*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : GY1000000
CHEMICAL NAME : 1,3-Cyclopentadiene
CAS REGISTRY NUMBER : 542-92-7
LAST UPDATED : 199712
DATA ITEMS CITED : 31
MOLECULAR FORMULA : C5-H6
MOLECULAR WEIGHT : 66.11
WISWESSER LINE NOTATION : L5 AHJ
SYNONYMS/TRADE NAMES :
* Cyclopentadiene
* Pentole
* Pyropentylene
* R-Pentine
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
Toxicology of New Industrial Chemical Substances. For English translation,
see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961-
Volume(issue)/page/year: 9,27,1967
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 39 gm/m3
TOXIC EFFECTS :
Behavioral - excitement
Behavioral - muscle contraction or spasticity
Behavioral - aggression
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 9(12),13,1965
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
Toxicology of New Industrial Chemical Substances. For English translation,
see TNICS*. (Izdatel'stvo Meditsina, Moscow, USSR) No.1- 1961-
Volume(issue)/page/year: 9,27,1967
TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 14 gm/m3
TOXIC EFFECTS :
Behavioral - excitement
Behavioral - muscle contraction or spasticity
Behavioral - aggression
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 9(12),13,1965
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 350 mg/m3/4H/26W-I
TOXIC EFFECTS :
Blood - normocytic anemia
Blood - changes in erythrocyte (RBC) count
REFERENCE :
GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and
Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
V.1-36, 1957-1992. For publisher information, see MTPEEI
Volume(issue)/page/year: 9(12),13,1965
*** REVIEWS ***
ACGIH TLV-TWA 203 mg/m3 (75 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 75 ppm (200 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: 3,66,1971
OSHA PEL (Gen Indu):8H TWA 75 ppm (200 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 75 ppm (200 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 75 ppm (200 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 75 ppm (200 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-AUSTRALIA:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-AUSTRIA:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-BELGIUM:TWA 75 ppm (203 mg/m3) JAN 1993
OEL-DENMARK:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-FINLAND:TWA 75 ppm (200 mg/m3);STEL 115 ppm (310 mg/m3) JAN 1993
OEL-FRANCE:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-GERMANY:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-HUNGARY:TWA 20 mg/m3;STEL 40 mg/m3 JAN 1993
OEL-THE NETHERLANDS:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-THE PHILIPPINES:TWA 75 ppm (200 mg/m3) JAN 1993
OEL-RUSSIA:STEL 5 mg/m3 JAN 1993
OEL-SWITZERLAND:TWA 75 ppm (200 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 CYCLOPENTADIENE-air:10H TWA 75 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 - 20065
No. of Facilities: 3138 (estimated)
No. of Industries: 19
No. of Occupations: 26
No. of Employees: 18381 (estimated)
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 20065
No. of Facilities: 3 (estimated)
No. of Industries: 1
No. of Occupations: 3
No. of Employees: 51 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NIOSH Analytical Method, 1994: 1,3-Cyclopentadiene, 2523
*** END OF RECORD ***