*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ME9950000
CHEMICAL NAME           : Guanidine, cyano-
CAS REGISTRY NUMBER     : 461-58-5
LAST UPDATED            : 199710
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C2-H4-N4
MOLECULAR WEIGHT        : 84.10
SYNONYMS/TRADE NAMES :
   * ACR-H 3636
   * Araldite HT 986
   * Araldite XB 2879B
   * Araldite XB 2979B
   * Bakelite VE 2560
   * Cyanoguanidine
   * N-Cyanoguanidine
   * 1-Cyanoguanidine
   * Dicyandiamide
   * Dicyandiamin
   * Dicyanodiamide
   * Epicure DICY 7
   * Epicure DICY 15
   * XB 2879B
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,17,1953
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 600 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   14,1325,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >4 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   8,329,1952
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   8,329,1952
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 273 gm/kg/13W-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Blood - changes in leukocyte (WBC) count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   ESKHA5 Eisei Shikenjo Hokoku.  Bulletin of the Institute of Hygienic
   Sciences.  (Kokuritsu Eisei Shikenjo Kagaku, 18-1 Bushitsu Johobu,
   Setagaya-ku, Tokyo 158, Japan)  V.1-    1886-  Volume(issue)/page/year:
   (109),61,1991

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 83038
       No. of Facilities: 720 (estimated)
       No. of Industries: 27
       No. of Occupations: 55
       No. of Employees: 19281 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 83038
       No. of Facilities: 1639 (estimated)
       No. of Industries: 48
       No. of Occupations: 50
       No. of Employees: 35475 (estimated)
       No. of Female Employees: 7043 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***