ChemicalBook >> CAS DataBase List >>1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
- CAS No.
- 19735-89-8
- Chemical Name:
- 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
- Synonyms
- 1,2-Dihydro-5-methyl;Edaravone Impurity 9;Edaravone Impurity 16;Edaravone Related Compound;Edaravone Related Compound 1;1-PHENYL-3-METHYL-5-PYRAZOLONE;5-Methyl-2-phenyl-1H-pyrazol-3(2H)-one;1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one;2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one;5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
- CBNumber:
- CB02130134
- Molecular Formula:
- C10H10N2O
- Molecular Weight:
- 174.2
- MDL Number:
- MFCD00127930
- MOL File:
- 19735-89-8.mol
- MSDS File:
- SDS
Last updated:2025-07-16 09:55:35
| Product description | Number | Pack Size | Price |
| 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 95+% | 073679 | 5g | $650 |
| 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 95+% | 073679 | 10g | $998 |
| 1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00% | CHM0094340 | 1G | $1034.88 |
| 1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00% | CHM0094340 | 5G | $1958.88 |
| 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 95+% | 073679 | 1g | $200 |
| More product size | |||
| Melting point | 128°C |
|---|---|
| Boiling point | 305.17°C (rough estimate) |
| Density | 1.2600 |
| refractive index | 1.6370 (estimate) |
| storage temp. | Store at room temperature |
| pka | 0.10±0.40(Predicted) |
| Appearance | Light yellow to yellow Solid |
| CAS DataBase Reference | 19735-89-8 |
| FDA UNII | S798V6YJRP |
| EPA Substance Registry System | 1-Phenyl-3-methyl-5-pyrazolone (19735-89-8) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P261-P305+P351+P338 |
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one price More Price(11)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Matrix Scientific | 073679 | 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 95+% | 19735-89-8 | 5g | $650 | 2021-12-16 | Buy |
| Matrix Scientific | 073679 | 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 95+% | 19735-89-8 | 10g | $998 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | CHM0094340 | 1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00% | 19735-89-8 | 1G | $1034.88 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | CHM0094340 | 1-PHENYL-3-METHYL-1H-PYRAZOLE-5(2H)-ONE 95.00% | 19735-89-8 | 5G | $1958.88 | 2021-12-16 | Buy |
| Matrix Scientific | 073679 | 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one 95+% | 19735-89-8 | 1g | $200 | 2021-12-16 | Buy |
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Chemical Properties,Uses,Production
Uses
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one is an important class of heterocyclic compounds with physiological functions. It can be used as an antipyretic, analgesic, and antibacterial agent, as well as an analytical reagent, an antioxidant for rubber and flaxseed, and a dye for textiles.
Application
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one is an important intermediate that can be used as a raw material for the preparation of 4,4′-arylmethylene-bis(1-phenyl-3-methyl-5-pyrazolone).
Definition
ChEBI: Demethylated antipyrine is a ring assembly and a member of pyrazoles.
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Preparation Products And Raw materials
Raw materials
Preparation Products
Solvent Red 8
2,4-Dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one chromium complex
Acid Orange 89
Acid Red 226
Acid Yellow 42
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Global( 182)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Capot Chemical Co.,Ltd. | +86-（0）57185586718; +8613336195806 | sales@capot.com | China | 29640 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21592 | 55 |
| Shenzhen Nexconn Pharmatechs Ltd | +86-755-89396905 +86-15013857715 | admin@nexconn.com | China | 10404 | 58 |
| Standardpharm Co. Ltd. | 86-714-3992388 | overseasales1@yongstandards.com | United States | 14332 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49977 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29795 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +8617392709771 | 1097@dideu.com | China | 3996 | 58 |
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-0519-85551759 +8613506123987 | marketing1@neostarunited.com | China | 8828 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17346 | 58 |
View Lastest Price from 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-24 | 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
19735-89-8
|
US $0.10 / KG | 1KG | 99.0% | 1000 tons | Shaanxi Dideu Medichem Co. Ltd | |
 |
2020-02-26 | 1,2-Dihydro-5-methyl
19735-89-8
|
US $0.00-0.00 / KG | 1KG | 99.0%+ | 100 tons | Shaanxi Dideu Medichem Co. Ltd | |
 |
2020-02-26 | 1,2-Dihydro-5-methyl
19735-89-8
|
US $0.00-0.00 / Kg | 1KG | 99.0%+ | 100 tons | Shaanxi Dideu Medichem Co. Ltd |
-
- 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
19735-89-8
- US $0.10 / KG
- 99.0%
- Shaanxi Dideu Medichem Co. Ltd
-
- 1,2-Dihydro-5-methyl
19735-89-8
- US $0.00-0.00 / KG
- 99.0%+
- Shaanxi Dideu Medichem Co. Ltd
-
- 1,2-Dihydro-5-methyl
19735-89-8
- US $0.00-0.00 / Kg
- 99.0%+
- Shaanxi Dideu Medichem Co. Ltd
19735-89-8(1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one)Related Search:
1,2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one
1-PHENYL-3-METHYL-5-PYRAZOLONE
1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one
2-Phenyl-5-methyl-1,2-dihydro-3H-pyrazole-3-one
2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one
5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one
1,2-Dihydro-5-methyl
5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
5-Methyl-2-phenyl-1H-pyrazol-3(2H)-one
3H-Pyrazol-3-one,1,2-dihydro-5-methyl-2-phenyl-
Edaravone Related Compound
Edaravone Impurity 16
2-(1-cyclohexa-2,4-dienyl)-5-methyl-3-pyrazol-2-iumone
Edaravone Related Compound 1
1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-on
5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
19735-89-8 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Edaravone Impurity 9
19735-89-8
1844-09-0
