cas no.: 7782-44-7
einecs no.: 231-956-9
un no.: un1072
purity: 99.995%-99.9997%
dot class: 2.2
appearance: colorless
grade standard: industrial grade, medical grade, electronic grade.
industry use:
steel making, non-ferrous metal smelting.cutting metal material.
medical use:
in first-aid treatment of emergencies such as suffocation and heart attack, in the treatment of patients with respiratory disorders and
in anaesthesia.
semiconductor fabrication:
chemical vapour deposition of silicon dioxide, thermal oxide growth, plasma etching, plasma stripping of photoresist and carrier gas in
certain deposition/diffusion operations.
tyhj focuses on industrial gases development, including oxygen, fire extinguishers carbon dioxide, co2, so2, h2, n2.