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MSDS  : Antipyrine, 4-isopropyl-
CAS  : 479-92-5
SYNONYMS  : * 2,3-Dimethyl-4-isopropyl-1-phenyl-3H-pyrazolin-5-one * Isopropylantipyrin * Isopropylantipyrine * 4-Isopropylantipyrine * 4-Isopropyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one * Isopropylphenazone * Isopropyrine * Larodon * 1-Phenyl-2,3-dimethyl-4-isopropyl-3-pyrazolin-5-one * 1-Phenyl-2,3-dimethyl-4-isopropylpyrazol-5-one * Propyphenazone * 3-Pyrazolin-5-one, 2,3-dimethyl-4-isopropyl-1-phenyl- * 3-Pyrazolin-5-one, 4-isopropyl-2,3-dimethyl-1-phenyl- * 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(1-methylethyl)-2-phenyl-
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : CD2800000
CHEMICAL NAME : Antipyrine, 4-isopropyl-
CAS REGISTRY NUMBER : 479-92-5
BEILSTEIN REFERENCE NO. : 0204533
REFERENCE : 5-24-01-00408 (Beilstein Handbook Reference)
LAST UPDATED : 199701
DATA ITEMS CITED : 7
MOLECULAR FORMULA : C14-H18-N2-O
MOLECULAR WEIGHT : 230.34
WISWESSER LINE NOTATION : T5NNVJ A1 BR& DY1&1 E1
COMPOUND DESCRIPTOR : Drug
SYNONYMS/TRADE NAMES :
* 2,3-Dimethyl-4-isopropyl-1-phenyl-3H-pyrazolin-5-one
* Isopropylantipyrin
* Isopropylantipyrine
* 4-Isopropylantipyrine
* 4-Isopropyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
* Isopropylphenazone
* Isopropyrine
* Larodon
* 1-Phenyl-2,3-dimethyl-4-isopropyl-3-pyrazolin-5-one
* 1-Phenyl-2,3-dimethyl-4-isopropylpyrazol-5-one
* Propyphenazone
* 3-Pyrazolin-5-one, 2,3-dimethyl-4-isopropyl-1-phenyl-
* 3-Pyrazolin-5-one, 4-isopropyl-2,3-dimethyl-1-phenyl-
* 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(1-methylethyl)-2-phenyl-

*** 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 : 860 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15
Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881-
Volume(issue)/page/year: 97,601,1977

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 960 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 9,401,1959

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 295 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 122,434,1959

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - cat
DOSE/DURATION : 150 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - excitement
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 61,205,1937

TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - excitement
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 61,205,1937

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 1050 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co.,
Steintorst 13, 4010 Basel, Switzerland) V.50- 1920-
Volume(issue)/page/year: 84,351,1954

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY


*** END OF RECORD ***
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Antiogoside 3981-17-7
Antioside 3981-16-6
Antioxidant G-15 3981-16-6
Antioxidant G-16 61373-87-3
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Antioxidant TSP 12789-66-1
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Antipyrine 60-80-0
Antipyrine, 4-(beta-acetylstyryl)- 24428-81-7
Antipyrine, 4-allyl- 24428-81-7
Antibiotic SF-1670-A 60440-43-9
Antipyrine, 4-amino- 83-07-8
Antipyrine, 4-(2-(p-aminobenzoyl)ethyl)- 24428-98-6
Antipyrine, 4-amino-, and sodium nitrite 24428-98-6
Antipyrine, 4-(2-(p-anisoyl)vinyl)- 24428-77-1
Antipyrine, 4,4'-azodi- 102585-65-9
Antipyrine, 4-(2-benzoylpropenyl)- 24428-80-6
Antipyrine, 4-(2-benzoylvinyl)- 15183-03-6
Antipyrine, 4-butyl- 101496-03-1
Antipyrine, 4-sec-butyl- 96974-48-0
Antipyrine, compd. with chloral hydrate (12) 480-30-8
Antibiotic SF 2107 A(sub 1) 81030-78-6
Antipyrine, 4-(2-(p-chlorobenzoyl)vinyl)- 24429-12-7
Antipyrine, 4-((p-chlorophenacylidene)amino)- 24377-61-5
Antipyrine, 4-(2-(diethylamino)ethyl)- 24377-61-5
Antipyrine,4-((3,4-dimethoxy-2-(1-pyrrolidinylcarbonyl)benzylidene)amino)- 66913-52-8
Antipyrine, 4-(dimethylamino)- 58-15-1
Antipyrine, 4-(dimethylamino)- mixed with sodiumnitrite (1:1) 58-15-1
Antipyrine, 4-(dimethylamino)-, sodium salt 6062-19-7
Antipyrine, 4-(2,6-dimethylpiperidinothiocarbamoyl)- 73791-34-1
Antipyrine, 4-ethyl- 73791-34-1
Antipyrine, 4-(ethylamino)- 15166-10-6
Antibiotic SF 1306B 52934-72-2
Antipyrine, 4-(2-(p-hydroxybenzoyl)propenyl)-,hydrate 26405-20-9
Antipyrine, 4-isobutyl- 26405-20-9
Antipyrine, 4-isopentyl- 26405-20-9
Antipyrine, 4-isopropyl- 479-92-5
Antipyrine, 4-(isopropylamino)- 3615-24-5
Antipyrine, 4-((m-methoxybenzylidene)amino)- 70318-54-6
Antipyrine, 4-((p-methoxybenzylidene)amino)- 32061-14-6
Antipyrine, 4-((p-methoxyphenacylidene)amino)- 24428-97-5
Antipyrine, 4-(methylamino)- 519-98-2
Antipyrine, 4-((p-methylphenacylidene)amino)- 24428-96-4
Antibiotic SF 1771B 63798-93-6
Antipyrine,4-(4-(3-methyl-2-phenylmorpholino)methyl)-, gentisate 63798-93-6
Antipyrine,4-(4-(3-methyl-2-phenylmorpholino)methyl)-,hydrochloride 50321-35-2

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