CAS No.:76-11-9

TOXICITY DATA with REFERENCE：

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LCLo	inhalation	20000ppm/30M (20000ppm)	BEHAVIORAL: GENERAL ANESTHETIC BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LIVER: OTHER CHANGES	Toxicology and Applied Pharmacology. Vol. 19, Pg. 1, 1971.
rat	LD50	oral	> 8gm/kg (8000mg/kg)		Nature. Vol. 210, Pg. 744, 1966.

Consensus Reports：

Reported in EPA TSCA Inventory.

SAFETY PROFILE：

Mildly toxic by inhalation. When heated to decomposition it emits very toxic fumes of Cl⁻ and F⁻. Used as a refrigerant. See also Fluorides.Safety information of 1,1,1,2-Tetrachloro-2,2-difluoroethane (CAS NO.76-11-9):
Hazard Codes:  N,Xi
Risk Statements 
59 Dangerous for the ozone layer
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements 
59 Refer to manufacturer/supplier for information on recovery/recycling
37/39 Wear suitable gloves and eye/face protection
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice

Standards and Recommendations：

OSHA PEL: TWA 500 ppm
ACGIH TLV: TWA 500 ppm
DFG MAK: 1000 ppm (8500 mg/m³)
NIOSH REL: (1,1,1,2-Tetrachloro-2,2-difluoroethane) TWA 500 ppm

Analytical Methods：