The Registry of Toxic Effects of Chemical Substances

Tantalum

RTECS #: WW5505000

CAS #: 7440-25-7

UPDATE: November 2004 MW: 180.95 MF: Ta


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. TUMORIGENIC 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. Tantalum - 181
  1. Tantalum, metal (ACGIH:OSHA)


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
implant
rat 		lowest published toxic dose: 3,760 mg/kg Tumorigenic: Equivocal tumorigenic agent by RTECS criteria

Tumorigenic: Tumors at site of application 		CNREA8 16,439,1956


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM 		DOSE
EFFECT

 REFERENCE
oral
mouse 		lethal dose (50 percent kill): 595 mg/kg N/R VCVN5* -,147,1993


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(Ta)/m3 DTLVS* TLV/BEI,2003


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE
Mine Safety and Health Administration (MSHA) STANDARD - air time-weighted average 5 mg/m3 DTLVS* 3,243,1971
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 5 mg/m3 CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 5 mg/m3 CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 5 mg/m3 CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) 8 hour time-weighted average 5 mg/m3 CFRGBR 41,50-204.50,1994
Occupational Exposure Limit - ARAB Republic of Egypt time-weighted average 0.1 mg/m3, JAN1993
Occupational Exposure Limit - AUSTRALIA time-weighted average 5 mg/m3, JAN1993
Occupational Exposure Limit - AUSTRIA MAK 5 mg/m3, JAN1999
Occupational Exposure Limit - BELGIUM time-weighted average 5 mg/m3, JAN1993
Occupational Exposure Limit - DENMARK time-weighted average 5 mg/m3, JAN1999
Occupational Exposure Limit - FINLAND time-weighted average 5 mg/m3, JAN1999
Occupational Exposure Limit - FRANCE VME 5 mg/m3, JAN1993
Occupational Exposure Limit - GERMANY MAK 5 mg/m3, JAN1999
Occupational Exposure Limit - THE NETHERLANDS MAC-TGG 5 mg/m3, 2003
Occupational Exposure Limit - THE PHILIPPINES time-weighted average 5 mg/m3, JAN1993
Occupational Exposure Limit - POLAND MAC(time-weighted average) 5 mg/m3, JAN1999
Occupational Exposure Limit - RUSSIA short term exposure limit 10 mg/m3, JAN1993
Occupational Exposure Limit - SWITZERLAND MAK- week 5 mg/m3, JAN1999
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 5 mg/m3, short term exposure limit 10 mg/m3, SEP2000
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN, KOREA American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value;

time-weighted average 5 mg(Ta)/m3
Occupational Exposure Limit IN NEW ZEALAND, SINGAPORE, VIETNAM American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value
time-weighted average 5 mg(Ta)/m3


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO TANTALUM, metal/oxide dust-air time-weighted average 5 mg/m3;
short term exposure limit 10 mg/m3 		NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: 71095;
Number of Industries 2;
Total Number of Facilities 28;
Number of Occupations 5;
Total Number of Employees Exposed 597
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X2923;
Number of Industries 1;
Total Number of Facilities 26;
Number of Occupations 3;
Total Number of Employees Exposed 518;
Total Number of Female Employees Exposed 155
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X4238;
Number of Industries 1;
Total Number of Facilities 2;
Number of Occupations 1;
Total Number of Employees Exposed 35;
Total Number of Female Employees Exposed 21
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: X5917;
Number of Industries 1;
Total Number of Facilities 3;
Number of Occupations 1;
Total Number of Employees Exposed 400;
Total Number of Female Employees Exposed 400
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 71095;
Number of Industries 13;
Total Number of Facilities 275;
Number of Occupations 13;
Total Number of Employees Exposed 7,063;
Total Number of Female Employees Exposed 1,255


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE
EPA TSCA Section 8(b) CHEMICAL INVENTORY
Used in electric capacitors, rectifiers, chemical equipment, body implants
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)
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941-
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.
VCVN5* "Vrednie chemichescie veshestva. Neorganicheskie soedinenia elementov V-VII groopp" (Hazardous substances. Inornanic substances containing V-VII group elements), Bandman A.L. et al., Chimia, 1989.

Used in electric capacitors, rectifiers, chemical equipment, body implants

RTECS Compound Description:
   Tumorigen

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