4-sec-Butylidene-1,2-diphenyl-3,5-pyrazolidinedione

Modify Date: 2025-08-25 11:22:19

4-sec-Butylidene-1,2-diphenyl-3,5-pyrazolidinedione structure	Common Name	4-sec-Butylidene-1,2-diphenyl-3,5-pyrazolidinedione
	CAS Number	26485-82-5	Molecular Weight	306.35800
	Density	N/A	Boiling Point	N/A
	Molecular Formula	C₁₉H₁₈N₂O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	N/A

Name	4-butan-2-ylidene-1,2-diphenylpyrazolidine-3,5-dione
Synonym	More Synonyms

Molecular Formula	C₁₉H₁₈N₂O₂
Molecular Weight	306.35800
Exact Mass	306.13700
PSA	40.62000
LogP	3.83790
Vapour Pressure	1.65E-07mmHg at 25°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ8402000

CHEMICAL NAME :: 3,5-Pyrazolidinedione, 4-sec-butylidene-1,2-diphenyl-

CAS REGISTRY NUMBER :: 26485-82-5

BEILSTEIN REFERENCE NO. :: 0263662

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C19-H18-N2-O2

MOLECULAR WEIGHT :: 306.39

WISWESSER LINE NOTATION :: T5VNNVYJ BR& CR& EUY2&1

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 :: 2020 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 12,521,1957

HS Code	2933990090

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

P.M. 306

DA-237

4-sec-Butylidene-1,2-diphenyl-3,5-pyrazolidinedione

4-(butan-2-ylidene)-1,2-diphenylpyrazolidine-3,5-dione

3,5-Pyrazolidinedione,4-sec-butylidene-1,2-diphenyl

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