*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DJ1575000
CHEMICAL NAME           : Benzophenone, 2-hydroxy-4-methoxy-
CAS REGISTRY NUMBER     : 131-57-7
BEILSTEIN REFERENCE NO. : 1913145
REFERENCE               : 4-08-00-02442 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 23
MOLECULAR FORMULA       : C14-H12-O3
MOLECULAR WEIGHT        : 228.26
WISWESSER LINE NOTATION : 1OR CQ DVR
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Benzophenone-3
   * Cyasorb UV 9
   * 2-Hydroxy-4-methoxybenzophenone
   * (2-Hydroxy-4-methoxyphenyl)phenylmethanone
   * Methanone, (2-hydroxy-4-methoxyphenyl)phenyl-
   * 4-Methoxy-2-hydroxybenzophenone
   * MOB
   * NCI-C60957
   * NSC-7778
   * Oxybenzone
   * Spectra-sorb UV 9
   * Syntase 62
   * UF 3
   * USAF CY-9
   * Uvinul M 40
 
                       *** 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           : 7400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JACTDZ Journal of the American College of Toxicology.  (Mary Ann Liebert,
   Inc., 1651 Third Ave., New York, NY 10128)  V.1-12, 1982-1993. Discontinued.
    Volume(issue)/page/year: 2(5),35,1983
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 300 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: AD277-689
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 189 gm/kg/90D-C
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Blood - changes in other cell count (unspecified)
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 10,41,1972
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 8246 mg/kg/2W-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 164 gm/kg/13W-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
   Blood - changes in platelet count
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg/2W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 6500 mg/kg/13W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Blood - changes in other cell count (unspecified)
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 104 gm/kg/2W-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 544 gm/kg/13W-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/kg/2W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 45 gm/kg
SEX/DURATION            : female 90 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - ovaries, fallopian tubes
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 10,41,1972
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 54 gm/kg
SEX/DURATION            : male 90 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 10,41,1972
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 333 gm/kg
SEX/DURATION            : male 13 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 297 gm/kg
SEX/DURATION            : female 13 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - menstrual cycle changes or disorders
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 1268 gm/kg
SEX/DURATION            : male 13 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 1687 gm/kg
SEX/DURATION            : female 13 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - menstrual cycle changes or disorders
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 5915 mg/kg
SEX/DURATION            : male 13 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   NTPTR* National Toxicology Program Technical Report Series.  (Research
   Triangle Park, NC 27709) No.206-  Volume(issue)/page/year: NIH-92-3344
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 100 ug/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 9(Suppl
   9),1,1987

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M3220
       No. of Facilities: 51 (estimated)
       No. of Industries: 3
       No. of Occupations: 5
       No. of Employees: 549 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M3220
       No. of Facilities: 1336 (estimated)
       No. of Industries: 21
       No. of Occupations: 18
       No. of Employees: 27518 (estimated)
       No. of Female Employees: 8664 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   NTP Toxicity studies, RPT# TOX-21, October 1997
   
   NTP Carcinogenesis studies; laboratory assigned, October 1997

 
                            *** END OF RECORD ***