*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TI3325000
CHEMICAL NAME           : Phthalic anhydride, methyltetrahydro-
CAS REGISTRY NUMBER     : 26590-20-5
LAST UPDATED            : 199701
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C9-H10-O3
MOLECULAR WEIGHT        : 166.19
WISWESSER LINE NOTATION : T56 BVOV GUTJ X1
SYNONYMS/TRADE NAMES :
   * AC 220
   * AC 220J
   * 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydromethyl-
   * Lindride
   * Methyltetrahydrophthalic anhydride
 
                       *** 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           : 2140 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1410 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X2943
       No. of Facilities: 15 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 124 (estimated)

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

 
                            *** END OF RECORD ***