1-(2'-hydroxy-5'-methylphenylazo)naphthalene is a synthetic organic compound characterized by its vibrant color and unique molecular structure. This azo dye is formed by the coupling of 2-hydroxy-5-methylbenzenediazonium chloride with 1-naphthol, resulting in a stable, conjugated system that exhibits strong absorption in the visible light region. The compound is widely used in various applications, including as a colorant in paints, plastics, and textiles, as well as in analytical chemistry for the detection and quantification of metal ions. Its chemical formula is C17H14N2O, and it is known for its high solubility in organic solvents and relatively low solubility in water. The compound's molecular structure features a naphthalene ring connected to a phenyl ring through an azo group (-N=N-), with a hydroxyl group and a methyl group attached to the phenyl ring, contributing to its distinct properties and reactivity.
6657-10-9
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Basic information
- Product Name: 1-(2'-hydroxy-5'-methylphenylazo)naphthalene
- Synonyms:
- CAS NO:6657-10-9
- Molecular Formula:
- Molecular Weight: 262.311
- 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: 1-(2'-hydroxy-5'-methylphenylazo)naphthalene(CAS DataBase Reference)
- NIST Chemistry Reference: 1-(2'-hydroxy-5'-methylphenylazo)naphthalene(6657-10-9)
- EPA Substance Registry System: 1-(2'-hydroxy-5'-methylphenylazo)naphthalene(6657-10-9)
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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: 6657-10-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 6657-10-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,5 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.Calculate Digit Verification of CAS Registry Number 6657-10:
(6*6)+(5*6)+(4*5)+(3*7)+(2*1)+(1*0)=109
109 % 10 = 9
So 6657-10-9 is a valid CAS Registry Number.
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1-(2'-hydroxy-5'-methylphenylazo)naphthalene
