甲烷 (CAS No.74-82-8)
- 物化性质
- 无色无味气体，标准状况下密度约0.717 g/L，沸点-161.5℃，熔点约-182.5℃。微溶于水，溶于乙醇、乙醚等有机溶剂。易燃，与空气混合能形成爆炸性混合物。
- 技术参数
- 纯度≥99.999% 氮气含量≤2 ppm 氧气+氩气含量≤1 ppm 二氧化碳含量≤0.5 ppm 水分含量≤1 ppm 总烃（除甲烷外，以CH4计）≤1 ppm
English description（英文原文，共 996 字符）
Product Name:Methane
English Name:Methane
CAS No.:74-82-8
Aliases:Marsh gas, Firedamp
Molecular Formula:CH4
Physical Properties:Colorless and odorless gas with a density of approximately 0.717 g/L at standard conditions. Boiling point -161.5°C, melting point approximately -182.5°C. Slightly soluble in water; soluble in ethanol, diethyl ether and other organic solvents. Flammable, forms explosive mixtures with air.
Uses:Used as a high-purity standard gas and GC carrier/calibration gas in analytical testing and metrology, for environmental monitoring, sensor calibration and laboratory analysis. Also applied in catalytic reaction studies, fuel cell research, and as a protective atmosphere or synthesis gas in special industrial applications.
Technical Specifications:
Purity ≥ 99.999%
Nitrogen (N2) content ≤ 2 ppm
Oxygen (O2) + Argon (Ar) content ≤ 1 ppm
Carbon dioxide (CO2) content ≤ 0.5 ppm
Water (H2O) content ≤ 1 ppm
Total hydrocarbons (excluding methane, as CH4) ≤ 1 ppm
English Name:Methane
CAS No.:74-82-8
Aliases:Marsh gas, Firedamp
Molecular Formula:CH4
Physical Properties:Colorless and odorless gas with a density of approximately 0.717 g/L at standard conditions. Boiling point -161.5°C, melting point approximately -182.5°C. Slightly soluble in water; soluble in ethanol, diethyl ether and other organic solvents. Flammable, forms explosive mixtures with air.
Uses:Used as a high-purity standard gas and GC carrier/calibration gas in analytical testing and metrology, for environmental monitoring, sensor calibration and laboratory analysis. Also applied in catalytic reaction studies, fuel cell research, and as a protective atmosphere or synthesis gas in special industrial applications.
Technical Specifications:
Purity ≥ 99.999%
Nitrogen (N2) content ≤ 2 ppm
Oxygen (O2) + Argon (Ar) content ≤ 1 ppm
Carbon dioxide (CO2) content ≤ 0.5 ppm
Water (H2O) content ≤ 1 ppm
Total hydrocarbons (excluding methane, as CH4) ≤ 1 ppm
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常见问题
- 甲烷的 CAS 号是多少？
- 甲烷的 CAS 号是 74-82-8。
- 甲烷的分子式和分子量是什么？
- 甲烷的分子式为 CH4。
- 甲烷的英文名称是什么？
- 甲烷的英文名称为 Methane。
- 甲烷还有哪些别名？
- 甲烷又称 瓦斯。
- 甲烷有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条甲烷供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 甲烷的供应商主要分布在哪些地区？
- 甲烷的供应商主要分布在 上海市（1 条） 等地。
- 甲烷有哪些级别可选？
- 平台上甲烷的供应级别包括 工业级。
- 甲烷的报价单位是什么？
- 甲烷的报价单位主要有 千克。
- 哪里可以查到甲烷的价格？
- 掌上化工甲烷产品页汇总了各供应商的最新报价与规格，地址：/chemicals/74-82-8/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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