3-Methyl 1-phenyl-5-pyrazolone, 98%

Name: 3-Methyl 1-phenyl-5-pyrazolone, 98%
Brand: Vaqora Chemicals
SKU: VQ-000806

About 3-Methyl 1-phenyl-5-pyrazolone, 98%

3-Methyl 1-phenyl-5-pyrazolone (CAS 89-25-8) is a synthetic reagent offered by Vaqora Chemicals in Synthesis grade at a purity of 98%. With the molecular formula C10H10N2O, it has a molar mass of 174.2 g/mol. Its systematic (IUPAC) name is 5-methyl-2-phenyl-4H-pyrazol-3-one. Common synonyms include 3-Methyl-1-phenyl-2-pyrazolin-5-one and Edaravone.

It is supplied as powder or crystals or chunks. Key physical data: a melting point of 126-128 °C and a boiling point of 287 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis, reaction development and medicinal chemistry. Our customers for this product work in academic and industrial research.

Available in 5 g, 100 g, 500 g and 5 kg packs, 3-Methyl 1-phenyl-5-pyrazolone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-Methyl 1-phenyl-5-pyrazolone, 98%
Catalogue No.	VQ-000806
CAS Number	89-25-8
IUPAC name	5-methyl-2-phenyl-4H-pyrazol-3-one
Molecular formula	C₁₀H₁₀N₂O
Molecular weight	174.2 g/mol
Exact mass	174.0793
Grade	Synthesis
Purity / assay	98%
HSN code	29331990
InChIKey	QELUYTUMUWHWMC-UHFFFAOYSA-N
SMILES	CC1=NN(C(=O)C1)C2=CC=CC=C2
PubChem CID	4021

Physical properties
Physical form	Crystalline
Appearance	Powder or crystals or chunks
Melting point	126-128 °C
Boiling point	287 °C
LogP (XLogP3)	1.3
H-bond donors / acceptors	0 / 2
TPSA	32.7 Å²
Synonyms	3-Methyl-1-phenyl-2-pyrazolin-5-one, Edaravone, MCI-186, MCI 186, Norphenazone, 1-Phenyl-3-methyl-5-pyrazolone, Developer Z, Methylphenylpyrazolone, Norantipyrine, C.I. Developer 1, Phenylmethylpyrazolone, Phenyl methyl pyrazolone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 89-25-8

Reference Standard

Edaravone

CAS: 89-25-8
Formula: C₁₀H₁₀N₂O
MW: 174.2 g/mol

In stock

Frequently asked questions

What is the CAS number of 3-Methyl 1-phenyl-5-pyrazolone, 98%?

The CAS Registry Number of 3-Methyl 1-phenyl-5-pyrazolone, 98% is 89-25-8. It is also known as 3-Methyl-1-phenyl-2-pyrazolin-5-one, Edaravone, MCI-186.

What is the molecular formula and molecular weight of 3-Methyl 1-phenyl-5-pyrazolone, 98%?

3-Methyl 1-phenyl-5-pyrazolone, 98% has the molecular formula C10H10N2O and a molecular weight of 174.2 g/mol. Its IUPAC name is 5-methyl-2-phenyl-4H-pyrazol-3-one.

Which grade and pack sizes of 3-Methyl 1-phenyl-5-pyrazolone, 98% can I order?

We supply 3-Methyl 1-phenyl-5-pyrazolone, 98% in Synthesis (98%) grade, in 5 g, 100 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Methyl 1-phenyl-5-pyrazolone, 98%?

Yes. Every lot of 3-Methyl 1-phenyl-5-pyrazolone, 98% 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 3-Methyl 1-phenyl-5-pyrazolone, 98% be shipped internationally?

Yes. 3-Methyl 1-phenyl-5-pyrazolone, 98% 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.