氮 (CAS No.7727-37-9)
- 物化性质
- 常温常压下为无色、无味、无臭的惰性气体，分子量28.01。熔点-209.86°C，沸点-195.8°C，临界温度-146.9°C。密度（0°C，101.325 kPa）1.2506 kg/m³，微溶于水和乙醇。化学性质稳定，不易燃烧，不支持呼吸。
- 技术参数
- 纯度（体积分数）不低于99.9% 氧含量不高于0.1% 水含量不高于0.05% 熔点-209.86°C 沸点-195.8°C
English description（英文原文，共 963 字符）
Product Name:Nitrogen
English Name:Nitrogen
CAS No.:7727-37-9
Aliases:Nitrogen gas, Liquid nitrogen
Molecular Formula:N2
Physical Properties:At normal temperature and pressure, it is a colorless, odorless, and tasteless inert gas with a molecular weight of 28.01. Melting point -209.86°C, boiling point -195.8°C, critical temperature -146.9°C. Density 1.2506 kg/m³ at 0°C and 101.325 kPa. Slightly soluble in water and ethanol. Chemically stable, non-flammable, and does not support respiration.
Uses:As a food additive, it is used in the food industry as a protective and displacing gas in packaging to isolate oxygen and prevent oxidative deterioration of food. It is also used in food freezing preservation, liquid nitrogen quick-freezing, and freeze-drying processes.
Technical Specifications:
Purity (by volume) not less than 99.9%
Oxygen content not more than 0.1%
Water content not more than 0.05%
Melting point -209.86°C
Boiling point -195.8°C
English Name:Nitrogen
CAS No.:7727-37-9
Aliases:Nitrogen gas, Liquid nitrogen
Molecular Formula:N2
Physical Properties:At normal temperature and pressure, it is a colorless, odorless, and tasteless inert gas with a molecular weight of 28.01. Melting point -209.86°C, boiling point -195.8°C, critical temperature -146.9°C. Density 1.2506 kg/m³ at 0°C and 101.325 kPa. Slightly soluble in water and ethanol. Chemically stable, non-flammable, and does not support respiration.
Uses:As a food additive, it is used in the food industry as a protective and displacing gas in packaging to isolate oxygen and prevent oxidative deterioration of food. It is also used in food freezing preservation, liquid nitrogen quick-freezing, and freeze-drying processes.
Technical Specifications:
Purity (by volume) not less than 99.9%
Oxygen content not more than 0.1%
Water content not more than 0.05%
Melting point -209.86°C
Boiling point -195.8°C
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常见问题
- 氮的 CAS 号是多少？
- 氮的 CAS 号是 7727-37-9。
- 氮的分子式和分子量是什么？
- 氮的分子式为 N2。
- 氮的英文名称是什么？
- 氮的英文名称为 Nitrogen。
- 氮还有哪些别名？
- 氮又称 氮气、液氮。
- 氮有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条氮供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 氮的供应商主要分布在哪些地区？
- 氮的供应商主要分布在 上海市（1 条） 等地。
- 氮有哪些级别可选？
- 平台上氮的供应级别包括 工业级。
- 氮的报价单位是什么？
- 氮的报价单位主要有 千克。
- 哪里可以查到氮的价格？
- 掌上化工氮产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7727-37-9/。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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