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MSDS  : Oxygen difluoride
CAS  : 7783-41-7
SYNONYMS  : * Fluorine monoxide * Fluorine oxide * Oxygen difluoride * Oxygen fluoride
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : RS2100000
CHEMICAL NAME : Oxygen difluoride
CAS REGISTRY NUMBER : 7783-41-7
LAST UPDATED : 199712
DATA ITEMS CITED : 20
MOLECULAR FORMULA : F2-O
MOLECULAR WEIGHT : 54.00
WISWESSER LINE NOTATION : O F2
COMPOUND DESCRIPTOR : Human
SYNONYMS/TRADE NAMES :
* Fluorine monoxide
* Fluorine oxide
* Oxygen difluoride
* Oxygen fluoride

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Human
DOSE/DURATION : 500 ppb
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - chronic pulmonary edema
REFERENCE :
34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
Academic Press, Inc., 1969 Volume(issue)/page/year: -,444,1969

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2600 ppb/1H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
REFERENCE :
AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical
Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
Volume(issue)/page/year: TR-70-77,1970

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1500 ppb/1H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
REFERENCE :
AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical
Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
Volume(issue)/page/year: TR-70-77,1970

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 26 ppm/1H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
REFERENCE :
AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical
Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
Volume(issue)/page/year: TR-70-77,1970

TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Primate - monkey
DOSE/DURATION : 26 ppm/1H
TOXIC EFFECTS :
Behavioral - muscle weakness
Lungs, Thorax, or Respiration - chronic pulmonary edema
Gastrointestinal - nausea or vomiting
REFERENCE :
AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical
Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433)
Volume(issue)/page/year: TR-70-77,1970

*** REVIEWS ***

ACGIH TLV-CL 0.11 mg/m3 (0.05 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 0.05 ppm (0.1 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:
3,193,1971

OSHA PEL (Gen Indu):8H TWA 0.05 ppm (0.1 mg/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 0.05 ppm (0.1 mg/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 0.05 ppm (0.1 mg/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 0.05 ppm (0.1 mg/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 0.05 ppm (0.1 mg/m3) JAN 1993

OEL-DENMARK:TWA 0.05 ppm (0.1 mg/m3) JAN 1993

OEL-FINLAND:STEL 0.05 ppm (0.1 mg/m3) JAN 1993

OEL-THE NETHERLANDS:TWA 0.05 ppm (0.1 mg/m3) JAN 1993

OEL-THE PHILIPPINES:TWA 0.05 ppm (0.1 mg/m3) JAN 1993

OEL-SWITZERLAND:TWA 0.05 ppm (0.1 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 OXYGEN DIFLUORIDE-air:CL 0.05 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


*** END OF RECORD ***
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