463035

Methane

electronic grade, ≥99.998%

• 동의어(들): Marsh gas, Methyl hydride
• 실험식(Hill 표기법): CH₄
• CAS Number: 74-82-8
• Molecular Weight: 16.04
• Beilstein: 1718732
• EC Number: 200-812-7
• MDL number: MFCD00008279
• UNSPSC 코드: 41116107
• PubChem Substance ID: 24869888
• NACRES: NA.23

속성

• Grade: electronic grade
• Quality Level: 100
• vapor density: 0.55 (vs air)
• 분석: ≥99.998%
• 양식: gas
• autoignition temp.: 998 °F
• expl. lim.: 15 %
• 불순물: <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.)
• 전이 온도: 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

설명

특징 및 장점

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

추천 제품

High-purity regulators Z527378 or Z527386 are recommended.

안전성 정보

• 픽토그램: GHS02,GHS04
• 신호어: Danger
• 유해 및 위험 성명서: H220,H280
• 예방조치 성명서: 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
• 개인 보호 장비: Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)