6426-63-7
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Basic information
- Product Name: 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt
- Synonyms: 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt;C.I.22440;C.I.Direct Violet 43
- CAS NO:6426-63-7
- Molecular Formula: C32H20N4Na2O8S2
- Molecular Weight: 698.63274
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6426-63-7.mol
- Article Data: 0
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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: 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt(CAS DataBase Reference)
- NIST Chemistry Reference: 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt(6426-63-7)
- EPA Substance Registry System: 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt(6426-63-7)
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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: 6426-63-7(Hazardous Substances Data)
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6426-63-7 Usage
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.Properties and Applications
red light purple. Soluble in water for purplish red color, not soluble in alcohol. The strong sulfuric acid in the dark for, for the red light purple diluted. The dye solution to join strong sodium hydroxide solution for blue-ray red. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 5 3 1 3-4 4-5Standard
Acid ResistanceFading
StainISO
5Check Digit Verification of cas no
The CAS Registry Mumber 6426-63-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.Calculate Digit Verification of CAS Registry Number 6426-63:
(6*6)+(5*4)+(4*2)+(3*6)+(2*6)+(1*3)=97
97 % 10 = 7
So 6426-63-7 is a valid CAS Registry Number.
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3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt
