2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one is a yellow organic compound with properties such as light fastness, heat resistance, and stability in water, sodium carbonate, and hydrochloric acid. It has a melting point of 200°C and is soluble in various solvents.
82944-34-1
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Basic information
- Product Name: 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
- Synonyms: 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one;C.I.12731;C.I.Solvent Yellow 23
- CAS NO:82944-34-1
- Molecular Formula: C17H15N5O3
- Molecular Weight: 337.33
- EINECS: N/A
- Product Categories: N/A
- Mol File: 82944-34-1.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one(CAS DataBase Reference)
- NIST Chemistry Reference: 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one(82944-34-1)
- EPA Substance Registry System: 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one(82944-34-1)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 82944-34-1(Hazardous Substances Data)
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82944-34-1 Usage
Uses
Used in Plastics Industry:2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one is used as a coloring agent for polystyrene and amino plastic materials due to its heat resistance and stability in various conditions.
Used in Solvent Industry:
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one is used as a solvent for esters, acetate, and methyl acrylic materials due to its solubility and stability in different conditions.
Used in Textile Industry:
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one is used as a dye for textiles due to its light fastness and heat resistance properties.
Preparation
4-Methyl-3-nitrobenzenamine diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.Standard
Light FastnessMelting point
StableCheck Digit Verification of cas no
The CAS Registry Mumber 82944-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,4 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.Calculate Digit Verification of CAS Registry Number 82944-34:
(7*8)+(6*2)+(5*9)+(4*4)+(3*4)+(2*3)+(1*4)=151
151 % 10 = 1
So 82944-34-1 is a valid CAS Registry Number.
82944-34-1Upstream product
82944-34-1Downstream Products
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2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
