*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YT9275000
CHEMICAL NAME           : Urea, 1-(1-naphthyl)-2-thio-
CAS REGISTRY NUMBER     : 86-88-4
BEILSTEIN REFERENCE NO. : 0778118
REFERENCE               : 4-12-00-03086 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 52
MOLECULAR FORMULA       : C11-H10-N2-S
MOLECULAR WEIGHT        : 202.29
WISWESSER LINE NOTATION : L66J BMYZUS
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Mutagen
                          Human
SYNONYMS/TRADE NAMES :
   * Alphanaphthyl thiourea
   * Alphanaphtyl thiouree
   * Alrato
   * ANTU
   * Anturat
   * Bantu
   * Chemical 109
   * Dirax
   * Kill kantz
   * Krysid
   * Krysid PI
   * 1-Naftil-tiourea
   * alpha-Naftylthiomocovina
   * 1-Naftylthioureum
   * 1-Naphthalenylthiourea
   * alpha-Naphthalthioharnstoff
   * alpha-Naphthothiourea
   * alpha-Naphthylthiocarbamide
   * 1-Naphthyl-thioharnstoff
   * 1-Naphthyl thiourea
   * N-(1-Naphthyl)-2-thiourea
   * alpha-Naphthylthiourea
   * 1-(1-Naphthyl)-2-thiourea
   * alpha-Naphthylthiourea
   * 1-Naphthyl-thiouree
   * Naphtox
   * Rattrack
   * Rat-TU
   * RCRA waste number P072
   * Smeesana
   * Thiourea, 1-naphthalenyl-
   * U-5227
   * USAF EK-P-5976
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 588 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85DCAI "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M.,
   Springfield, IL, C.C. Thomas, 1970  Volume(issue)/page/year: 2,73,1970
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 6 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AFDOAQ Quarterly Bulletin--Association of Food and Drug Officials of the
   United States.  (Denver, CO)  V.3-38, 1939-74.  Volume(issue)/page/year:
   16,47,1952
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2470 ug/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - acute pulmonary edema
   Lungs, Thorax, or Respiration - pleural effusion
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 97,432,1949
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 28,329,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 10 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD277-689
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 380 ug/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: -,57,1966
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 16 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 62,22,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 4250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel,"
   Perkow, W., Berlin, Verlag Paul Parey, 1971-1976  Volume(issue)/page/year:
   -,-,1971/1976
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : 175 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 62,22,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Primate - monkey
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BCFAAI Bollettino Chimico Farmaceutico.  (Societa Editoriale Farmaceutica,
   Via Ausonio 12, 20123 Milan, Italy)  V.33-    1894- Volume(issue)/page/year:
   97,289,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 62,22,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BCFAAI Bollettino Chimico Farmaceutico.  (Societa Editoriale Farmaceutica,
   Via Ausonio 12, 20123 Milan, Italy)  V.33-    1894- Volume(issue)/page/year:
   97,289,1958
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - pig
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YKYUA6 Yakkyoku.  Pharmacy.  (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
   Japan)  V.1-    1950-  Volume(issue)/page/year: 28,329,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 350 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 62,22,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - chicken
DOSE/DURATION           : 4250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 62,22,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Bird - chicken
DOSE/DURATION           : 2500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PSEBAA Proceedings of the Society for Experimental Biology and Medicine.
   (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1903/04-
   Volume(issue)/page/year: 62,22,1946
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Bird - chicken
DOSE/DURATION           : 700 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag
   New York, Inc., 1971  Volume(issue)/page/year: -,238,1971
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Blood - tumors
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB223-159
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 500 nmol/L
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 3,11,1981
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 1600 ug/L
REFERENCE :
   NCIMAV National Cancer Institute, Monograph.  (U.S. Government Printing
   Office, Supt. of Documents, Washington, DC 20402)  No.1-    1959-
   Volume(issue)/page/year: 58,243,1981

                              *** 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 0.3 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:
   TLV/BEI,1997

   IARC Cancer Review:Animal Inadequate Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 30,347,1983

   IARC Cancer Review:Human Inadequate Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 30,347,1983

   IARC Cancer Review:Group 3
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,263,1987

   TOXICOLOGY REVIEW
   ADCSAJ Advances in Chemistry Series.  (American Chemical Soc., Distribution
   Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037)  No.1-
   1950-  Volume(issue)/page/year: 13,271,1970

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 0.3 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: 3,14,1971

   OSHA PEL (Gen Indu):8H TWA 0.3 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 0.3 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 0.3 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 0.3 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 0.3 mg/m3 JAN 1993
   
   OEL-AUSTRIA:TWA 0.3 mg/m3 JAN 1993
   
   OEL-BELGIUM:TWA 0.3 mg/m3 JAN 1993
   
   OEL-DENMARK:TWA 0.3 mg/m3;Carcinogen JAN 1993
   
   OEL-FINLAND:TWA 0.3 mg/m3;STEL 0.9 mg/m3 JAN 1993
   
   OEL-FRANCE:TWA 0.3 mg/m3 JAN 1993
   
   OEL-GERMANY:TWA 0.3 mg/m3 JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.3 mg/m3 JAN 1993
   
   OEL-THE PHILIPPINES:TWA 0.3 mg/m3 JAN 1993
   
   OEL-SWITZERLAND:TWA 0.3 mg/m3;STEL 1.5 mg/m3 JAN 1993
   
   OEL-TURKEY:TWA 0.3 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 ANTU-air:10H TWA 0.3 mg/m3
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 :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M0294
       No. of Facilities: 25 (estimated)
       No. of Industries: 1
       No. of Occupations: 4
       No. of Employees: 1450 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: SHE-clonal assay
   
   EPA GENETOX PROGRAM 1988, Inconclusive: Carcinogenicity-mouse/rat
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***