3-Hydroxy-naphthalene-2,7-disulfonic acid dianilide is a complex organic compound with the chemical formula C18H14N2O6S2. It is derived from naphthalene, a polycyclic aromatic hydrocarbon, and is characterized by the presence of two sulfonic acid groups at the 2 and 7 positions, and a hydroxyl group at the 3 position. The compound is further modified by the attachment of two aniline groups, which are amino-substituted benzene rings. This chemical is known for its potential applications in the synthesis of dyes and pigments, particularly those used in the textile and paper industries, due to its ability to form colored compounds. The disulfonic acid groups enhance the solubility and affinity for certain substrates, making it a valuable intermediate in the production of specific dye classes.
7709-05-9
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Basic information
- Product Name: 3-hydroxy-naphthalene-2,7-disulfonic acid dianilide
- Synonyms:
- CAS NO:7709-05-9
- Molecular Formula:
- Molecular Weight: 454.527
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 3-hydroxy-naphthalene-2,7-disulfonic acid dianilide(CAS DataBase Reference)
- NIST Chemistry Reference: 3-hydroxy-naphthalene-2,7-disulfonic acid dianilide(7709-05-9)
- EPA Substance Registry System: 3-hydroxy-naphthalene-2,7-disulfonic acid dianilide(7709-05-9)
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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: 7709-05-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 7709-05-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,0 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.Calculate Digit Verification of CAS Registry Number 7709-05:
(6*7)+(5*7)+(4*0)+(3*9)+(2*0)+(1*5)=109
109 % 10 = 9
So 7709-05-9 is a valid CAS Registry Number.
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3-hydroxy-naphthalene-2,7-disulfonic acid dianilide
