6-amino-5-phenylazo-naphthalene-2-sulfonic acid is an organic compound with the chemical formula C16H13N3O3S. It is a yellow crystalline solid that is soluble in water and has a molecular weight of 331.35 g/mol. 6-amino-5-phenylazo-naphthalene-2-sulfonic acid is a derivative of naphthalene, featuring an amino group at the 6-position, a phenylazo group at the 5-position, and a sulfonic acid group at the 2-position. It is primarily used as a chemical intermediate in the synthesis of dyes and pigments, particularly in the production of azo dyes. Due to its chemical structure, it exhibits properties such as colorfastness and resistance to light, making it suitable for various industrial applications.
6481-89-6
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Basic information
- Product Name: 6-amino-5-phenylazo-naphthalene-2-sulfonic acid
- Synonyms:
- CAS NO:6481-89-6
- Molecular Formula:
- Molecular Weight: 327.364
- 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: 6-amino-5-phenylazo-naphthalene-2-sulfonic acid(CAS DataBase Reference)
- NIST Chemistry Reference: 6-amino-5-phenylazo-naphthalene-2-sulfonic acid(6481-89-6)
- EPA Substance Registry System: 6-amino-5-phenylazo-naphthalene-2-sulfonic acid(6481-89-6)
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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: 6481-89-6(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 6481-89-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,8 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.Calculate Digit Verification of CAS Registry Number 6481-89:
(6*6)+(5*4)+(4*8)+(3*1)+(2*8)+(1*9)=116
116 % 10 = 6
So 6481-89-6 is a valid CAS Registry Number.
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6-amino-5-phenylazo-naphthalene-2-sulfonic acid
