*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : SK8265000
CHEMICAL NAME           : Phenol, 2,6-di-tert-butyl-
CAS REGISTRY NUMBER     : 128-39-2
LAST UPDATED            : 199710
DATA ITEMS CITED        : 11
MOLECULAR FORMULA       : C14-H22-O
MOLECULAR WEIGHT        : 206.36
WISWESSER LINE NOTATION : QR BX1&1&1 FX1&1&1
SYNONYMS/TRADE NAMES :
   * 2,6-Bis(tert-butyl)phenol
   * 2,6-Di-tert-butylphenol
   * Ethanox 701
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 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: OTS0526583
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 120 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 23,1350,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >10 gm/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: OTS0526583
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : >10 gm/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: OTS0526583
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 19708 mg/kg/3W-C
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Blood - change in clotting factors
   Related to Chronic Data - death
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   46,811,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 12480 ng/kg/12D-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation,
   etc.)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - other transferases
REFERENCE :
   BJCAAI British Journal of Cancer.  (Macmillan Press Ltd., Houndmills,
   Basingstoke, Hants. RG21 2XS, UK)  V.1-    1947-  Volume(issue)/page/year:
   45,935,1982

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M4376
       No. of Facilities: 196 (estimated)
       No. of Industries: 9
       No. of Occupations: 12
       No. of Employees: 2192 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M4376
       No. of Facilities: 13899 (estimated)
       No. of Industries: 175
       No. of Occupations: 97
       No. of Employees: 365623 (estimated)
       No. of Female Employees: 72928 (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 ***