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Methane

Methane chemical structure
CAS Number74-82-8
FormulaCH4
Mol. Weight16.04 g/mol

What is Methane?

Methane is a chemical compound with CAS number 74-82-8 and molecular formula CH4. It is used in various industrial and research applications.

Specifications

Molecular Weight

16.04 g/mol

Assay/Purity

≥99.995% (GC)

Impurities

CO2, trace
N2, trace
O2, trace
water, trace
≤0.0005% CnHm
≤0.0015% ethane

Boiling Point

−161 °C(lit.)

Density

0.716 g/mL at 25 °C(lit.)

Safety Information

GHS02GHS02
GHS04GHS04
Signal Word

Danger

Hazard Statements

H220-H280

Precautionary Statements

P210-P410 + P403

Required PPE

Eyeshields, Faceshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US)

Melting Point

−183 °C(lit.)

EC Number

200-812-7

WGK Germany

nwg

Frequently Asked Questions