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MSDS  : Ketene
CAS  : 463-51-4
SYNONYMS  : * Carbomethene * Ethenone * Ketene * Keto-ethylene
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : OA7700000
CHEMICAL NAME : Ketene
CAS REGISTRY NUMBER : 463-51-4
LAST UPDATED : 199712
DATA ITEMS CITED : 30
MOLECULAR FORMULA : C2-H2-O
MOLECULAR WEIGHT : 42.04
WISWESSER LINE NOTATION : OCU1
SYNONYMS/TRADE NAMES :
* Carbomethene
* Ethenone
* Ketene
* Keto-ethylene

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 23 ppm/30M
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,209,1949

TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Primate - monkey
DOSE/DURATION : 200 ppm/10M
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,209,1949

TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 750 ppm/10M
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,209,1949

TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 53 ppm/2H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,209,1949

TYPE OF TEST : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 53 ppm/2H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
Lungs, Thorax, or Respiration - other changes
REFERENCE :
JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA)
V.18-31, 1936-49. For publisher information, see AEHLAU.
Volume(issue)/page/year: 31,209,1949

*** REVIEWS ***

ACGIH TLV-STEL 2.6 mg/m3 (1.5 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 0.86 mg/m3 (0.5 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 0.5 ppm (0.9 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:
3,143,1971

OSHA PEL (Gen Indu):8H TWA 0.5 ppm (0.9 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 0.5 ppm (0.9 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 0.5 ppm (0.9 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 0.5 ppm (0.9 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 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-AUSTRALIA:TWA 0.5 ppm (0.9 mg/m3);STEL 1.5 ppm (3 mg/m3) JAN 1993

OEL-BELGIUM:TWA 0.5 ppm (0.89 mg/m3);STEL 1.5 ppm (2.6 mg/m3) JAN 1993

OEL-DENMARK:TWA 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-FINLAND:STEL 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-FRANCE:TWA 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-GERMANY:TWA 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-THE NETHERLANDS:TWA 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-THE PHILIPPINES:TWA 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-SWITZERLAND:TWA 0.5 ppm (0.9 mg/m3);STEL 1 ppm (1.8 mg/m3) JAN 1993

OEL-TURKEY:TWA 0.5 ppm (0.9 mg/m3) JAN 1993

OEL-UNITED KINGDOM:TWA 0.5 ppm (0.9 mg/m3);STEL 1.5 ppm 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 KETENE-air:10H TWA 0.5 ppm;STEL 1.5 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 - 41840
No. of Facilities: 33 (estimated)
No. of Industries: 1
No. of Occupations: 1
No. of Employees: 66 (estimated)

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998


*** END OF RECORD ***
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