*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ES0525000
CHEMICAL NAME           : 2-Butyne-1,4-diol
CAS REGISTRY NUMBER     : 110-65-6
BEILSTEIN REFERENCE NO. : 1071237
REFERENCE               : 4-01-00-02687 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 19
MOLECULAR FORMULA       : C4-H6-O2
MOLECULAR WEIGHT        : 86.10
WISWESSER LINE NOTATION : Q2UU2Q
COMPOUND DESCRIPTOR     : Tumorigen
SYNONYMS/TRADE NAMES :
   * Agrisynth B3D
   * Bis(hydroxymethyl)acetylene
   * 2-Butin-1,4-diol
   * Butynediol
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 105 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory stimulation
   Blood - other changes
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(1-3),41,1968
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 150 mg/m3/2H
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Blood - hemorrhage
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,13,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 52435 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPPMAB Journal of Pharmacy and Pharmacology.  (Pharmaceutical Soc. of Great
   Britain, 1 Lambeth High St., London SEI 7JN, UK)  V.1-    1949-
   Volume(issue)/page/year: 26,597,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 105 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory stimulation
   Blood - other changes
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(1-3),41,1968
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 150 mg/m3/2H
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - structural or functional change in trachea
   or bronchi
   Blood - hemorrhage
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,13,1965
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 150 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory stimulation
   Blood - other changes
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(1-3),41,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 130 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - respiratory stimulation
   Blood - other changes
REFERENCE :
   HYSAAV Hygiene and Sanitation (USSR).  English translation of GISAAA.
   (Springfield, VA)  1964-71. Discontinued.  Volume(issue)/page/year:
   33(1-3),41,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - wild bird species
DOSE/DURATION           : 75 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AECTCV Archives of Environmental Contamination and Toxicology.
   (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
   070944)  V.1-    1973-  Volume(issue)/page/year: 12,355,1983
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1400 mg/kg/28D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Blood - changes in leukocyte (WBC) count
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - dehydrogenases
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: 12,117,1992
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 364 mg/kg/26W-I
TOXIC EFFECTS :
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - true cholinesterase
   Biochemical - Metabolism (Intermediary) - other carbohydrates
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 33(1),37,1968
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1400 mg/kg/14D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   BECTA6 Bulletin of Environmental Contamination and Toxicology.
   (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
   07094)  V.1-    1966-  Volume(issue)/page/year: 43,87,1989
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 8 mg/m3/4H/26W-I
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Vascular - BP lowering not characterized in autonomic section
   Liver - liver function tests impaired
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,13,1965
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 90 mg/m3/2H/30D-I
TOXIC EFFECTS :
   Brain and Coverings - other degenerative changes
   Blood - hemorrhage
   Related to Chronic Data - death
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 7,13,1965

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-RUSSIA:STEL 1 mg/m3 JAN 1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M2524
       No. of Facilities: 307 (estimated)
       No. of Industries: 7
       No. of Occupations: 11
       No. of Employees: 2173 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M2524
       No. of Facilities: 1139 (estimated)
       No. of Industries: 21
       No. of Occupations: 20
       No. of Employees: 16527 (estimated)
       No. of Female Employees: 4755 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NTP Carcinogenesis studies; selected, October 1997

 
                            *** END OF RECORD ***