236705
Pentane
anhydrous, ≥99%
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About This Item
Linear Formula:
CH3(CH2)3CH3
CAS Number:
Molecular Weight:
72.15
UNSPSC Code:
12352001
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-692-4
Beilstein/REAXYS Number:
969132
MDL number:
Assay:
≥99%
Grade:
anhydrous
Bp:
35-36 °C (lit.)
Vapor pressure:
26.76 psi ( 55 °C), 8.28 psi ( 20 °C)
grade
anhydrous
Quality Segment
vapor density
2.48 (vs air)
vapor pressure
26.76 psi ( 55 °C), 8.28 psi ( 20 °C)
assay
≥99%
form
liquid
autoignition temp.
500 °F
expl. lim.
~8.3 %
impurities
<0.001% water, <0.005% water (100 mL pkg)
evapn. residue
<0.0005%
refractive index
n20/D 1.358 (lit.)
bp
35-36 °C (lit.)
mp
−130 °C (lit.)
density
0.626 g/mL at 25 °C (lit.)
SMILES string
CCCCC
InChI
1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3
InChI key
OFBQJSOFQDEBGM-UHFFFAOYSA-N
General description
Pentane, a linear aliphatic hydrocarbon, is one of the main constituents of light straight-run (LSR) gasoline fraction in crude oils. Its isomerization can improve the octane number of gasoline. This has led to the development of a number of metal catalysts, which can effectively isomerize n-pentane to iso-pentane.
Application
Pentane may be used as a solvent in the preparation of tetraethynyl silane from tetrakis((trimethylsilyl)ethynyl)silane.
Packaging
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signalword
Danger
hcodes
Hazard Classifications
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - STOT SE 3
target_organs
Central nervous system
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
-40.0 °F
flash_point_c
-40 °C
ppe
Eyeshields, Faceshields, Gloves
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