The Registry of Toxic Effects of Chemical Substances

Magnesium (II) carbonate (1:1)

RTECS #: OM2470000

CAS #: 546-93-0

UPDATE: November 2004 MW: 84.32 MF: CO3•Mg


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. REVIEWS:
  3. STANDARDS AND REGULATIONS:
  4. NIOSH DOCUMENTATION AND SURVEILLANCE:
  5. STATUS IN FEDERAL AGENCIES:
  6. 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
N/R
 N/R N/R N/R


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

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


REVIEWS:

ORGANIZATION STANDARD
REFERENCE
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value time-weighted average 10 mg/m3 (E) DTLVS* TLV/BEI,2003


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 10 mg/m3, JAN1993
Occupational Exposure Limit - BELGIUM time-weighted average 10 mg/m3, JAN1993
Occupational Exposure Limit - FRANCE VME 10 mg/m3, JAN1999
Occupational Exposure Limit - NORWAY time-weighted average 0.6 mg(F)/m3, JAN1999
Occupational Exposure Limit - RUSSIA short term exposure limit 10 mg/m3, JAN1993
Occupational Exposure Limit - SWITZERLAND MAK- week 6 mg/m3, JAN1999
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 10 mg/m3, total inhalable dust, SEP2000
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 4 mg/m3, respirable dust, SEP2000
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 10 mg/m3, 2003
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

time-weighted average 10 mg/m3 (E)
Occupational Exposure Limit IN NEW ZEALAND, SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
time-weighted average 10 mg/m3 (E)


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)
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
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.

RTECS Compound Description:
   Agricultural Chemical

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