*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : RN1140000
CHEMICAL NAME : Osmium tetroxide
CAS REGISTRY NUMBER : 20816-12-0
LAST UPDATED : 199712
DATA ITEMS CITED : 39
MOLECULAR FORMULA : O4-Os
MOLECULAR WEIGHT : 254.20
WISWESSER LINE NOTATION : OS O4
COMPOUND DESCRIPTOR : Drug
Mutagen
Reproductive Effector
Human
SYNONYMS/TRADE NAMES :
* Osmic acid
* Osmium tetroxide
* RCRA waste number P087
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Human - man
DOSE/DURATION : 133 ug/m3
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Sense Organs and Special Senses (Eye) - effect, not otherwise specified
Lungs, Thorax, or Respiration - structural or functional change in trachea
or bronchi
REFERENCE :
BJIMAG British Journal of Industrial Medicine. (British Medical Journal,
Box 560B, Kennebunkport, ME 04046) V.1- 1944- Volume(issue)/page/year:
3,183,1946
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 40 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd.,
San Romon, CA 94583) Volume(issue)/page/year: -,8,1961
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 14100 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd.,
San Romon, CA 94583) Volume(issue)/page/year: -,8,1961
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 162 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd.,
San Romon, CA 94583) Volume(issue)/page/year: -,8,1961
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 40 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd.,
San Romon, CA 94583) Volume(issue)/page/year: -,8,1961
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 13500 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd.,
San Romon, CA 94583) Volume(issue)/page/year: -,8,1961
TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 1316 mg/m3/30M
TOXIC EFFECTS :
Behavioral - coma
Lungs, Thorax, or Respiration - other changes
Kidney, Ureter, Bladder - other changes
REFERENCE :
JIDHAN Journal of Industrial Hygiene. (Cambridge, MA) V.1-17, 1919-35. For
publisher information, see AEHLAU. Volume(issue)/page/year: 15,136,1933
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intratesticular
SPECIES OBSERVED : Rodent - rat
DOSE : 20336 ug/kg
SEX/DURATION : male 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot,
POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960-
Volume(issue)/page/year: 7,21,1964
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE : 20336 ug/kg
SEX/DURATION : male 30 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
sperm morphology, motility, and count)
Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot,
POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960-
Volume(issue)/page/year: 7,21,1964
** MUTATION DATA **
TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Bacillus subtilis
DOSE/DURATION : 5 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 77,109,1980
TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Rodent - hamster Embryo
DOSE/DURATION : 200 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 131,173,1984
*** REVIEWS ***
ACGIH TLV-STEL 0.0047 mg/m3 (0.0006 ppm)
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 0.0016 mg/m3 (0.0002 ppm)
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
*** U.S. STANDARDS AND REGULATIONS ***
MSHA STANDARD-air:TWA 0.002 mg/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:
3,192,1971
OSHA PEL (Gen Indu):8H TWA 0.002 mg(Os)/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 0.002 mg(Os)/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 0.002 mg(Os)/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 0.002 mg(Os)/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-ARAB Republic of Egypt:TWA 0.0002 ppm (0.002 mg/m3) JAN 1993
OEL-AUSTRALIA:TWA 0.0002 ppm (0.002 mg/m3);STEL 0.0006 ppm JAN 1993
OEL-BELGIUM:TWA 0.0002 ppm (0.0016 mg/m3);STEL 0.0006 ppm JAN 1993
OEL-DENMARK:TWA 0.0002 ppm (0.002 mg/m3) JAN 1993
OEL-FINLAND:TWA 0.0002 mg/m3;STEL 0.002 mg/m3 JAN 1993
OEL-FRANCE:TWA 0.0002 ppm (0.002 mg/m3) JAN 1993
OEL-GERMANY:TWA 0.0002 ppm (0.002 mg/m3) JAN 1993
OEL-HUNGARY:TWA 0.002 mg/m3;STEL 0.003 mg/m3 JAN 1993
OEL-THE NETHERLANDS:TWA 0.0002 ppm (0.002 mg/m3) JAN 1993
OEL-THE PHILIPPINES:TWA 0.002 mg/m3 JAN 1993
OEL-SWITZERLAND:TWA 0.0002 ppm (0.002 mg/m3);STEL 0.0004 ppm JAN 1993
OEL-UNITED KINGDOM:TWA 0.0002 ppm (0.002 mg/m3);STEL 0.0006 ppm (0.006
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 OSMIUM TETROXIDE-air:10H TWA 0.0002 ppm;STEL 0.0006 ppm
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 - 52370
No. of Facilities: 195 (estimated)
No. of Industries: 2
No. of Occupations: 2
No. of Employees: 370 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 52370
No. of Facilities: 87 (estimated)
No. of Industries: 2
No. of Occupations: 5
No. of Employees: 1733 (estimated)
No. of Female Employees: 420 (estimated)
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay
EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal
EPA TSCA Section 8(b) CHEMICAL INVENTORY
On EPA IRIS database
*** END OF RECORD ***
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