CAS No.:110-43-0

TOXICITY DATA with REFERENCE：

1.		skn-rbt 14 mg/24H open MLD		AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
2.		ipr-rat LD50:800 mg/kg		38MKAJ    Pattys Industrial Hygiene and Toxicology. 2C (1982),4757.
3.		orl-rat TDLo:45,500 mg/kg/13W-I		FCTXAV    Food and Cosmetics Toxicology. 10 (1972),625.
4.		ihl-rat LCLo:4000 ppm/4H		AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
5.		orl-mus LD50:730 mg/kg		APJUA8    Acta Pharmaceutica Jugoslavica. 12 (1962),79.
6.		skn-rbt LD50:12,600 mg/kg		AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.

Consensus Reports：

Reported in EPA TSCA Inventory.

SAFETY PROFILE：

Hazard Codes: Xn
Risk Statements: 22-38-40-48-20/22-10 
R22:Harmful if swallowed. 
R38:Irritating to skin. 
R40:Limited evidence of a carcinogenic effect. 
R48:Danger of serious damage to health by prolonged exposure. 
R20/22:Harmful by inhalation and if swallowed. 
R10:Flammable.
Safety Statements: 36-24/25 
S36:Wear suitable protective clothing. 
S24/25:Avoid contact with skin and eyes.
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 2
RTECS: MJ5250000
HazardClass: 3
PackingGroup: III
HS Code: 29141990
Moderately toxic by ingestion. Mildly toxic by inhalation and skin contact. A skin irritant. A flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use foam, CO₂, dry chemical. When heated to decomposition it emits acrid smoke and fumes. See also KETONES.

Standards and Recommendations：

OSHA PEL: TWA 100 ppm
ACGIH TLV: TWA 50 ppm
NIOSH REL: (Ketones) TWA 465 mg/m³
DOT Classification:  3; Label: Flammable Liquid

Analytical Methods：

For occupational chemical analysis use NIOSH: Ketones II (Desorption in 99:1 CS₂:methanol) 1301.