*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : GF9180000
CHEMICAL NAME : Cobalt alloy, Co,Cr
CAS REGISTRY NUMBER : 11114-92-4
OTHER CAS REGISTRY NOS. : 91700-55-9
LAST UPDATED : 199712
DATA ITEMS CITED : 11
MOLECULAR FORMULA : Co.Cr
MOLECULAR WEIGHT : 110.93
COMPOUND DESCRIPTOR : Tumorigen
SYNONYMS/TRADE NAMES :
* Chromium-cobalt alloy
* Cobalt alloy, nonbase, Co,Cr
* Cobalt-chromium alloy
* DIN 2.4602
* DIN 2.4964
* Hastelloy C
* Haynes 25
* Haynes alloy number 25
* HEV-4
* HS 25
* Kh15N55M16
* Kh15N55M16V
* S 816
* Stellite 8
* Stellite 21
* Stellite 23
* Stellite 25
* Stellite 27
* Stellite 30
* Stellite 36
* Stellite 8A
* Stellite C
* Zimalloy
*** HEALTH HAZARD DATA ***
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 140 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Musculoskeletal - tumors
Tumorigenic - tumors at site of application
REFERENCE :
LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823-
Volume(issue)/page/year: 1,564,1971
*** REVIEWS ***
ACGIH TLV-TWA 0.5 mg(Cr)/m3
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
ACGIH TLV-TWA 0.02 mg(Co)/m3; animal carcinogen
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
ACGIH TLV-Not classifiable as a human carcinogen
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997
IARC Cancer Review:Animal Limited Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 23,205,1980
IARC Cancer Review:Animal Limited Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 52,363,1991
IARC Cancer Review:Human Inadequate Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 52,363,1991
IARC Cancer Review:Group 2B
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 52,363,1991
*** U.S. STANDARDS AND REGULATIONS ***
MSHA STANDARD-air:TWA 1 mg(Cr)/m3
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,35,1971
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO COBALT METAL, dust and fume-air:10H TWA 0.05 mg/m3
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992
*** STATUS IN U.S. ***
NTP 7th Annual Report on Carcinogens, 1992 : known to be carcinogenic
*** END OF RECORD ***