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Magnesium (II) carbonate (1:1)

RTECS #: OM2470000

CAS #: 546-93-0

UPDATE: May 2009 MW: 84.32 MF: CO3•Mg


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. ACUTE TOXICITY DATA:
  3. OTHER MULTIPLE DOSE DATA:
  4. STANDARDS AND REGULATIONS:
  5. NIOSH DOCUMENTATION AND SURVEILLANCE:
  6. STATUS IN FEDERAL AGENCIES:
  7. REFERENCES:

SYNONYMS:

  1. Apolda
  2. C.I. 77713
  3. Carbonate magnesium
  4. Carbonic acid, magnesium salt
  5. DCI light magnesium carbonate
  6. Destab
  7. GP 20 (carbonate)
  8. Gold Star (carbonate)
  1. Hydromagnesite
  2. Kimboshi
  3. MA 70 (carbonate)
  4. Magmaster
  5. Magnesite
  6. Magnesite (ACGIH:OSHA)
  7. Stan - mag magnesium carbonate


SKIN AND EYE IRRITATION DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


MUTATION DATA AND REFERENCES:

SYSTEM TEST ROUTE/
ORGANISM/
TISSUE 		DOSE REFERENCE
N/R N/R N/R N/R


REPRODUCTIVE EFFECTS DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


TUMORIGENIC DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
N/R
 N/R N/R N/R


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
inhalation
rat 		lowest published toxic concentration: 76 mg/m3/4 hour 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/m3/4 hour 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): 1,033 mg/kg N/R TOVEFN (2),29,1997
oral
mouse 		lethal dose (50 percent kill): 7,000 mg/kg N/R TOVEFN (2),29,1997
oral
rat 		lethal dose (50 percent kill): 8,000 mg/kg N/R TOVEFN (2),29,1997


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
unreported route
mammal (species unspecified) 		lowest published toxic dose: 18,000 mg/kg/7 day- intermittent Gastrointestinal: Other changes

Related to Chronic Data: Death in the "MULTIPLE DOSE" data type field 		TOVEFN (2),29,1997


REVIEWS:

ORGANIZATION STANDARD
REFERENCE
N/R N/R N/R


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE
Mine Safety and Health Administration (MSHA) STANDARD NUISANCE PARTICULATES DTLWS* 3,21,1973
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 15 mg/m3, total dust CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 5 mg/m3, respirable fraction CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 15 mg/m3, total dust CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 5 mg/m3, respirable fraction CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 15 mg/m3, total dust CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 5 mg/m3, respirable fraction CFRGBR 29,1915.1000,1993
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 - THE NETHERLANDS MAC-TGG 10 mg/m3, 2003
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 - RUSSIA short term exposure limit 10 mg/m3, JUN2003
Occupational Exposure Limit - SWITZERLAND MAK- week 3 mg/m3, DEC2006
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 10 mg/m3 (inhalable), 2005
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 4 mg/m3 (respirable), 2005
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

Occupational Exposure Limit IN SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO MAGNESITE, respirable fraction-air 10 hour 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 10 hour time-weighted average 10 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 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 11,547
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: 80144;
Number of Industries 81;
Total Number of Facilities 8,724;
Number of Occupations 92;
Total Number of Employees Exposed 104,149
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 80144;
Number of Industries 134;
Total Number of Facilities 19,943;
Number of Occupations 128;
Total Number of Employees Exposed 348,034;
Total Number of Female Employees Exposed 53,547


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001


REFERENCES:

CODEN
REFERENCE
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402)
DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8.
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.
TOVEFN Toksikologicheskii Vestnik. (18-20 Vadkovskii per. Moscow, 101479, Russia) History Unknown

RTECS Compound Description:
   Agricultural Chemical
   Drug

ALT CAS #: 1784-39-0
ALT CAS #: 183480-27-5
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