HYDROGEN SELENIDE

Modify Date: 2025-08-20 11:48:43

HYDROGEN SELENIDE Structure
HYDROGEN SELENIDE structure
Common Name HYDROGEN SELENIDE
CAS Number 7783-07-5 Molecular Weight 80.976
Density 2.12 Boiling Point -41.3ºC
Molecular Formula H2Se Melting Point -65.73ºC
MSDS N/A Flash Point N/A

 Names

Name selane
Synonym More Synonyms

 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
InChIKey SPVXKVOXSXTJOY-UHFFFAOYSA-N
SMILES [SeH2]
Stability Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with oxidizing agents, acids, water, halogenated hydrocarbons.

 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

 Synonyms

Selenium dihydride
HYDROGEN SELENIDE
SELANE
EINECS 231-978-9
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