4645-07-2

Basic information

• Product Name: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
• Synonyms: 4-[(2-Methoxyphenyl)azo]-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one;C.I. 127450;2,4-Dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one;Solvent Yellow 72
• CAS NO: 4645-07-2
• Molecular Formula: C₁₇H₁₆N₄O₂
• Molecular Weight: 308.33
• EINECS: 225-074-3
• Mol File: 4645-07-2.mol
• Article Data: 0

Chemical Properties

• Melting Point: 166-167 ºC
• Boiling Point: 505.3 ºC at 760 mmHg
• Flash Point: 259.4 ºC
• Appearance: /
• Density: 1.24
• Vapor Pressure: 2.47E-10mmHg at 25°C
• Refractive Index: 1.63
• PKA: 1.35±0.70(Predicted)
• CAS DataBase Reference: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one(CAS DataBase Reference)
• NIST Chemistry Reference: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one(4645-07-2)
• EPA Substance Registry System: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one(4645-07-2)

Safety Data

• Hazardous Substances Data: 4645-07-2(Hazardous Substances Data)

Usage

Description

2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one is a chemical compound that belongs to the class of pyrazolone azo dyes. It is characterized by its red to brown color and is commonly used as a coloring agent in various industrial applications.

Uses

Used in Textile Industry:
2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one is used as a coloring agent for textiles to provide a range of red to brown shades. It is often combined with other dyes to achieve specific color variations.
Used in Plastics Industry:
In the plastics industry, 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one is used as a coloring agent to impart red to brown hues to plastic materials, enhancing their visual appeal and aesthetic properties.
Used in Printing Inks:
2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one is utilized as a coloring agent in the production of printing inks, offering a variety of red to brown tones for use in different printing applications.
Precaution:
While 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one has no known serious health risks, it may cause skin irritation and dermatitis in some individuals. Therefore, caution should be taken when handling products containing this chemical, especially in industries where direct contact is possible.

InChI:InChI=1/C17H16N4O2/c1-12-16(19-18-14-10-6-7-11-15(14)23-2)17(22)21(20-12)13-8-4-3-5-9-13/h3-11,16H,1-2H3