*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DU1925000 CHEMICAL NAME : Biguanide, 1,1'-hexamethylenebis(5-(p-chlorophenyl)- CAS REGISTRY NUMBER : 55-56-1 BEILSTEIN REFERENCE NO. : 2826432 REFERENCE : 4-12-00-01201 (Beilstein Handbook Reference) LAST UPDATED : 199710 DATA ITEMS CITED : 16 MOLECULAR FORMULA : C22-H30-Cl2-N10 MOLECULAR WEIGHT : 505.52 WISWESSER LINE NOTATION : GR DMYUM&MYUM&M6MYUM&MYUM&MR DG COMPOUND DESCRIPTOR : Mutagen Reproductive Effector Primary Irritant SYNONYMS/TRADE NAMES : * 1,6-Bis(5-(p-chlorophenyl)biguandino)hexane * 1,6-Bis(p-chlorophenyldiguanido)hexane * Chlorhexidin * Chlorhexidine * 1,6-Di(4'-chlorophenyldiguanido)hexane * Fimeil * Hexadol * 1,1'-Hexamethylenebis(5-(p-chlorophenyl)biguanide) * Nolvasan * Rotersept * Soretol * Sterilon * 2,4,11,13-Tetraazatetradecanediimidamide, N,N''-bis(4-chlorophenyl)-3,12-diimino- * Tubulicid *** HEALTH HAZARD DATA *** ** SKIN/EYE IRRITATION DATA ** TYPE OF TEST : Standard Draize test ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Human DOSE/DURATION : 1500 ug/3D (Intermittent) REACTION SEVERITY : Mild REFERENCE : 85DKA8 "Cutaneous Toxicity, Proceedings of the 3rd Conference, 1976," Drill, V.A., and P. Lazar, eds., New York, Academic Press, Inc. 1977 Volume(issue)/page/year: -,127,1977 ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 9200 uL/kg TOXIC EFFECTS : Behavioral - ataxia Lungs, Thorax, or Respiration - other changes Gastrointestinal - ulceration or bleeding from stomach REFERENCE : YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 6,2599,1978 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 60 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : VTYMAC VM/SAC, Veterinary Medicine and Small Animal Clinician. (Veterinary Medicine Publishing Co., 690 S. 4th St., POB 13265, Edwardsville, KS 66113) V.59- 1964- Volume(issue)/page/year: 72,1330,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >1 gm/kg TOXIC EFFECTS : Gastrointestinal - changes in structure or function of salivary glands REFERENCE : JCPEDZ Journal of Clinical Periodontology. (Munksgaard International Publishers, POB 2148, DK-1016 Copenhagen K, Denmark) V.1- 1974- Volume(issue)/page/year: 4(5),66,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 21 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold REFERENCE : RMISDU International Congress and Symposium Series - Royal Society of Medicine Services Limited. (Royal Society of Medicine Services Ltd., 7E. 60th St., New York, NY 10022) No.1- 1978- Volume(issue)/page/year: 23,45,1980 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2515 mg/kg TOXIC EFFECTS : Lungs, Thorax, or Respiration - acute pulmonary edema REFERENCE : RMISDU International Congress and Symposium Series - Royal Society of Medicine Services Limited. (Royal Society of Medicine Services Ltd., 7E. 60th St., New York, NY 10022) No.1- 1978- Volume(issue)/page/year: 23,45,1980 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 44 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : VTYMAC VM/SAC, Veterinary Medicine and Small Animal Clinician. (Veterinary Medicine Publishing Co., 690 S. 4th St., POB 13265, Edwardsville, KS 66113) V.59- 1964- Volume(issue)/page/year: 72,1330,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 632 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JCPEDZ Journal of Clinical Periodontology. (Munksgaard International Publishers, POB 2148, DK-1016 Copenhagen K, Denmark) V.1- 1974- Volume(issue)/page/year: 4(5),66,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 24 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JCPEDZ Journal of Clinical Periodontology. (Munksgaard International Publishers, POB 2148, DK-1016 Copenhagen K, Denmark) V.1- 1974- Volume(issue)/page/year: 4(5),66,1977 TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : >8 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : VTYMAC VM/SAC, Veterinary Medicine and Small Animal Clinician. (Veterinary Medicine Publishing Co., 690 S. 4th St., POB 13265, Edwardsville, KS 66113) V.59- 1964- Volume(issue)/page/year: 72,1330,1977 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 150 uL/kg/30D-I TOXIC EFFECTS : Blood - changes in leukocyte (WBC) count Biochemical - Metabolism (Intermediary) - lipids including transport Biochemical - Metabolism (Intermediary) - other proteins REFERENCE : YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 6,2599,1978 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 1680 mg/kg SEX/DURATION : female 7 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) REFERENCE : MEXPAG Medicina Experimentalis. (Basel, Switzerland) V.1-11, 1959-64; V.18-19, 1968-69. For publisher information, see JNMDBO. Volume(issue)/page/year: 10,361,1964 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 14300 pmol/plate REFERENCE : CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 28,249,1979 TYPE OF TEST : DNA repair TEST SYSTEM : Bacteria - Escherichia coli DOSE/DURATION : 7 umol/disc REFERENCE : CBINA8 Chemico-Biological Interactions. (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1969- Volume(issue)/page/year: 28,249,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84812 No. of Facilities: 8 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 32 (estimated) No. of Female Employees: 32 (estimated) *** STATUS IN U.S. *** EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***