Lead(2+) dioxido(dioxo)chromium

Modify Date: 2024-01-03 19:36:40

Lead(2+) dioxido(dioxo)chromium Structure
Lead(2+) dioxido(dioxo)chromium structure
Common Name Lead(2+) dioxido(dioxo)chromium
CAS Number 7758-97-6 Molecular Weight 323.19400
Density 6,3 g/cm3 Boiling Point N/A
Molecular Formula CrO4Pb Melting Point 844°C
MSDS Chinese USA Flash Point N/A
Symbol GHS08 GHS09
GHS08, GHS09
Signal Word Danger

 Names

Name lead chromate
Synonym More Synonyms

 Chemical & Physical Properties

Density 6,3 g/cm3
Melting Point 844°C
Molecular Formula CrO4Pb
Molecular Weight 323.19400
Exact Mass 323.89700
PSA 80.26000
Stability Stable. Reacts violently with ferric ferrocyanide.
Water Solubility Insoluble.

 Toxicological Information

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)

 Safety Information

Symbol GHS08 GHS09
GHS08, GHS09
Signal Word Danger
Hazard Statements H350-H360Df-H373-H410
Precautionary Statements P201-P260-P280-P308 + P313
Hazard Codes T:Toxic;N:Dangerousfortheenvironment;
Risk Phrases R33;R40;R50/53;R61;R62
Safety Phrases S53-S45-S60-S61
RIDADR UN 3077 9/PG 3
WGK Germany 3
RTECS GB2975000
Packaging Group III
Hazard Class 6.1

 Articles28

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Homologous recombination repair protects against particulate chromate-induced chromosome instability in Chinese hamster cells.

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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...

 Synonyms

EINECS 231-846-0
Lead(2+) dioxido(dioxo)chromium
Lead(II) chromate
Lead chromate
MFCD00011158
Chromium, diolatodioxo-, lead(2+) salt (1:1)
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