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:
- Posted By: Chengdu Xenon Tritium Technology Co.,Ltd.
- 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:

- Website: https://xenon-gas.com/
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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