*** 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 ***