Trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate is a red light brown dye that is soluble in water, producing a brown solution. It exhibits unique color changes when interacting with acids and bases, turning into a light color with strong sulfuric acid and a palm red color upon the addition of sodium hydroxide.
6360-43-6
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Basic information
- Product Name: trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
- Synonyms: trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate;4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid trisodium salt;4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfonaphthalen-2-yl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulfonic acid trisodium salt;C.I.31860;C.I.Direct Brown 93;Corium Chrome Brown MRG
- CAS NO:6360-43-6
- Molecular Formula: C34H23N8Na3O11S3
- Molecular Weight: 884.75773
- EINECS: 228-827-4
- Product Categories: N/A
- Mol File: 6360-43-6.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: trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate(CAS DataBase Reference)
- NIST Chemistry Reference: trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate(6360-43-6)
- EPA Substance Registry System: trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate(6360-43-6)
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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: 6360-43-6(Hazardous Substances Data)
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6360-43-6 Usage
Uses
Used in Dye Industry:Trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate is used as a dye for coloring various materials due to its unique color properties and ability to change color in response to pH changes.
Used in Analytical Chemistry:
This dye can be employed as an indicator in analytical chemistry, particularly for pH measurements, due to its distinct color changes in the presence of acids and bases.
Used in Art and Crafts:
Trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate can be utilized in art and crafts projects to create unique color effects and designs, taking advantage of its color-changing properties.
Preparation
2,2′-Disulfo-4,4,diaminobibenzene double nitriding, first with phenol?, and then in three alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, product to diazo, and Benzene-1,3-diamine coupling.Check Digit Verification of cas no
The CAS Registry Mumber 6360-43-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,6 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.Calculate Digit Verification of CAS Registry Number 6360-43:
(6*6)+(5*3)+(4*6)+(3*0)+(2*4)+(1*3)=86
86 % 10 = 6
So 6360-43-6 is a valid CAS Registry Number.
6360-43-6Upstream product
6360-43-6Downstream Products
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trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
