1,2-Diphenyl-pyrazolidine-3,5-dione

Modify Date: 2025-08-20 12:49:33

1,2-Diphenyl-pyrazolidine-3,5-dione structure	Common Name	1,2-Diphenyl-pyrazolidine-3,5-dione
	CAS Number	2652-77-9	Molecular Weight	252.26800
	Density	1.312 g/cm3	Boiling Point	380.5ºC at 760 mmHg
	Molecular Formula	C₁₅H₁₂N₂O₂	Melting Point	180-183ºC
	MSDS	N/A	Flash Point	167.2ºC

Name	1,2-diphenyl-pyrazolidine-3,5-dione
Synonym	More Synonyms

Density	1.312 g/cm3
Boiling Point	380.5ºC at 760 mmHg
Melting Point	180-183ºC
Molecular Formula	C₁₅H₁₂N₂O₂
Molecular Weight	252.26800
Flash Point	167.2ºC
Exact Mass	252.09000
PSA	40.62000
LogP	2.50150
Vapour Pressure	5.41E-06mmHg at 25°C
Index of Refraction	1.65

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ8455300

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

CAS REGISTRY NUMBER :: 2652-77-9

BEILSTEIN REFERENCE NO. :: 0210835

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C15-H12-N2-O2

MOLECULAR WEIGHT :: 252.29

WISWESSER LINE NOTATION :: T5VNNV EHJ BR& CR

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 :: 1 gm/kg

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

REFERENCE :: MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 16,536,1967

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 338 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: 132,16,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 574 mg/kg

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

REFERENCE :: MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 16,536,1967

HS Code	2933990090

1,2-Diphenylhyd...

CAS#:122-66-7

Diethyl malonate

CAS#:105-53-3

~77%

1,2-Diphenyl-py...

CAS#:2652-77-9

Literature: Fernandez, Israel; Dyker, C. Adam; DeHope, Alan; Donnadieu, Bruno; Frenking, Gernot; Bertrand, Guy Journal of the American Chemical Society, 2009 , vol. 131, # 33 p. 11875 - 11881

Carbon

CAS#:7440-44-0

1,2-Diphenylhyd...

CAS#:122-66-7

Diethyl malonate

CAS#:105-53-3

~58%

1,2-Diphenyl-py...

CAS#:2652-77-9

Literature: Fuji Photo Film Co., Ltd. Patent: US6458474 B1, 2002 ;

1,2-Diphenylhyd...

CAS#:122-66-7

malonoyl chloride

CAS#:1663-67-8

1,2-Diphenyl-py...

CAS#:2652-77-9

Literature: Tsumaki Bulletin of the Chemical Society of Japan, 1931 , vol. 6, p. 1,8

Precursor 4
CAS#:122-66-7 1,2-Diphenylhyd... CAS#:105-53-3 Diethyl malonate CAS#:7440-44-0 Carbon CAS#:1663-67-8 malonoyl chloride
DownStream 10
CAS#:10561-01-0 4-[(Z)-3-chloro... CAS#:1093-68-1 4-Isopropyl-1,2... CAS#:50-33-9 Phenylbutazone CAS#:2810-68-6 1,2-Diphenyl-4-...
CAS#:853-34-9 Kebuzone CAS#:14845-06-8 4-ethyl-1,2-dip... CAS#:37585-38-9 3-Pyrazolin-5-o... CAS#:37606-80-7 3,5-Pyrazolidin...
CAS#:2652-78-0 1,2-Diphenyl-4-... CAS#:2652-81-5 1,2-Diphenyl-4-...

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%

1,2-diphenyl-5-pyrazolidinedione

1,2-Diphenyl-pyrrazolidin-3,5-dion

1,2-Diphenylpyrazolidine-3,5-dione

1,2-diphenyl-3,5-dioxopyrazolidine

1,2-Diphenyl-3,5-pyrazolidinedione

da339

1,2-diphenyl-3,5-dioxopyrazolidin

diphenyldiketopyrazolidine

1,2-Diphenyl-3,5-pyrazolidindion

1,2-Diphenyl-pyrazolidin-3,5-dion

difenildichetopirazolidina

AURORA KA-3848

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,2-Diphenyl-pyrazolidine-3,5-dione
Price: Check
Purity: 95.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2-DIPHENYLPYRAZOLIDINE-3,5-DIONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 1,2-Diphenyl-pyrazolidine-3,5-dione
Price: ￥Inquiry/100g ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 95.0%
Delivery: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

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1,2-Diphenyl-pyrazolidine-3,5-dione

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

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