CAS No.:7782-44-7

TOXICITY DATA with REFERENCE：

1.		cyt-ham:lng 80 pph		MUREAV    Mutation Research. 57 (1978),27.
2.		cyt-ham:lng 80 pph		ACATA5    Acta Anatomica. 94 (1976),520.
3.		ihl-hmn TCLo:100 pph/14H:PUL		JAMAAP    JAMA, Journal of the American Medical Association. 128 (1945),710.

Consensus Reports：

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

SAFETY PROFILE：

Human systemic effects by inhalation: cough and other pulmonary changes. Human teratogenic effects by inhalation: developmental abnormalities of the fetal cardiovascular system. Mutation data reported. Not toxic as gas. In liquid form it can cause severe “burns” and tissue damage on contact with the skin due to extreme cold.
Hazard Codes: O,C
Risk Statements: 8-52/53-34
 R8 :Contact with combustible material may cause fire. 
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R34:Causes burns.
Safety Statements: 17-45-36/37/39-26-61 
S17:Keep away from combustible material. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 1072 2.2
RTECS: RS2060000
F: 4.5-31
HazardClass: 2.2

Standards and Recommendations：

DOT Classification:  2.2; Label: Nonflammable Gas, Oxidizer

Analytical Methods：

For occupational chemical analysis use NIOSH: Oxygen (field-readable) 6601.