*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DM5250000
CHEMICAL NAME           : 2-Benzoxazolinone, 5-chloro-
CAS REGISTRY NUMBER     : 95-25-0
LAST UPDATED            : 199701
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C7-H4-Cl-N-O2
MOLECULAR WEIGHT        : 169.57
WISWESSER LINE NOTATION : T56 BMVOJ HG
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Biomioran
   * 5-Chlorbenzoxazolin-2-on
   * 5-Chlorobenzoksazolon-2
   * 5-Chlorobenzoksazolinon-2
   * 6-Chloro-2-benzoxazolinone
   * 5-Chlorobenzoxazolidone
   * 5-Chloro-2-benzoxazolinone
   * 5-Chlorobenzoxazol-2-one
   * 5-Chloro-3(H)-2-benzoxazolone
   * Chloroxazone
   * Chlorzoxazone
   * Mioran
   * Miotran
   * Myoflexine
   * Neoflex
   * Paraflex
   * Pathorysin
   * Solaxin
   * USAF MA-10
 
                       *** 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           : 763 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - muscle weakness
   Behavioral - ataxia
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,75,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 150 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - muscle weakness
   Behavioral - ataxia
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,75,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 440 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 17,242,1967
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 50 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
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 170 mg/kg
TOXIC EFFECTS :
   Behavioral - anticonvulsant
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   19,247,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 662 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - muscle weakness
   Behavioral - ataxia
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,75,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 166 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - muscle weakness
   Behavioral - ataxia
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 129,75,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 550 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
REFERENCE :
   CHTPBA Chimica Therapeutica.  (Paris, France)  V.1-8, 1965-73.  For
   publisher information, see EJMCA5.  Volume(issue)/page/year: 6,65,1971

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X5399
       No. of Facilities: 24 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 666 (estimated)
       No. of Female Employees: 403 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***