HYDROGEN SELENIDE
Names
[ CAS No. ]:
7783-07-5
[ Name ]:
HYDROGEN SELENIDE
[Synonym ]:
Selenium dihydride
HYDROGEN SELENIDE
SELANE
EINECS 231-978-9
Chemical & Physical Properties
[ Density]:
2.12
[ Boiling Point ]:
-41.3ºC
[ Melting Point ]:
-65.73ºC
[ Molecular Formula ]:
H2Se
[ Molecular Weight ]:
80.976
[ Exact Mass ]:
81.932175
[ Stability ]:
Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with oxidizing agents, acids, water, halogenated hydrocarbons.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- MX1050000
- CHEMICAL NAME :
- Hydrogen selenide
- CAS REGISTRY NUMBER :
- 7783-07-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 27
- MOLECULAR FORMULA :
- H2-Se
- MOLECULAR WEIGHT :
- 80.98
- WISWESSER LINE NOTATION :
- H2 SE
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 20 mg/m3/1H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 17,171,1980
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 300 ppb/8H
- REFERENCE :
- 34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969 Volume(issue)/page/year: -,320,1969 *** REVIEWS *** ACGIH TLV-TWA 0.16 mg/m3 (0.05 ppm) 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 CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 5,175,1972 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 *** OSHA PEL (Gen Indu):8H TWA 0.05 ppm (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 0.05 ppm (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 0.05 ppm 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 0.05 ppm (0.2 mg/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-AUSTRALIA:TWA 0.05 ppm (0.2 mg/m3) JAN 1993 OEL-BELGIUM:TWA 0.05 ppm (0.16 mg/m3) JAN 1993 OEL-DENMARK:TWA 0.01 ppm (0.05 mg/m3) JAN 1993 OEL-FINLAND:STEL 0.01 ppm (0.03 mg/m3) JAN 1993 OEL-FRANCE:TWA 0.02 ppm (0.08 mg/m3) JAN 1993 OEL-GERMANY:TWA 0.05 ppm (0.2 mg/m3) JAN 1993 OEL-JAPAN:TWA 0.05 ppm (0.17 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 0.05 ppm (0.2 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 0.05 ppm (0.2 mg/m3) JAN 1993 OEL-RUSSIA:TWA 0.05 ppm JAN 1993 OEL-SWEDEN:TWA 0.01 ppm (0.03 mg/m3);STEL 0.05 ppm (0.2 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 0.05 ppm (0.17 mg/m3);STEL 0.1 ppm JAN 1993 OEL-TURKEY:TWA 0.05 ppm (0.2 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 0.05 ppm (0.2 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO HYDROGEN SELENIDE-air:10H TWA 0.05 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992
Safety Information
[ RIDADR ]:
UN 2202
[ Hazard Class ]:
2.3