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Ch4 Gas 99 999% For Cvd And Calibration - China

price: 1.00 Dollar US$

Methane is an organic compound with the formula CH4 and a molecular weight of 16.043 - Methane is the simplest organic matter and the hydrocarbon with the least carbon (and the most hydrogen).

Methane is widely distributed in nature and is the main component of natural gas, biogas and pit gas, commonly known as gas.

It can be used as fuel and raw material for the manufacture of hydrogen, carbon black, carbon monoxide, acetylene, hydrocyanic acid and formaldehyde.

CAS NO 74-82-8

UN NO 1971

EINECS NO 200-812-7

Molecular weight 16.043

Appearance Colorless, Odorless

Melting point -182.5 ℃

Boiling point -161.5 ℃

Density 0.717g/L

DOT Class 2.1

Label Flammable Gas

Industrial Grade

Specification 99.9%

Hydrogen ≤ 50 ppm

Oxygen + Argon ≤ 50 ppm

Nitrogen ≤ 250 ppm

Ethane ≤ 600 ppm

Moisture ≤ 50 ppm Specification 99.99%

Hydrogen ≤ 10 ppm

Oxygen + Argon ≤ 10 ppm

Nitrogen ≤ 35 ppm

Ethane ≤ 25 ppm

Moisture ≤ 15 ppm Specification 99.999%

Ethane ≤ 1.5ppm

Oxygen + Argon ≤ 0.85ppm

Hydrogen ≤ 0.13ppm

Nitrogen ≤ 1.45ppm

H2O ≤ 1.32ppm

Total Impurity ≤ 5.38ppm Specification 99.9999%

Ethane ≤ 0.05ppm

Oxygen + Argon ≤ 0.05ppm

Hydrogen ≤ 0.05ppm

Nitrogen ≤ 0.18ppm

Carbon Dioxide ≤ 0.05ppm

Carbon Monoxide ≤ 0.05ppm

H2O ≤ 0.20ppm

Total Impurity ≤ 0.63ppm

Package Information

Cylinder Capacity Valve Volume Bar Psig

40L CGA350 6 m3 150 2175

47L CGA350 7 m3 150 2175

50L CGA350 10 m3 200 2900


Company Contact:


  • Phone: 17348042750

  • Address: No. 1015, Floor 10, Unit 1, Building 2, No. 1700, North Section of Tianfu Avenue, Chengdu High-tech , Chengdu , sichuan , China

  • Email: Email


Published date: May 7, 2026

  • Business Description: Best service for you

    About Us

    Chengdu Xenon Tritium Technology Co., Ltd. was founded in 2018, is a special gas company that integrated production,research and development, marketing according to customer needs.

    Our company has strong professional technology and perfect logistics services, with more than 10 years of special gas application experience and a wide range of sales market.

    The company has been committed to the sales of special gas, high purity gas, ultra-pure gas, rare gas over the years, and gas supporting equipment production and construction, emphasizing one-stop gas service.

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