3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt is a complex organic compound that exhibits unique color properties and solubility characteristics. It is characterized by its red light navy blue color and is soluble in water, where it appears blue. It is slightly soluble in ethanol, where it exhibits light gray and light purple shades, and is insoluble in other organic solvents. 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt also shows different color variations when treated with strong sulfuric acid (gray to light black) and diluted solutions (purple). Additionally, it forms dark and purple precipitates when mixed with strong hydrochloric acid and sodium hydroxide solutions, respectively.
6548-32-9
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Basic information
- Product Name: 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt
- Synonyms: 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt;C.I.34210;C.I.Direct Blue 69
- CAS NO:6548-32-9
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6548-32-9.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: 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt(6548-32-9)
- EPA Substance Registry System: 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt(6548-32-9)
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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: 6548-32-9(Hazardous Substances Data)
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6548-32-9 Usage
Uses
Used in Textile Industry:3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt is used as a dye in the textile industry for its colorfastness and resistance to various conditions. Its properties make it suitable for coloring fabrics, providing a vibrant and long-lasting color.
Used in Acid and Alkali Resistance Applications:
3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt is used in applications requiring resistance to acidic and alkaline environments due to its ability to maintain stability and color under such conditions. Its acid resistance rating of 4 and alkali resistance rating of 4-5 make it suitable for use in harsh chemical environments.
Used in Light Fastness Applications:
3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt is used in applications where light fastness is crucial, as it has a light fastness rating of 5. This makes it ideal for outdoor applications or products exposed to sunlight for extended periods.
Used in Soaping and Water Resistance Applications:
3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt is also used in applications requiring resistance to soaping and water, with a soaping rating of 3 and water fading rating of 3. This makes it suitable for use in products that need to maintain their color and appearance even when exposed to water and soap.
Overall, 3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt is a versatile compound with a range of applications in various industries, particularly in the textile industry, due to its unique color properties and resistance to different environmental conditions.
Preparation
3-Aminonaphthalene-1,5-disulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.Standard
Acid ResistanceFading
StainISO
4Check Digit Verification of cas no
The CAS Registry Mumber 6548-32-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,4 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.Calculate Digit Verification of CAS Registry Number 6548-32:
(6*6)+(5*5)+(4*4)+(3*8)+(2*3)+(1*2)=109
109 % 10 = 9
So 6548-32-9 is a valid CAS Registry Number.
InChI:InChI=1/C46H31N7O13S4.4Na/c54-46-31-15-13-28(47-27-7-2-1-3-8-27)21-26(31)22-44(70(64,65)66)45(46)53-52-41-20-19-40(34-16-14-30(25-36(34)41)67(55,56)57)51-50-39-18-17-38(32-9-4-5-10-33(32)39)49-48-29-23-37-35(43(24-29)69(61,62)63)11-6-12-42(37)68(58,59)60;;;;/h1-25,47,54H,(H,55,56,57)(H,58,59,60)(H,61,62,63)(H,64,65,66);;;;/q;4*+1/p-4
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3-[[4-[[4-[(1-Hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]naphthalene-1,5-disulfonic acid disodium salt
