melting Point-217.1 °F (NTP, 1992)
Boiling Point31.1 °F at 760 mmHg (NTP, 1992)
Density0.6 at 32 °F (USCG, 1999) - Less dense than water; will float
Solubility61 mg/L at 68 °F (NTP, 1992)
AppearanceButane is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frost...
Also Known Asn-Butane; 106-97-8; Diethyl; Methylethylmethane; Butanen; Butani; Butyl hydride; HC 600; A 21 (lowing agent); R 600
CategoryOrganic Compounds

What is Butane?

Butane is a straight chain alkane composed of 4 carbon atoms. It has a role as a food propellant and a refrigerant. It is a gas molecular entity and an alkane.

Formula & Notation

C4H10

IUPAC Name: butane

Other Names / Synonyms: n-Butane; 106-97-8; Diethyl; Methylethylmethane; Butanen; Butani; Butyl hydride; HC 600; A 21 (lowing agent); R 600

Properties & Characteristics

Appearance: Butane is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frost.... Molecular formula: C4H10. Molecular weight: 58.12 g/mol. Boiling point: 31.1 °F at 760 mmHg (NTP, 1992). Melting point: -217.1 °F (NTP, 1992). Density: 0.6 at 32 °F (USCG, 1999) - Less dense than water; will float. Solubility: 61 mg/L at 68 °F (NTP, 1992). Vapor pressure: 760 mmHg at 31.1 °F ; 1823 mmHg at 77 °F (NTP, 1992). LogP: 2.9.

Physical Data

PropertyValue
Melting Point-217.1 °F (NTP, 1992)
Boiling Point31.1 °F at 760 mmHg (NTP, 1992)
Density0.6 at 32 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight58.12
Solubility61 mg/L at 68 °F (NTP, 1992)
AppearanceButane is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frost...

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 Butane
Formula C4H10
CAS Number 106-97-8
Molecular Weight 58.12
Synonyms n-Butane; 106-97-8; Diethyl; Methylethylmethane; Butanen; Butani; Butyl hydride; HC 600; A 21 (lowing agent); R 600

Frequently Asked Questions

Butane is a straight chain alkane composed of 4 carbon atoms. It has a role as a food propellant and a refrigerant. It is a gas molecular entity and an alkane.

More "B" Terms

View all "B" terms →
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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.