*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GY0950000
CHEMICAL NAME           : Cyclopentadecanone, 3-methyl-
CAS REGISTRY NUMBER     : 541-91-3
LAST UPDATED            : 199701
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C16-H30-O
MOLECULAR WEIGHT        : 238.46
COMPOUND DESCRIPTOR     : Natural Product
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * 3-Methylcyclopentadecanone
   * 3-Methyl-1-cyclopentadecanone
   * Moschus ketone
   * Muscone
   * Muskone
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Moderate
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   20,749,1982
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   20,749,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 270 mg/kg
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   CTYAD8 Zhongcaoyao.  Chinese Traditional and Herbal Medicine.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11-
      1980-  Volume(issue)/page/year: 12,236,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 152 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CTYAD8 Zhongcaoyao.  Chinese Traditional and Herbal Medicine.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11-
      1980-  Volume(issue)/page/year: 12,236,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >5 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   20,749,1982

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - A1797
       No. of Facilities: 33 (estimated)
       No. of Industries: 2
       No. of Occupations: 17
       No. of Employees: 2333 (estimated)

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

 
                            *** END OF RECORD ***