METHANE 99.9>=98% ELECTRONIC GRADE

Features and Benefits

Methane is used as a carbon source for the chemical vapor deposition (CVD) of carbide and diamond thin films.

Recommended products

High-purity regulators Z527378 or Z527386 are recommended.

Molecular Weight: 16.04. Empirical Formula: CH₄. grade: electronic grade. Quality Level: 100. vapor density: 0.55 (vs air). Assay: ≥. 99.998%. form: gas. autoignition temp.: 998 . °F. expl. lim.: 15 . %. impurities: <. 2 . ppm CO, <. 2 . ppm CO₂, <. 3 . ppm Water (H₂O), <. 5 . ppm Ethane (C₂H₅), <. 5 . ppm Nitrogen (N₂). bp: −. 161 . °C (lit.). mp: −. 183 . °C (lit.). transition temp: critical temperature −. 82.1 . °C. density: 0.716 . g/mL . at 25 . °C (lit.). SMILES string: [H]C([H])([H])[H]. InChI: 1S/CH4/h1H4. InChI key: VNWKTOKETHGBQD-UHFFFAOYSA-N. Pictograms: GHS02,GHS04. Signal Word: Danger. Hazard Statements: H220 - H280. Precautionary Statements: P210 - P377 - P381 - P410 + P403. Hazard Classifications: Flam. Gas 1A - Press. Gas Compr. Gas. Storage Class Code: 2A - Gases. WGK: nwg. Flash Point(F): -306.4 °F - closed cup. Flash Point(C): -188 °C - closed cup. Personal Protective Equipment: Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US).