P

Propylene

IUPAC: prop-1-ene

C3H6 Organic Compounds CAS 115-07-1
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Quick Reference
Formula / NotationC3H6
CAS Number115-07-1
Molecular Weight42.08
Melting Point-301.4 °F (NTP, 1992)
Boiling Point-53.9 °F at 760 mmHg (NTP, 1992)
Density0.609 at -52.6 °F (USCG, 1999) - Less dense than water; will float
Solubility44.6 mL/100 mL (NTP, 1992)
AppearancePropylene is a colorless gas with a faint petroleum like odor. It is shipped as a liquefied gas under its own vapor pressure. For transportation it may be stenched. Contact with the liquid can caus...
Also Known Asprop-1-ene; Propene; 1-Propene; Methylethylene; Methylethene; 115-07-1; 1-Propylene; NCI-C50077; AUG1H506LY; R 1270
CategoryOrganic Compounds

What is Propylene?

Propene is an alkene that is propane with a double bond at position 1. It has a role as a xenobiotic and a refrigerant. It is a gas molecular entity and an alkene.

Formula & Notation

C3H6

IUPAC Name: prop-1-ene

Other Names / Synonyms: prop-1-ene; Propene; 1-Propene; Methylethylene; Methylethene; 115-07-1; 1-Propylene; NCI-C50077; AUG1H506LY; R 1270

Properties & Characteristics

Appearance: Propylene is a colorless gas with a faint petroleum like odor. It is shipped as a liquefied gas under its own vapor pressure. For transportation it may be stenched. Contact with the liquid can caus.... Molecular formula: C3H6. Molecular weight: 42.08 g/mol. Boiling point: -53.9 °F at 760 mmHg (NTP, 1992). Melting point: -301.4 °F (NTP, 1992). Density: 0.609 at -52.6 °F (USCG, 1999) - Less dense than water; will float. Solubility: 44.6 mL/100 mL (NTP, 1992). Vapor pressure: 1 mmHg at -205.4 °F ; 760 mmHg at -53.9 °F (NTP, 1992). LogP: 1.4.

Physical Data

PropertyValue
Melting Point-301.4 °F (NTP, 1992)
Boiling Point-53.9 °F at 760 mmHg (NTP, 1992)
Density0.609 at -52.6 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight42.08
Solubility44.6 mL/100 mL (NTP, 1992)
AppearancePropylene is a colorless gas with a faint petroleum like odor. It is shipped as a liquefied gas under its own vapor pressure. For transportation it may be stenched. Contact with the liquid can caus...

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 Propylene
Formula C3H6
CAS Number 115-07-1
Molecular Weight 42.08
Synonyms prop-1-ene; Propene; 1-Propene; Methylethylene; Methylethene; 115-07-1; 1-Propylene; NCI-C50077; AUG1H506LY; R 1270

Frequently Asked Questions

Propene is an alkene that is propane with a double bond at position 1. It has a role as a xenobiotic and a refrigerant. It is a gas molecular entity and an alkene.

More "P" Terms

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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.