2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt is a brilliant yellow compound with good levelness and discharge properties. It is used for dyeing and printing on wool and silk fabrics.
6359-56-4
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Basic information
- Product Name: 2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt
- Synonyms: 2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt;C.I.19040;C.I.Acid Yellow 55;Fast Light Yellow X
- CAS NO:6359-56-4
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6359-56-4.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-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt(6359-56-4)
- EPA Substance Registry System: 2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt(6359-56-4)
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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: 6359-56-4(Hazardous Substances Data)
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6359-56-4 Usage
Uses
Used in Textile Industry:2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt is used as a dye for wool and silk fabrics due to its brilliant yellow color and good levelness and discharge properties.
Standard:
The standard for 2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt includes the following properties:
Light Fastness: ISO 4-5
Soaping: 3
Persperation Fastness: 3
Oxygen bleaching: 4
Fastness to seawater: 1
These standards indicate the compound's performance and durability under various conditions, making it suitable for use in the textile industry.
Preparation
2-Aminonaphthalene-1-sulfonic acid diazo, and 1-(2-Methyl-4-sulfo-6-chlorophenyl)-3-methyl-5-pyrazolone coupling.Standard
Light FastnessFading
StainISO
4-5Check Digit Verification of cas no
The CAS Registry Mumber 6359-56-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,5 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.Calculate Digit Verification of CAS Registry Number 6359-56:
(6*6)+(5*3)+(4*5)+(3*9)+(2*5)+(1*6)=114
114 % 10 = 4
So 6359-56-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H17ClN4O7S2.2Na/c1-11-9-14(34(28,29)30)10-16(22)19(11)26-21(27)18(12(2)25-26)24-23-17-8-7-13-5-3-4-6-15(13)20(17)35(31,32)33;;/h3-10,18H,1-2H3,(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2
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2-[[1-(2-Chloro-6-methyl-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid disodium salt
