*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QK3695000
CHEMICAL NAME           : 1,4,5,8-Naphthalenetetracarboxylic acid,
                          1,8:4,5-dianhydride
CAS REGISTRY NUMBER     : 81-30-1
BEILSTEIN REFERENCE NO. : 0272788
REFERENCE               : 5-19-05-00423 (Beilstein Handbook Reference)
LAST UPDATED            : 199709
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C14-H4-O6
MOLECULAR WEIGHT        : 268.18
SYNONYMS/TRADE NAMES :
   * (2)Benzopyrano(6,5,4-def)(2)benzopyran-1,3,6,8-tetrone
   * 2,7-Dioxapyrene-1,3,6,8-tetrone
   * Naphthalenetetracarboxylic dianhydride
   * NSC 84241
   * NTCDA
 
                       *** 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 :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,90,1982
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intratracheal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,90,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 7100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,90,1982

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

 
                            *** END OF RECORD ***