n-Butane - A colorless, flammable gas shipped as a liquid under its own
vapor pressure

TECHNICAL INFORMATION
Chemical Symbol C4H10
Molecular Weight 58.12
Specific Volume6.34 ft3/lb (0.396 m3/kg)
CAS Registry Number106-97-8
SHIPPING INFORMATION
DOT Proper Name n-Butane
Hazard Class 2.1
ID Number UN1011
Labels Flammable Gas
CYLINDER SIZES AVAILABLE
Std. Cylinder Sizes*ContentsCylinder Pressure (PSIG)CGA Valve Connection
454 540 16.3 510
350 120 16.3 510
200 40 16.3 510

*Nonstandard cylinder sizes available upon request


SPECIFICATIONS SUBJECT TO CHANGE
CALL TO CONFIRM

GradePurityImpuritySpecifications Equipment Recommended
3.0 (Research) 99.9%Total Impurities < 100ppm 3103
2.5 (Instrument) > 99.5% Water
Propane
Isobutane
C5
Sulfur
< 5ppm
< 500ppm/w
< 2500ppm/w
< 1000ppm/w
< 1ppm/w
3103
2.0 (Chemically
Pure)
99.0% Water
Propane
Isobutane
C5
Sulfur
< 10ppm
< 1000ppm/w
< 5000ppm/w
< 2000ppm/w
< 2ppm/w
3103

This information in no way replaces the Safety Data Sheets (SDS) for use and safety standards. Please refer to the SDS for details.