Nitrite (Ferroin) Indicator Du Bois #819-500ml
Nitrite (Ferroin) Indicator Du Bois #819 is a prepared indicator solution used in volumetric titrations for nitrite determination. The indicator is based on ferroin (iron(II)-phenanthroline complex), which provides a distinct color change at the endpoint, ensuring accurate detection in nitrite analyses.
Chemical Name:
Iron(II)-1,10-phenanthroline complex solution (Ferroin)
Synonyms:
Ferroin Indicator, Nitrite Indicator Solution, Du Bois #819
CAS Numbers:
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1,10-Phenanthroline: 66-71-7
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Iron(II) sulfate heptahydrate: 7782-63-0
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Water: 7732-18-5
Appearance:
Red-brown solution
Key Properties
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Ready-to-use nitrite indicator solution
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Produces distinct color change at titration endpoint
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Stable under normal laboratory storage conditions
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Used in high-precision nitrite titrations
Applications
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Detection and quantification of nitrite ions in water, wastewater, and chemical samples
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Volumetric titrations requiring precise endpoint determination
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Environmental and industrial quality control
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Laboratory research and analytical chemistry
Storage Conditions
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Store in a tightly closed container
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Keep in a cool, dark place
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Protect from contamination
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Room temperature storage recommended
Safety & Handling (General SDS Summary)
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May cause skin and eye irritation
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Avoid ingestion and inhalation
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Use gloves, lab coat, and eye protection
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Handle in a well-ventilated area








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