RTECS NUMBER : DK4800000
CHEMICAL NAME : p-Benzoquinone, 2,5-dimethyl-
CAS REGISTRY NUMBER : 137-18-8
LAST UPDATED : 199701
DATA ITEMS CITED : 6
MOLECULAR FORMULA : C8-H8-O2
MOLECULAR WEIGHT : 136.16
WISWESSER LINE NOTATION : L6V DVJ B1 E1
COMPOUND DESCRIPTOR : Agricultural Chemical
Drug
Mutagen
SYNONYMS/TRADE NAMES :
* 2,5-Dimethyl-1,4-benzochinon
* 2,5-Dimethyl-p-benzoquinone
* 2,5-Dimethyl-1,4-benzoquinone
* 2,5-Dimetilbenzochinone (1:4)
* Floron
* Florone
* Phlorone
* p-Xyloquinone
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council,
Chemical-Biological Coordination Center, Review. (Washington, DC)
Volume(issue)/page/year: 5,39,1953
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 290 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
BCFAAI Bollettino Chimico Farmaceutico. (Societa Editoriale Farmaceutica,
Via Ausonio 12, 20123 Milan, Italy) V.33- 1894- Volume(issue)/page/year:
97,533,1958
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 11 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
BCFAAI Bollettino Chimico Farmaceutico. (Societa Editoriale Farmaceutica,
Via Ausonio 12, 20123 Milan, Italy) V.33- 1894- Volume(issue)/page/year:
97,533,1958
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 43 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - convulsions or effect on seizure threshold
REFERENCE :
BCFAAI Bollettino Chimico Farmaceutico. (Societa Editoriale Farmaceutica,
Via Ausonio 12, 20123 Milan, Italy) V.33- 1894- Volume(issue)/page/year:
97,533,1958
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 40 nmol/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 347,37,1995
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
*** END OF RECORD ***
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