*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DT5077000
CHEMICAL NAME           : Bicyclo(3.1.1)heptane, 6,6-dimethyl-2-methylene-
CAS REGISTRY NUMBER     : 127-91-3
LAST UPDATED            : 200007
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C10-H16
MOLECULAR WEIGHT        : 136.26
WISWESSER LINE NOTATION : L46 A EUTJ A1 A1 E1
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Nopinen
   * Nopinene
   * beta-Pinene
   * 2(10)-Pinene
   * Pseudopinen
   * Pseudopinene
 
                       *** 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 :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 16,859,1978
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4700 mg/kg
TOXIC EFFECTS :
   Brain and Coverings - recordings from specific areas of CNS
   Behavioral - somnolence (general depressed activity)
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 16,859,1978

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-NORWAY: TWA 25 ppm (140 mg/m3), JAN1999
   
   OEL-SWEDEN: NGV 25 ppm (150 mg/m3), KTV 50 ppm (300 mg/m3), JAN1999

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M1936
       No. of Facilities: 813 (estimated)
       No. of Industries: 9
       No. of Occupations: 26
       No. of Employees: 7672 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M1936
       No. of Facilities: 5181 (estimated)
       No. of Industries: 61
       No. of Occupations: 65
       No. of Employees: 77244 (estimated)
       No. of Female Employees: 13763 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   On EPA IRIS database
   
   NIOSH Analytical Method, 1996: Terpenes, 1552

 
                            *** END OF RECORD ***