6426-68-2
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Basic information
- Product Name: 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
- Synonyms: 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt;C.I.22485;C.I.Direct Blue 19;Direct Blue 3R;2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-((4'-((2-hydroxy-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt
- CAS NO:6426-68-2
- Molecular Formula: C32H23N5O8S2.2Na
- Molecular Weight: 715.68
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6426-68-2.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: 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt(6426-68-2)
- EPA Substance Registry System: 5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt(6426-68-2)
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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: 6426-68-2(Hazardous Substances Data)
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6426-68-2 Usage
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and Naphthalen-2-ol coupling, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.Properties and Applications
Red light blue and red light navy blue. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 5 5 1 2 2Standard
Acid ResistanceFading
StainISO
5Check Digit Verification of cas no
The CAS Registry Mumber 6426-68-2 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 8 respectively.Calculate Digit Verification of CAS Registry Number 6426-68:
(6*6)+(5*4)+(4*2)+(3*6)+(2*6)+(1*8)=102
102 % 10 = 2
So 6426-68-2 is a valid CAS Registry Number.
6426-68-2Upstream product
6426-68-2Downstream Products
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5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
