4-(4-amino-1-naphthylazo)benzenesulphonic acid is an organic compound with the chemical formula C16H14N4O3S. It is a derivative of naphthalene, featuring a benzene ring attached to a naphthylazo group, which in turn is connected to a benzenesulphonic acid moiety. 4-(4-amino-1-naphthylazo)benzenesulphonic acid is known for its use as a chromogenic agent in analytical chemistry, particularly in the determination of metal ions through the formation of colored complexes. It is also utilized in the synthesis of dyes and pigments due to its ability to produce intense colors. The compound's structure allows for specific interactions with metal ions, making it a valuable tool in various industrial and research applications.
3713-23-3
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Basic information
- Product Name: 4-(4-amino-1-naphthylazo)benzenesulphonic acid
- Synonyms: 4-(4-amino-1-naphthylazo)benzenesulphonic acid;4-(4-Amino-1-naphtylazo)benzenesulfonic acid;4-[(4-Amino-1-naphthalenyl)azo]benzenesulfonic acid;Einecs 223-060-1;4-(4-Amino-1-naphthylazo)benzenesulfonic acid
- CAS NO:3713-23-3
- Molecular Formula: C16H13N3O3S
- Molecular Weight: 327.35772
- EINECS: 223-060-1
- Product Categories: N/A
- Mol File: 3713-23-3.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: °Cat760mmHg
- Flash Point: °C
- Appearance: /
- Density: 1.43g/cm3
- Refractive Index: 1.689
- Storage Temp.: N/A
- Solubility: N/A
- PKA: -1.08±0.50(Predicted)
- CAS DataBase Reference: 4-(4-amino-1-naphthylazo)benzenesulphonic acid(CAS DataBase Reference)
- NIST Chemistry Reference: 4-(4-amino-1-naphthylazo)benzenesulphonic acid(3713-23-3)
- EPA Substance Registry System: 4-(4-amino-1-naphthylazo)benzenesulphonic acid(3713-23-3)
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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: 3713-23-3(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3713-23-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,1 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.Calculate Digit Verification of CAS Registry Number 3713-23:
(6*3)+(5*7)+(4*1)+(3*3)+(2*2)+(1*3)=73
73 % 10 = 3
So 3713-23-3 is a valid CAS Registry Number.
InChI:InChI=1/C16H13N3O3S/c17-15-9-10-16(14-4-2-1-3-13(14)15)19-18-11-5-7-12(8-6-11)23(20,21)22/h1-10H,17H2,(H,20,21,22)
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4-(4-amino-1-naphthylazo)benzenesulphonic acid
