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1308-38-9

1308-38-9 structure
1308-38-9 structure

Name dichromium trioxide
Synonyms Chromium oxide
Chromium(III) oxide,amorphous powder
Chromium(III) Oxide
Chromium sesquioxide
MFCD00010949
EINECS 215-160-9
Chromium Oxide Green
Density 5.21
Boiling Point 4000 °C
Melting Point 2435 °C
Molecular Formula Cr2O3
Molecular Weight 151.990
Flash Point 3000°C
Exact Mass 151.865768
Index of Refraction 2.551
Stability Stable.
Water Solubility Insoluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB6475000
CAS REGISTRY NUMBER :
1308-38-9
LAST UPDATED :
199712
DATA ITEMS CITED :
30
MOLECULAR FORMULA :
Cr2-O3
MOLECULAR WEIGHT :
152.00
WISWESSER LINE NOTATION :
CR2 O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
150 mg/m3/4H/6W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - emphysema Blood - pigmented or nucleated red blood cells Blood - changes in leukocyte (WBC) count
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
90 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Kidney, Ureter, Bladder - Kidney tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intrapleural
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
45 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intratracheal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
90 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
50 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 169,159,1986 *** 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-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 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: 23,205,1980 IARC Cancer Review:Animal 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: 49,49,1990 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: 23,205,1980 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: 49,49,1990 IARC Cancer Review:Group 3 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 TOXICOLOGY REVIEW FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 9,105,1971 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Cr,22,1974 *** 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 OSHA PEL (Gen Indu):8H TWA 0.5 mg(Cr)/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):8H TWA 0.5 mg(Cr)/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):8H TWA 0.5 mg(Cr)/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):8H TWA 0.5 mg(Cr)/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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2273 No. of Facilities: 3141 (estimated) No. of Industries: 49 No. of Occupations: 66 No. of Employees: 42380 (estimated) NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T0962 No. of Facilities: 288 (estimated) No. of Industries: 7 No. of Occupations: 26 No. of Employees: 8322 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T0962 No. of Facilities: 7613 (estimated) No. of Industries: 87 No. of Occupations: 56 No. of Employees: 88897 (estimated) No. of Female Employees: 11984 (estimated)
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes C
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany -
RTECS GB6475000
HS Code 2819900000
HS Code 2819900000