6426-66-0
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Basic information
- Product Name: 3-[[4'-[(8-Amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,5-disulfonic acid disodium salt
- Synonyms: 3-[[4'-[(8-Amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,5-disulfonic acid disodium salt;C.I.22475;C.I.Direct Blue 16;Diaphtamine Blue ES;1,6-Naphthalenedisulfonic acid, 7-((4'-((8-amino-1-hydroxy-5-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-8-hydroxy-, trisodium salt
- CAS NO:6426-66-0
- Molecular Formula: C32H20N5Na3O11S3
- Molecular Weight: 815.69241
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6426-66-0.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-[[4'-[(8-Amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,5-disulfonic acid disodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 3-[[4'-[(8-Amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,5-disulfonic acid disodium salt(6426-66-0)
- EPA Substance Registry System: 3-[[4'-[(8-Amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,5-disulfonic acid disodium salt(6426-66-0)
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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: 6426-66-0(Hazardous Substances Data)
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6426-66-0 Usage
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling, and then and 8-Hydroxynaphthalene-1,6-disulfonic acid coupling.Properties and Applications
dark red light purple to red light navy blue. Soluble in water for blue purple, not soluble in alcohol. The strong sulfuric acid for blue, purple precipitation after diluted. The dye solution to join hydrochloric acid blue precipitation; Add thick sodium hydroxide solution for red wine. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 5 4 1 2Standard
Acid ResistanceFading
StainISO
5Check Digit Verification of cas no
The CAS Registry Mumber 6426-66-0 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 6 respectively.Calculate Digit Verification of CAS Registry Number 6426-66:
(6*6)+(5*4)+(4*2)+(3*6)+(2*6)+(1*6)=100
100 % 10 = 0
So 6426-66-0 is a valid CAS Registry Number.
6426-66-0Upstream product
6426-66-0Downstream Products
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3-[[4'-[(8-Amino-1-hydroxy-5-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,5-disulfonic acid disodium salt
