2-Butene, mixture of cis and trans

CAS 107-01-7CH3CH=CHCH3Chemical Synthesis

2-Butene (CAS: 107-01-7), a mixture of cis and trans isomers, is an unsaturated hydrocarbon with the molecular formula CH3CH=CHCH3 and a molar mass of 56.11 g/mol. This volatile alkene serves as a fundamental building block in organic synthesis. Its primary utility lies in its reactivity as an olefin, participating in various addition reactions crucial for the development of more complex organic molecules within research and industrial chemical processes.

Synonyms: CH3CH=CHCH3cis-2-Butenetrans-2-Butene

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2-Butene, mixture of cis and trans (CH3CH=CHCH3) — chemical structure, CAS 107-01-7; Chemistry, fine chemical supplied by Tech Serve Solutions

AcyclicAlkenesBuilding BlocksChemical SynthesisOrganic Building Blocks

01 /Applications

Organic Synthesis Intermediate

2-Butene is a versatile intermediate in organic synthesis. Its double bond readily undergoes addition reactions, making it valuable for creating carbon-carbon bonds and introducing functional groups into organic molecules.

Chemical Research

Utilised in academic and industrial research laboratories for studying reaction mechanisms, developing new synthetic methodologies, and exploring the chemistry of alkenes.

Petrochemical Feedstock Component

While not a primary feedstock, branched alkenes like 2-butene can be components in processes refining petrochemical streams, contributing to the production of various hydrocarbon derivatives.

02 /Properties

Molecular weight	56.11
Linear formula	CH3CH=CHCH3
Assay	≥99%
Boiling point	1 °C(lit.)
Vapour pressure	1.9 mmHg (0 °C)
Melting point	−140 °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	-34 °C / -29.2 °F
Transport (UN / ADR)	UN 1012 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

107-01-7

MDL number

MFCD00064458

PubChem substance

24862193

Beilstein registry

1718755

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 2-Butene (mixture of cis and trans) used for?

2-Butene is used as a building block in organic synthesis and in chemical research for studying alkene reactions and developing synthetic methods.

What is the CAS number and formula for 2-Butene (mixture of cis and trans)?

The CAS number is 107-01-7 and the molecular formula is CH3CH=CHCH3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2-Butene (mixture of cis and trans) with an assay of ≥99%. This product is not supplied as USP, BP, EP, or other pharmacopoeia grade.

How should 2-Butene (mixture of cis and trans) be handled safely?

2-Butene is extremely flammable and can cause cryogenic burns. Handle with appropriate personal protective equipment including safety glasses, gloves, and respiratory protection in a well-ventilated area, away from ignition sources.