Bis(8-hydroxyquinolinium) sulphate, also known as Bis-8-HQS, is a chemical compound with the formula C18H14N2O2.2(SO4). It is a derivative of 8-hydroxyquinoline, a heterocyclic organic compound, and is often used as a ligand in coordination chemistry. bis(8-hydroxyquinolinium) sulphate is known for its ability to form stable complexes with various metal ions, making it a useful reagent in analytical chemistry for the detection and quantification of metals. It is also employed in the synthesis of certain types of dyes and pigments due to its ability to chelate with metal ions, which can alter their color properties. Bis(8-hydroxyquinolinium) sulphate is a white crystalline solid that is soluble in water and certain organic solvents, and its applications span across various fields, including chemical analysis, materials science, and the pharmaceutical industry.
495-99-8
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Basic information
- Product Name: bis(8-hydroxyquinolinium) sulphate
- Synonyms: 2-Hydroxy-4,4'-stilbenedicarboxamidine;2-Hydroxystilbene-4,4'-dicarboxamidine
- CAS NO:495-99-8
- Molecular Formula: C16H16N4O
- Molecular Weight: 280.3244
- EINECS: 207-811-0
- Product Categories: N/A
- Mol File: 495-99-8.mol
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Chemical Properties
- Melting Point: 235°
- Boiling Point: 509.678°C at 760 mmHg
- Flash Point: 262.044°C
- Appearance: /
- Density: 1.288g/cm3
- Vapor Pressure: 0mmHg at 25°C
- Refractive Index: 1.654
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: bis(8-hydroxyquinolinium) sulphate(CAS DataBase Reference)
- NIST Chemistry Reference: bis(8-hydroxyquinolinium) sulphate(495-99-8)
- EPA Substance Registry System: bis(8-hydroxyquinolinium) sulphate(495-99-8)
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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: 495-99-8(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 495-99-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.Calculate Digit Verification of CAS Registry Number 495-99:
(5*4)+(4*9)+(3*5)+(2*9)+(1*9)=98
98 % 10 = 8
So 495-99-8 is a valid CAS Registry Number.
InChI:InChI=1/C16H16N4O/c17-15(18)12-5-2-10(3-6-12)1-4-11-7-8-13(16(19)20)9-14(11)21/h1-9,21H,(H3,17,18)(H3,19,20)/b4-1+
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bis(8-hydroxyquinolinium) sulphate
