Magnesium(II) carbonate (1:1)
RTECS #
OM2470000
CAS #
Updated
July 2013
Molecular Weight
84.32
Molecular Formula
CO3·Mg
Synonyms
Apolda
C.I. 77713
Carbonate magnesium
Carbonic acid, magnesium salt
DCI light magnesium carbonate
Destab
Gold Star (carbonate)
GP 20 (carbonate)
Hydromagnesite
Kimboshi
MA 70 (carbonate)
Magmaster
Magnesite
Magnesite (ACGIH:OSHA)
Stan-mag magnesium carbonate
C.I. 77713
Carbonate magnesium
Carbonic acid, magnesium salt
DCI light magnesium carbonate
Destab
Gold Star (carbonate)
GP 20 (carbonate)
Hydromagnesite
Kimboshi
MA 70 (carbonate)
Magmaster
Magnesite
Magnesite (ACGIH:OSHA)
Stan-mag magnesium carbonate
Acute Toxicity Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| inhalation/rat | lowest published toxic concentration: 76 mg/m3/4H | Cardiac: Pulse rate increased without fall in BP Liver: Liver function tests impaired Kidney, Ureter, and Bladder: Other changes in urine composition | TOVEFN (2),29,1997 |
| inhalation/rat | lowest published toxic concentration: 76 mg/m3/4H | Blood: Changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Phosphatases | TOVEFN (2),29,1997 |
| intraperitoneal/mouse | lethal dose (50 percent kill): 1033 mg/kg | TOVEFN (2),29,1997 | |
| oral/mouse | lethal dose (50 percent kill): 7000 mg/kg | TOVEFN (2),29,1997 | |
| oral/rat | lethal dose (50 percent kill): 8000 mg/kg | TOVEFN (2),29,1997 |
Other Multiple Dose Data and References
| Route/Organism | Dose | Effect | Reference |
|---|---|---|---|
| unreported route/mammal (species unspecified) | lowest published toxic dose: 18000 mg/kg/7D- intermittent | Gastrointestinal: Other changes Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field | TOVEFN (2),29,1997 |
Standards and Regulations
| Organization | Standard | Reference |
|---|---|---|
| Mine Safety and Health Administration (MSHA) STANDARD | NUISANCE PARTICULATES | DTLWS* 3,21,1973 |
| Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; | ||
| Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV | ||
| Occupational Exposure Limit-AUSTRALIA | time-weighted average 2.5 mg(F)/m3, JUL2008 | |
| Occupational Exposure Limit-BELGIUM | time-weighted average 10 mg/m3, MAR2002 | |
| Occupational Exposure Limit-FRANCE | VME 10 mg/m3, FEB2006 | |
| Occupational Exposure Limit-KOREA | time-weighted average 10 mg/m3, 2006 | |
| Occupational Exposure Limit-MEXICO | time-weighted average 10 mg/m3;short term exposure limit 20 mg/m3 (inhalable), 2004 | |
| Occupational Exposure Limit-NEW ZEALAND | time-weighted average 10 mg/m3 (inspirable dust), JAN2002 | |
| Occupational Exposure Limit-NORWAY | time-weighted average 0.6 mg(F)/m3, JAN1999 | |
| Occupational Exposure Limit-PERU | time-weighted average 10 mg/m3, JUL2005 | |
| Occupational Exposure Limit-RUSSIA | short term exposure limit 10 mg/m3, JUN2003 | |
| Occupational Exposure Limit-SWITZERLAND | MAK-week 3 mg/m3, resp, JAN2011 | |
| Occupational Exposure Limit-THE NETHERLANDS | MAC-TGG 10 mg/m3, 2003 | |
| Occupational Exposure Limit-UNITED KINGDOM | time-weighted average 4 mg/m3 (resp. dust), OCT2007 | |
| Occupational Exposure Limit-UNITED KINGDOM | time-weighted average 10 mg/m3 (inhal. dust), OCT2007 | |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | 8H time-weighted average 15 mg/m3, total dust | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) | 8H time-weighted average 5 mg/m3, respirable fraction | CFRGBR 29,1926.55,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) | 8H time-weighted average 15 mg/m3, total dust | CFRGBR 29,1910.1000,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) | 8H time-weighted average 5 mg/m3, respirable fraction | CFRGBR 29,1910.1000,1994 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | 8H time-weighted average 15 mg/m3, total dust | CFRGBR 29,1915.1000,1993 |
| Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) | 8H time-weighted average 5 mg/m3, respirable fraction | CFRGBR 29,1915.1000,1993 |
NIOSH Documentation and Surveillance
| Organization | Standard | Reference |
|---|---|---|
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO MAGNESITE, respirable fraction-air | 10H time-weighted average 5 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO MAGNESITE, total dust-air | 10H time-weighted average 10 mg/m3 | NIOSH* DHHS #92-100,1992 |
| National Occupational Exposure Survey 1983 | Hazard Code 80144; Number of Industries 134; Total Number of Facilities 19943; Number of Occupations 128; Total Number of Employees Exposed 348034; Total Number of Female Employees Exposed 53547 | |
| National Occupational Hazard Survey 1974 | Hazard Code M2283; Number of Industries 16; Total Number of Facilities 810; Number of Occupations 20; Total Number of Employees Exposed 11547 | |
| National Occupational Hazard Survey 1974 | Hazard Code 80144; Number of Industries 81; Total Number of Facilities 8724; Number of Occupations 92; Total Number of Employees Exposed 104149 |
Status in Federal Agencies
| Organization | Reference |
|---|---|
| EPA TSCA Section 8(b) CHEMICAL INVENTORY | |
| EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001 |
Page last reviewed: November 16, 2018
Content
source: National Institute for Occupational Safety and Health