CAS No.:109-92-2

TOXICITY DATA with REFERENCE：

1.		skn-rbt 500 mg open MLD		UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 11/15 ,1971.
2.		sce-ham:ovr 17,900 ppm		ANESAV    Anesthesiology. 50 (1979),426.
3.		orl-rat LD50:6153 mg/kg		AIHAAP    American Industrial Hygiene Association Journal. 30 (1969),470.

Consensus Reports：

Reported in EPA TSCA Inventory.

SAFETY PROFILE：

Hazard Codes: F+,Xi,F
Risk Statements: 12-19-36/37/38 
R12:Extremely flammable. 
R19:May form explosive peroxides. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-23-26-3/7-33-36 
S16:Keep away from sources of ignition. 
S23:Do not breathe vapour. 
S3:Keep in a cool place. 
S7:Keep container tightly closed. 
S33:Take precautionary measures against static discharges. 
S36:Wear suitable protective clothing.
RIDADR: UN 1302 3/PG 1
WGK Germany: 1
RTECS: KO0710000
F: 19
HazardClass: 3
PackingGroup: I
HS Code: 29091900
Mildly toxic by ingestion. Mutation data reported. A skin irritant. A very dangerous fire and explosion hazard when exposed to heat or flame; can react vigorously with oxidizing materials. To fight fire, use alcohol foam, foam, CO₂, dry chemical. Explosive polymerization is catalyzed by methane sulfonic acid. When heated to decomposition it emits acrid smoke and irritating fumes. See also ETHERS.

Standards and Recommendations：

DOT Classification:  3; Label: Flammable Liquid

Analytical Methods：