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Registry of Toxic Effects of Chemical Substances (RTECS)

Silane

RTECS #

VV1400000

CAS #

7803-62-5

Updated

September 201

Molecular Weight

32.13

Molecular Formula

H4Si

Synonyms

Flots 100SCO
Monosilane
Silicane
Silicon tetrahydride
Silicon tetrahydride (ACGIH)

Mutation Data and Reference

System TestRoute/Organism/TissueDoseReference
mutation in microorganisms/Salmonella typhimurium1 pph (+/-enzymatic activation step)MUREAV 307,335,1994

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
inhalation/mouse Lowest published lethal concentration: 9600 ppm/4HAMRL** TR-72-62,1972
inhalation/rat lethal concentration (50 percent kill): 9600 ppm/4HTXAPA9 42,417,1977

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 5 ppmDTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAtime-weighted average 5 ppm (6.6 mg/m3), JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 5 ppm (6.7 mg/m3), MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 0.5 ppm (0.7 mg/m3), MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 0.5 ppm (0.67 mg/m3), short term exposure limit 1.5 ppm (2 mg/m3), NOV2011
Occupational Exposure Limit-FRANCEVME 5 ppm (7 mg/m3), FEB2006
Occupational Exposure Limit-ICELANDtime-weighted average 0.5 ppm (0.7 mg/m3), NOV2011
Occupational Exposure Limit-JAPANceiling concentration 100 ppm (130 mg/m3), MAY2012
Occupational Exposure Limit-KOREAtime-weighted average 5 ppm (7 mg/m3), 2006
Occupational Exposure Limit-MEXICOtime-weighted average 5 ppm (7 mg/m3), 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 5 ppm (6.6 mg/m3), JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.5 ppm (0.7 mg/m3), JAN1999
Occupational Exposure Limit-SWITZERLANDMAK-week 0.5 ppm (0.7 mg/m3), JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 0.7 mg/m3, 2003
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 0.5 ppm (0.67 mg/m3);short term exposure limit 1 ppm (1.3 mg/m3), OCT2007

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO SILICON TETRAHYDRIDE-air10H time-weighted average 5 ppmNIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code 83770; Number of Industries 11; Total Number of Facilities 510; Number of Occupations 17; Total Number of Employees Exposed 25354; Total Number of Female Employees Exposed 2999
National Occupational Hazard Survey 1974Hazard Code 83770; Number of Industries 44; Total Number of Facilities 1732; Number of Occupations 41; Total Number of Employees Exposed 33190

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY

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