Propylene

CAS 115-07-1CH3CH=CH2Chemical Synthesis

Propylene (CAS: 115-07-1), with the chemical formula CH3CH=CH2 and a molecular weight of 42.08 g/mol, is a highly flammable gas. It serves as a fundamental building block in the petrochemical industry. Its primary applications include the production of polypropylene plastics, acrylonitrile, and as a component in various organic syntheses. Propylene is a critical intermediate for numerous downstream chemical products.

IUPAC: Propene

Email us

Propylene (CH3CH=CH2) — chemical structure, CAS 115-07-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisSpecialty GasesSynthetic Reagents

01 /Applications

Polypropylene Production

Propylene is the monomer used in the polymerisation process to create polypropylene, a versatile plastic found in packaging, textiles, automotive parts, and consumer goods.

Chemical Synthesis

It is a key intermediate in the synthesis of other important chemicals, such as acrylonitrile, which is used in acrylic fibres and ABS plastics, and propylene oxide, a precursor to polyols for polyurethanes.

Petrochemical Feedstock

Propylene functions as a crucial feedstock in refineries and petrochemical plants, enabling the production of a wide array of derivative chemicals and fuels.

Specialty Gases

In its purified form, Propylene is utilised as a specialty gas in specific industrial applications and research settings where high purity is essential.

02 /Properties

Molecular weight	42.08
Linear formula	CH3CH=CH2
Assay	≥99%
Boiling point	−47.7 °C(lit.)
Vapour pressure	15.4 atm (37.7 °C)
Vapour density	1.48 (vs air)
Autoignition temp	860 °F
Melting point	−185 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Compressed gas (GHS04) — Compressed gas

Danger

Hazard statements

H220Extremely flammable gas
H280Contains gas under pressure; may explode if heated

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P410Protect from sunlight

Protective equipment	Eyeshields, Faceshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)
Flash point	-108 °C / -162.4 °F
Transport (UN / ADR)	UN 1077 2.1
Water hazard class (WGK, DE)	nwg
Hazard codes (EU)	F+
Risk statements (R)	12
Safety statements (S)	9-16-33

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

115-07-1

MDL number

MFCD00009279

PubChem substance

24857803

Beilstein registry

1696878

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Propylene used for?

Propylene (CAS: 115-07-1) is primarily used as a monomer for polypropylene production, a feedstock for other chemicals like acrylonitrile and propylene oxide, and as a specialty gas.

What is the CAS number and chemical formula for Propylene?

The CAS number for Propylene is 115-07-1, and its chemical formula is CH3CH=CH2.

What grade and purity does Tech Serve Solutions supply for Propylene?

Tech Serve Solutions supplies Propylene with an assay of ≥99%. We do not represent this product as USP, BP, or EP grade.

How is Propylene supplied and exported by TSS?

Propylene is supplied as a gas and exported in compliance with international regulations for hazardous materials transportation. Specific packaging and shipping details are available upon request.

How can I request a sample or quote for Propylene?

To request a sample or quote for Propylene, please contact our sales team through the website or by phone, providing your specific requirements.

What are the main safety hazards associated with Propylene?

Propylene is extremely flammable (H220) and can cause cold burns or frostbite due to rapid evaporation (H280). It requires careful handling in well-ventilated areas, away from ignition sources, and appropriate personal protective equipment must be worn.