Diselenide, diethyl cas no:628-39-7

NameDiselenide, diethyl
CAS628-39-7
SynonymsEthyldiselenide (6CI,7CI,8CI); Diethyl diselenide
EINECS(EC#)211-042-6
Molecular FormulaC4H10 Se2
Molecular Weight216.06

AppearanceRed liquid
refractive index1.476825
storage tempbelow 5° C

Risk 23/25-33-50/53
Safety

A poison by ingestion and skin contact. Low toxicity by inhalation. A moderate eye irritant. When heated to decomposition it emits toxic vapors of Se.
Risk Statements: 23/25-33-50/53
R23/25: Toxic by inhalation and if swallowed. 
R33: Danger of cumulative effects. 
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 20/21-28-45
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: 3283

1.		eye-rbt 100 µL/24H MOD		NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0555235 .
2.		orl-rat LD50:90 mg/kg		NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0555235 .
3.		ihl-rat LCLo:2200 mg/m3/45M		NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0555235 .
4.		skn-rbt LCLo:8600 µg/kg		NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) OTS0555235 .