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Registry of Toxic Effects of Chemical Substances (RTECS)

Sodium borate, pentahydrate

RTECS #

VZ2540000

CAS #

12179-04-3

Updated

September 201

Molecular Weight

291.35

Molecular Formula

B4O7·2Na·5H2O

Synonyms

Borates, tetra, sodium salt, pentahydrate (ACGIH)
Borates, tetra, sodium salts (pentahydrate)
Boric acid(H2B4O7), disodium salt, pentahydrate
Boron sodium oxide(B4Na2O7), pentahydrate
Sodium tetraborate pentahydrate

Skin and Eye Irritation and References

Route/OrganismDoseEffectReference
eye /rabbit 100 mg severeNTIS** OTS0536624

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 2 mg/m3;short term exposure limit 6 mg/m3 (inhal)DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-Not classifiable as a human carcinogenDTLVS* TLV/BEI,2013

Standards and Regulations

OrganizationStandardReference
Environmental Protection Agency (EPA) Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) 1998 STATUS OF PESTICIDESRED CompletedRBREV* -,91,1998
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 1 mg/m3, JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 2 mg/m3, short term exposure limit 6 mg/m3, MAR2002
Occupational Exposure Limit-DENMARKtime-weighted average 1 mg/m3, MAY2011
Occupational Exposure Limit-FINLANDtime-weighted average 0.5 mg(B)/m3, NOV2011
Occupational Exposure Limit-FRANCEVME 1 mg/m3, FEB2006
Occupational Exposure Limit-GERMANYMAK 5 mg/m3, inhal, 2011
Occupational Exposure Limit-KOREAtime-weighted average 1 mg/m3, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 1 mg/m3, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 1 mg/m3, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 1 mg/m3, JAN1999
Occupational Exposure Limit-PERUtime-weighted average 1 mg/m3, JUL2005
Occupational Exposure Limit-SWITZERLANDceiling concentration 1 mg/m3, inhal, JAN2011
Occupational Exposure Limit-THE NETHERLANDSMAC-TGG 1 mg/m3, 2003
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 1 mg/m3, OCT2007

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Occupational Exposure Survey 1983Hazard Code X9788; Number of Industries 8; Total Number of Facilities 499; Number of Occupations 4; Total Number of Employees Exposed 8315; Total Number of Female Employees Exposed 5763

Status in Federal Agencies

OrganizationReference
On EPA IRIS database

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