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Butane

CAS No.: 106-97-8
Synonyms:
Formula: C4H10
Exact Mass: 58.07830
Molecular Weight: 58.12220
PSA: 0.00000
LogP: 1.80640
Description Feedback
Butane is an organic compound with the formula C4H10 that is an alkane with four carbon atoms. Butane is a gas at room temperature and atmospheric pressure. The term may refer to either of two structural isomers, n-butane or isobutane (or "methylpropane"), or to a mixture of these isomers. In the IUPAC nomenclature, however, "butane" refers only to the n-butane isomer (which is the isomer with the unbranched structure). Butanes are highly flammable, colorless, easily liquefied gases. The name butane comes from the roots but- (from butyric acid) and -ane.

Properties Feedback
Appearance & Physical State:colourless gas
Density:0.579 g/mL at 20 °C(lit.)
Melting Point:-138.35ºC
Boiling Point:-0.5ºC
Flash Point:-60 °C
Refractive Index:1.3326
Stability:Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with strong oxidizing agents, strong acids, strong alkalies.
Vapor Pressure:1920mmHg at 25°C
Vapor Density:2.11 (vs air)

Safety Info Feedback
Symbol:
GHS02

GHS04
Sign:Danger
hazard declaration:H220; H280
hazard declaration add:
waring notice:P210; P377; P403; P410
RTECS:EJ4200000
Hazard Class:2.1
Safety Statements:S; S9; S16
HS Code:3606100000
WGK Germany:
RIDADR:UN 2037 2.1
Risk Statements:R12
Hazard Codes:F+

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