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4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone)

4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone) structure

CAS No:
7477-67-0
Formula:
C20H18N4O2
Chemical Name:
4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone)
Synonyms:
[4,4′-Bi-3H-pyrazole]-3,3′-dione,2,2′,4,4′-tetrahydro-5,5′-dimethyl-2,2′-diphenyl-;[4,4′-Bi-2-pyrazoline]-5,5′-dione,3,3′-dimethyl-1,1′-diphenyl-;2,2′,4,4′-Tetrahydro-5,5′-dimethyl-2,2′-diphenyl[4,4′-bi-3H-pyrazole]-3,3′-dione;4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone);NSC 37393;NSC 401001;3-Methyl-4-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-1-phenyl-4,5-dihydro-1H-pyrazol-5-one
Categories:
Analytical Chemistry > Analysis Reagents

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Description

off-white to cream-yellowish crystalline powder

4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone) Basic Attributes

Molecular Weight：

346.38

Exact Mass：

346.38

BRN：

572787

EC Number：

231-282-5

NSC Number：

401001|37393

HScode：

29331990

Characteristics

PSA：

65.3

XLogP3：

1.93

Appearance：

tan crystalline

Density：

1.3±0.1 g/cm3

Melting Point：

>320 °C

Boiling Point：

585.1±50.0 °C at 760 mmHg

Flash Point：

307.6±30.1 °C

Refractive Index：

1.680

Water Solubility：

formic acid: 50 mg/mL, clear, yellow

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

36/37

Marks：

Precautionary statement(s)：

P280

Hazard Statements：

H317

GHS Classification：

|Warning|H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P272, P280, P302+P352, P321, P333+P313, P363, and P501|Aggregated GHS information provided by 43 companies from 2 notifications to the ECHA C&L Inventory.

4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone) Use and Manufacturing

Uses

Bispyrazolone is an impurity of Edaravone (E335000).

Manufacturing Info：

[4,4'-Bi-3H-pyrazole]-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl-: ACTIVE

Computed Properties

Molecular Weight:346.4
XLogP3:2.4
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:3
Exact Mass:346.14297583
Monoisotopic Mass:346.14297583
Topological Polar Surface Area:65.3
Heavy Atom Count:26
Complexity:588
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Hydrazine, phenyl-

Sodium acetate trihydrate

Ethanol

Acetic acid

Recommended Suppliers of 4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone)

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Trader Supplier of Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals,Biochemicals,Pharmaceuticals,Screening Compounds,Food Additives

BISPYRAZOLONE

CAS No.: 7477-67-0

Content: 99.00%

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Guide of 4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone)

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
Learn More Other Chemicals

4,4′-Bis(1-phenyl-3-methyl-5-pyrazolone)

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