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Registry of Toxic Effects of Chemical Substances (RTECS)

Silicic acid, calcium salt

RTECS #

VV9150000

CAS #

1344-95-2; 59787-14-3

Updated

September 2013

Molecular Weight

N/R

Molecular Formula

N/R

Synonyms

Calcium hydrosilicate
Calcium monosilicate
Calcium polysilicate
Calcium silicate (OSHA)
Calcium silicate (synthetic)
Calcium silicate, synthetic nonfibrous (ACGIH)
Calflo E
Calsil
CS lafarge
Florite R
Marimet 45
Microcal 160
Microcal ET
Micro-cel
Micro-cel A
Micro-cel B
Micro-cel C
Micro-cel E
Micro-cel T
Micro-cel T26
Micro-cel T38
Micro-cel T41
Promaxon P60
Silene EF
Silmos T
Solex
Stabinex NW 7PS
Starlex L
SW 400
Toyofine A

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 10 mg/m3DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-Not classifiable as a human carcinogenDTLVS* TLV/BEI,2013
TOXICOLOGY REVIEWIJTOFN 22,37,2003

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-BELGIUMtime-weighted average 10 mg/m3, MAR2002
Occupational Exposure Limit-KOREAtime-weighted average 10 mg/m3, 2006
Occupational Exposure Limit-MEXICOtime-weighted average 10 mg/m3 (inhalable), 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 10 mg/m3 (inspirable dust), JAN2002
Occupational Exposure Limit-PERUtime-weighted average 10 mg/m3, JUL2005
Occupational Exposure Limit-SWITZERLANDMAK-week 3 mg/m3, resp, JAN2011
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 10 mg/m3 (inhal. dust), OCT2007
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 4 mg/m3 (resp. dust), OCT2007
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 15 mg/m3, total dustCFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 5 mg/m3, respirable fractionCFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 15 mg/m3, total dustCFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 5 mg/m3, respirable fractionCFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 15 mg/m3, total dustCFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 5 mg/m3, respirable fractionCFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CALCIUM SILICATE, respirable fraction-airtime-weighted average 5 mg/m3NIOSH* DHHS #95-121,1995
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CALCIUM SILICATE, total dust-air10H time-weighted average 10 mg/m3NIOSH* DHHS #95-121,1995
National Occupational Exposure Survey 1983Hazard Code X1322; Number of Industries 83; Total Number of Facilities 6757; Number of Occupations 65; Total Number of Employees Exposed 103864; Total Number of Female Employees Exposed 16592

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
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