*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GY1225000
CHEMICAL NAME           : 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro-
CAS REGISTRY NUMBER     : 77-47-4
BEILSTEIN REFERENCE NO. : 0976722
REFERENCE               : 4-05-00-00381 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 45
MOLECULAR FORMULA       : C5-Cl6
MOLECULAR WEIGHT        : 272.75
WISWESSER LINE NOTATION : L5 AHJ AG AG BG CG DG EG
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Reproductive Effector
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * C-56
   * Graphlox
   * Hexachlorcyklopentadien
   * Hexachlorocyclopentadiene
   * 1,2,3,4,5,5-Hexachloro-1,3-cyclopentadiene
   * Hexachloro-1,3-cyclopentadiene
   * Hexachlorocyclopentadiene
   * HRS 1655
   * NCI-C55607
   * Perchlorocyclopentadiene
   * RCRA waste number U130
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 10 mg
REACTION SEVERITY       : Severe
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,459,1955
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/4H
REACTION SEVERITY       : Severe
REFERENCE :
   VELPB* Velsicol Chemical Corp., Product Bulletin.  (341 E. Ohio St.,
   Chicago, IL 60611)  Volume(issue)/page/year: #50101-2,1976
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 20 mg/24H
REACTION SEVERITY       : Moderate
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,149,1986
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/5M
REACTION SEVERITY       : Severe
REFERENCE :
   VELPB* Velsicol Chemical Corp., Product Bulletin.  (341 E. Ohio St.,
   Chicago, IL 60611)  Volume(issue)/page/year: #50101-2,1976
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 20 mg
REACTION SEVERITY       : Mild
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,459,1955
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 315 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-437,1994
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 ppb/4H
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   JTEHD6 Journal of Toxicology and Environmental Health.  (Hemisphere Pub.,
   1025 Vermont Ave., NW, Washington, DC 20005)  V.1-    1975/76-
   Volume(issue)/page/year: 9,743,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 505 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAFCAU Journal of Agricultural and Food Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC
   20037)  V.1-    1953-  Volume(issue)/page/year: 23,967,1975
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1500 ppb/7H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   53,497,1980
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 420 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCOC** Pesticide Chemicals Official Compendium, Association of the American
   Pesticide Control Officials, Inc., 1966.  (Topeka, KS)
   Volume(issue)/page/year: -,586,1966
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1500 ppb/7H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   53,497,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 430 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,308,1969
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 3200 ppb/7H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,459,1955
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2470 mg/kg/13W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   JJATDK JAT, Journal of Applied Toxicology.  (John Wiley & Sons Ltd., Baffins
   Lane, Chichester, W. Sussex PO19 1UD, UK)  V.1-    1981-
   Volume(issue)/page/year: 4,75,1984
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 100 ppb/6H/30W-I
TOXIC EFFECTS :
   Endocrine - changes in spleen weight
   Blood - pigmented or nucleated red blood cells
   Blood - changes in erythrocyte (RBC) count
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0539137
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 ppb/6H/2W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - changes in lung weight
   Blood - pigmented or nucleated red blood cells
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   JTEHD6 Journal of Toxicology and Environmental Health.  (Hemisphere Pub.,
   1025 Vermont Ave., NW, Washington, DC 20005)  V.1-    1975/76-
   Volume(issue)/page/year: 9,743,1982
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 400 ppb/6H/13W-I
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Lungs, Thorax, or Respiration - changes in lung weight
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-437,1994
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2470 mg/kg/13W-I
TOXIC EFFECTS :
   Gastrointestinal - other changes
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   JJATDK JAT, Journal of Applied Toxicology.  (John Wiley & Sons Ltd., Baffins
   Lane, Chichester, W. Sussex PO19 1UD, UK)  V.1-    1981-
   Volume(issue)/page/year: 4,75,1984
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 150 ppb/6H/13W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
   Related to Chronic Data - death
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 6,57,1986
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 340 ppb/7H/6W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,459,1955
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 340 ppb/7H/6W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,459,1955
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 340 ppb/7H/6W-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   AMIHAB AMA Archives of Industrial Health.  (Chicago, IL)  V.11-21, 1955-60.
   For publisher information, see AEHLAU.  Volume(issue)/page/year: 11,459,1955
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 975 mg/kg
SEX/DURATION            : female 6-18 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   53,497,1980

                              *** REVIEWS ***
 
   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

   ACGIH TLV-TWA 0.11 mg/m3 (0.01 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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 001 ppm (0.1 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 0.01 ppm (0.11 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 0.01 ppm (0.1 mg/m3) JAN 1993
   
   OEL-FINLAND:TWA 0.1 ppm (1 mg/m3);STEL 0.3 ppm (3 mg/m3);Skin JAN 1993
   
   OEL-FRANCE:TWA 0.01 ppm (0.1 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.01 ppm (0.11 mg/m3) JAN 1993
   
   OEL-RUSSIA:STEL 0.01 mg/m3;Skin JAN 1993
   
   OEL-SWITZERLAND:TWA 0.01 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 HEXACHLOROCYCLOPENTADIENE-air:10H TWA 0.01 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 - T0175
       No. of Facilities: 61 (estimated)
       No. of Industries: 2
       No. of Occupations: 14
       No. of Employees: 1427 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULE
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   47,26992,82

   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: Hexachloro-1,3-cyclopentadiene, 2518
   
   NTP Carcinogenesis studies (inhalation);no evidence:mouse
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-437,94

   NTP Carcinogenesis studies (inhalation);no evidence:rat
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NTP-TR-437,94

 
                            *** END OF RECORD ***