4551-69-3
4-Benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one
CAS: 4551-69-3
Molecular Formula: C17H14N2O2
4551-69-3 - Names and Identifiers
4551-69-3 - Physico-chemical Properties
| Molecular Formula | C17H14N2O2 |
| Molar Mass | 278.31 |
| Density | 1.21 |
| Melting Point | 90-92°C(lit.) |
| Boling Point | 421.12°C (rough estimate) |
| Flash Point | 244.2°C |
| Solubility | The enol formula is light yellow or yellow cubic crystal or powder. For a long time, the enol structure is partially transformed into a white crystalline ketone structure. It will gradually convert to ketone in polar solvents. Soluble in organic solvents such as methanol, ethanol, ether, chloroform and benzene. In alkaline solution, it can form salt and dissolve, and it is insoluble in water or |
| Vapor Presure | 2.23E-09mmHg at 25°C |
| Appearance | Yellow or white crystals |
| Color | White to Almost white |
| BRN | 888605 |
| pKa | 3.91±0.70(Predicted) |
| Storage Condition | Room Temprature |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00003136 |
| Use | This product is for scientific research only and shall not be used for other purposes. |
4551-69-3 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 29331990 |
4551-69-3 - Reference
| Reference Show more | 1. Liu Yao, Wang Xinran, Zhao Yue, etc. Composition and antioxidant properties of polysaccharides from buckwheat Peel [J]. Food and Fermentation Industries, 2019(13). 2. Wang Haonan, Wu Yumeng, Zhang Yongqing, Liu Qian. Antioxidant activity and composition of polysaccharides from flowers and roots of Salvia miltiorrhiza [J]. Journal of Liaoning University of Traditional Chinese Medicine, 2020,22(11):38-43. |
4551-69-3 - Introduction
It is used as an extraction chelating agent in analytical chemistry and radiochemistry for the determination of total trace rare earth elements in steel and non-ferrous metals. Extraction and separation of metals such as uranium, plutonium, americium, neptunium and thorium. Determination of nitric acid, nitrous acid and iodine.
Last Update：2022-10-16 17:25:18
4551-69-3 - Reference Information
| use | used as extraction chelating agent in analytical chemistry and radiochemistry for determination of total trace rare earth elements in steel and non-ferrous metals. Extraction and separation of metals such as uranium, plutonium, americium, neptunium and thorium. Determination of nitric acid, nitrous acid and iodine |
Last Update：2024-04-09 21:04:16
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Multiple Specifications
Product Name: PMBP Visit Supplier Webpage Request for quotationCAS: 4551-69-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
Product Name: 4-BENZOYL-3-METHYL-1-PHENYL-5-PYRAZOLINONE Request for quotation
CAS: 4551-69-3
Tel: 0086-13605431940
Email: xuli678323@126.com
Mobile: +86-13605431940
QQ: 56860987
Wechat: 13605431940
WhatsApp: 13605431940
CAS: 4551-69-3
Tel: 0086-13605431940
Email: xuli678323@126.com
Mobile: +86-13605431940
QQ: 56860987
Wechat: 13605431940
WhatsApp: 13605431940
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