2-Butene
[CAS# 107-01-7]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
• Name: 2-Butene
• Synonyms: Pseudobutylene; beta-Butene; beta-Butylene
• Molecular Formula: C₄H₈
• Molecular Weight: 56.11
• CAS Registry Number: 107-01-7
• EC Number: 203-452-9

Properties

• Solubility: Very slightly soluble (0.26 g/L) (25 ºC), Calc.^*
• Density: 0.636±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: -139.3 ºC^**
• Boiling point: 150 ºC^***
• Refractive index: 1.5648 (589.3 nm 23 ºC)^****
• Flash point: -56.4±8.0 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

^*** Bestian, H.; Angewandte Chemie 1963, V75(18), P841-5.

^**** Teste, Jean; Bulletin de la Societe Chimique de France 1954, P492-7.

Safety Data

• Hazard Symbols: GHS02;GHS04 Danger
• Hazard Statements: H220

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable gases	Flam. Gas	1	H220
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Gases under pressure (compressed)	Press. Gas (Comp.)		H280