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Product Name: 3,5-Pyrazolidinedione,4-(1-methylethylidene)-1,2-diphenyl-
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26485-81-4

26485-81-4 structure

26485-81-4 structure

Name: 3,5-Pyrazolidinedione,4-(1-methylethylidene)-1,2-diphenyl-
Chemical Name: 1,2-diphenyl-4-propan-2-ylidenepyrazolidine-3,5-dione
CAS Number: 26485-81-4
Molecular Formula: C₁₈H₁₆N₂O₂
Molecular Weight: 292.33200
Create Date: 2016-03-19 02:05:36
Modify Date: 2025-09-13 16:54:24

Name	1,2-diphenyl-4-propan-2-ylidenepyrazolidine-3,5-dione
Synonyms	P.M. 292 DA-236 4-(1-Methylethylidene)-1,2-diphenyl-3,5-pyrazolidinedione 1,2-Diphenyl-4-isopropylidene-3,5-pyrazolidinedione 4-Isopropyliden-1,2-diphenyl-pyrazolidin-3,5-dion 4-isopropylidene-1,2-diphenyl-pyrazolidine-3,5-dione 3,5-Pyrazolidinedione,1,2-diphenyl-4-isopropylidene

Density	1.248g/cm3
Boiling Point	414.7ºC at 760mmHg
Molecular Formula	C₁₈H₁₆N₂O₂
Molecular Weight	292.33200
Flash Point	174.9ºC
Exact Mass	292.12100
PSA	40.62000
LogP	3.44780
Vapour Pressure	4.36E-07mmHg at 25°C
Index of Refraction	1.632

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ8522000

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

CAS REGISTRY NUMBER :: 26485-81-4

BEILSTEIN REFERENCE NO. :: 0241834

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H16-N2-O2

MOLECULAR WEIGHT :: 292.36

WISWESSER LINE NOTATION :: T5VNNVYJ BR& CR& EUY1&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 :: 1285 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%

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