Dimethylselenide
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Names
[ CAS No. ]:
593-79-3
[ Name ]:
Dimethylselenide
[Synonym ]:
dimethyl selenide
Methyl selenide (8CI)
(Methylselanyl)methane
Dimethylselenium
methylselanylmethane
MFCD00014848
Methane, 1,1'-selenobis-
EINECS 209-807-4
Dimethylselenide
Chemical & Physical Properties
[ Density]:
1.408 g/mL at 20 °C(lit.)
[ Boiling Point ]:
49.8±9.0 °C at 760 mmHg
[ Molecular Formula ]:
C2H6Se
[ Molecular Weight ]:
109.029
[ Flash Point ]:
-16.1±18.7 °C
[ Exact Mass ]:
109.963470
[ LogP ]:
0.30
[ Vapour Pressure ]:
307.5±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.49
[ Storage condition ]:
2-8°C
[ Stability ]:
Stable. Hydrolyzes in water. Reactions with acid or strong oxidizing agents are dangerous.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- VS6880000
- CHEMICAL NAME :
- Selenide, dimethyl-
- CAS REGISTRY NUMBER :
- 593-79-3
- BEILSTEIN REFERENCE NO. :
- 1696848
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 26
- MOLECULAR FORMULA :
- C2-H6-Se
- MOLECULAR WEIGHT :
- 109.04
- WISWESSER LINE NOTATION :
- 1-SE-1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 79,230,1952
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2180 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - effect, not otherwise specified
- REFERENCE :
- ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 45,207,1980
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 79,230,1952 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Se)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Se,112,1976 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 mg(Se)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,224,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV
Safety Information
[ Symbol ]:
GHS06, GHS08, GHS09
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H301-H331-H373-H410
[ Precautionary Statements ]:
P261-P273-P301 + P310-P311-P501
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
[ Hazard Codes ]:
T: Toxic;N: Dangerous for the environment;
[ Risk Phrases ]:
R23/25
[ Safety Phrases ]:
S20/21-S28-S45-S60-S61
[ RIDADR ]:
UN 3282 6.1/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
VS6880000
[ Packaging Group ]:
III
[ Hazard Class ]:
3
Synthetic Route
Articles
PLoS ONE 9(7) , e102906, (2014)
Biomethylation and volatilization of trace elements may contribute to their redistribution in the environment. However, quantification of volatile, methylated species in the environment is complicated...
J. Chromatogr. A. 1095(1-2) , 138-44, (2005)
Dimethylselenide (DMSe) and dimethyldiselenide (DMDSe) were determined in plant and water samples by capillary gas chromatography using microwave induced-plasma atomic emission spectrometry for detect...
Biol. Trace Elem. Res. 139(2) , 188-96, (2011)
L-selenomethionine (SeMet) and sodium selenite are widely used selenium nutritional supplements with potential benefit in preventing cancer. However, supplementation is not without risks of toxicity i...