CAS 7758-97-6|Lead(2+) dioxido(dioxo)chromium

CHEMICAL IDENTIFICATION

RTECS NUMBER :

GB2975000

CAS REGISTRY NUMBER :

7758-97-6

LAST UPDATED :

199712

DATA ITEMS CITED :

54

MOLECULAR FORMULA :

Cr-O4.Pb

MOLECULAR WEIGHT :

323.19

WISWESSER LINE NOTATION :

PB CR-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

>12 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD75 - Lethal Dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

156 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

11250 mg/kg/90D-C

TOXIC EFFECTS :

Behavioral - ataxia Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Related to Chronic Data - death

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

135 mg/kg

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Tumorigenic - tumors at site of application

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

324 mg/kg/39W-I

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors Tumorigenic - tumors at site of application

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

135 mg/kg

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

TYPE OF TEST :

Micronucleus test

MUTATION DATA

TYPE OF TEST :

Mutation in mammalian somatic cells

TEST SYSTEM :

Rodent - hamster Ovary

REFERENCE :

CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 13,2053,1992 *** REVIEWS *** ACGIH TLV-Suspected 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 ACGIH TLV-TWA 0.05 mg/m3, as Pb 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 0.012 mg/m3, as Cr 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:Human Sufficient 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:Human Sufficient 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: 49,49,1990 IARC Cancer Review:Animal Sufficient 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 Sufficient 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: 49,49,1990 IARC Cancer Review:Group 1 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: 49,49,1990 *** U.S. STANDARDS AND REGULATIONS *** OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.05 mg/m3;Carcinogen JAN 1993 OEL-BELGIUM:TWA 0.05 mg/m3;Carcinogen JAN 1993 OEL-FINLAND;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-THE NETHERLANDS:TWA 0.05 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/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 NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO LEAD, INORGANIC-air:10H TWA <0.1 mg(Pb)/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 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81876 No. of Facilities: 12060 (estimated) No. of Industries: 173 No. of Occupations: 87 No. of Employees: 131959 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81876 No. of Facilities: 1628 (estimated) No. of Industries: 33 No. of Occupations: 28 No. of Employees: 31932 (estimated) No. of Female Employees: 8639 (estimated)

Environ. Mol. Mutagen. 44(2) , 156-62, (2004)

Particulate hexavalent chromium [Cr(VI)] compounds are well-established human lung carcinogens. However, their carcinogenic mechanisms are poorly understood as most investigators have used soluble Cr(...

Mutat. Res. 610(1-2) , 2-7, (2006)

Particulate hexavalent chromium (Cr(VI)) is a well-established human lung carcinogen. It is currently a major public health concern, there is widespread exposure to it in occupational settings and to ...

Mutat. Res. 625(1-2) , 145-54, (2007)

Particulate hexavalent chromium [Cr(VI)] compounds are well-established human carcinogens. Cr(VI)-induced tumors are characterized by chromosomal instability (CIN); however, the mechanisms of this eff...