Bispyrazolone, GR

Name: Bispyrazolone, GR
Brand: Vaqora Chemicals
SKU: VQ-000820

About Bispyrazolone, GR

Bispyrazolone (CAS 7477-67-0) is a synthetic reagent offered by Vaqora Chemicals in AR grade with a typical assay of 99%. With the molecular formula C20H18N4O2, it has a molar mass of 346.4 g/mol. The IUPAC name is 5-methyl-4-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)-2-phenyl-4H-pyrazol-3-one. Alternative names: 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone) and 3,3'Dimethyl1,1'diphenyl4,4'bi5pyrazolone.

It is supplied as a solid. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis, reaction development, medicinal chemistry and analytical determinations. It is used across academic and industrial research.

We offer Bispyrazolone in 5 g, 25 g, 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Analytical determinations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Bispyrazolone, GR
Catalogue No.	VQ-000820
CAS Number	7477-67-0
IUPAC name	5-methyl-4-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)-2-phenyl-4H-pyrazol-3-one
Molecular formula	C₂₀H₁₈N₄O₂
Molecular weight	346.4 g/mol
Exact mass	346.143
Grade	AR
Purity / assay	99%
HSN code	29331990
InChIKey	FORCWSNQDMPPOC-UHFFFAOYSA-N
SMILES	CC1=NN(C(=O)C1C2C(=NN(C2=O)C3=CC=CC=C3)C)C4=CC=CC=C4
PubChem CID	95807

Physical properties
Physical form	Solid
Appearance	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	0 / 4
TPSA	65.3 Å²
Synonyms	3,3'-Dimethyl-1,1'-diphenyl-(4,4'-bi-2-pyrazoline)-5,5'-dione, [4,4'-Bi-3H-pyrazole]-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl-, 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone), (4,4'-Bi-2-pyrazoline)-5,5'-dione, 3,3'-dimethyl-1,1'-diphenyl-, 3,3'-Dimethyl-1,1'-diphenyl-4,4'-bi-5-pyrazolone, (4,4'-Bi-3H-pyrazole)-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl-, 3,3'Dimethyl1,1'diphenyl4,4'bi5pyrazolone, (4,4'Bi2pyrazoline)5,5'dione, 3,3'dimethyl1,1'diphenyl, (4,4'Bi3Hpyrazole)3,3'dione, 2,2',4,4'tetrahydro5,5'dimethyl2,2'diphenyl, 3,3'-Dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazole]-5,5'(4H,4'H)-dione, Edaravone Dimer, Bis(3-methyl-1-phenyl-5-pyrazolone)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements: P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7477-67-0

Bispyrazolone, ≥95.00%

CAS: 7477-67-0
Formula: C₂₀H₁₈N₄O₂
MW: 346.4 g/mol

VQ-046872

Reference Standard

Edaravone Impurity 4

CAS: 7477-67-0
Formula: C₂₀H₁₈N₄O₂
MW: 346.4 g/mol

In stock

Frequently asked questions

What is the CAS number of Bispyrazolone, GR?

The CAS Registry Number of Bispyrazolone, GR is 7477-67-0. It is also known as 3,3'-Dimethyl-1,1'-diphenyl-(4,4'-bi-2-pyrazoline)-5,5'-dione, [4,4'-Bi-3H-pyrazole]-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl-, 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone).

What is the molecular formula and molecular weight of Bispyrazolone, GR?

Bispyrazolone, GR has the molecular formula C20H18N4O2 and a molecular weight of 346.4 g/mol. Its IUPAC name is 5-methyl-4-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)-2-phenyl-4H-pyrazol-3-one.

Which grade and pack sizes of Bispyrazolone, GR can I order?

We supply Bispyrazolone, GR in AR (99%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Bispyrazolone, GR?

Yes. Every lot of Bispyrazolone, GR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Bispyrazolone, GR be shipped internationally?

Yes. Bispyrazolone, GR is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.