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Tungsten carbide

RTECS #: YO7250000

CAS #: 12070-12-1


UPDATE: May 2009 MW: 195.86 MF: CW


NOTE:

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

SYNONYMS:

  1. NCI C61198
  1. Tungsten monocarbide


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
DNA damage human leukocyte 10 mg/L MUREAV 392,31,1997
micronucleus test human leukocyte 50 mg/L MUREAV 392,31,1997
other mutation test systems human leukocyte 6 mg/L/24 hour TXAPA9 227,299,2008


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
intratracheal
rat
lowest published toxic dose: 200 mg/kg Lung, Thorax, or Respiration: Fibrosis, focal (pneumoconiosis) HBTME* -,871,2007


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 5 mg( week)/m3;short term exposure limit 10 mg( week)/m3 DTLVS* TLV/BEI,2007
TOXICOLOGY REVIEW
MUTAEX 15,431,2000
TOXICOLOGY REVIEW
HBTME* ,871,2007


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE

Mine Safety and Health Administration (MSHA) STANDARD - air time-weighted average 5 mg( week)/m3 DTLVS* 3,272,1971
Occupational Exposure Limit - AUSTRALIA time-weighted average 5 mg( week)/m3, short term exposure limit 10 mg( week)/m3, JUL2008
Occupational Exposure Limit - BELGIUM time-weighted average 5 mg( week)/m3, short term exposure limit 10 mg( week)/m3, MAR2002
Occupational Exposure Limit - FINLAND time-weighted average 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - NEW ZEALAND time-weighted average 1 mg( week)/m3, JAN2002
Occupational Exposure Limit - NORWAY time-weighted average 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - THE PHILIPPINES time-weighted average 1 mg( week)/m3, JAN1993
Occupational Exposure Limit - POLAND MAC(time-weighted average) 5 mg( week)/m3, JAN1999
Occupational Exposure Limit - RUSSIA time-weighted average 6 mg/m3, JUN2003
Occupational Exposure Limit - SWEDEN time-weighted average 5 mg( week)/m3, JUN2005
Occupational Exposure Limit - SWITZERLAND MAK- week 5 mg( week)/m3, DEC2006
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

time-weighted average 5 mg( week)/m3;
short term exposure limit 10 mg( week)/m3
Occupational Exposure Limit IN SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
time-weighted average 5 mg( week)/m3;
short term exposure limit 10 mg( week)/m3


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CEMENTED TUNGSTEN CARBIDE-air 10 hour time-weighted average 0.1 mg(Co)/m3 NIOSH* DHHS #92-100,1992
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO TUNGSTEN, insoluble-air time-weighted average 5 mg( week)/m3;
short term exposure limit 10 mg/m3
NIOSH* DHHS #92-100,1992
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO CEMENTED TUNGSTEN CARBIDE-air 10 hour time-weighted average 0.015 mg/m3 NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X2977;
Number of Industries 4;
Total Number of Facilities 158;
Number of Occupations 7;
Total Number of Employees Exposed 3,395;
Total Number of Female Employees Exposed 297


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE

EPA TSCA Section 8(b) CHEMICAL INVENTORY
Used as coatings
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001


REFERENCES:

CODEN
REFERENCE

DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
HBTME*
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964-
MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1986-
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959-

Used as coatings

RTECS Compound Description:
   Mutagen
   Human Data

Click Here for Additional Information about RTECS

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