Product Description
3-(2-Pyridyl)-5,6-Diphenyl-1,2,4-Triazine-4′,4”-Disulphonic Acid Disodium Salt (commonly known as Ferrozine) is a water-soluble analytical reagent extensively used for the colorimetric determination of ferrous (Fe²⁺) ions. It forms a highly stable magenta-colored complex with Fe²⁺, which is widely utilized in spectrophotometric and biochemical assays.
This reagent is essential in analytical chemistry, clinical diagnostics, environmental monitoring, and water analysis for accurate trace metal detection.

Key Features
- Chemical Name: 3-(2-Pyridyl)-5,6-Diphenyl-1,2,4-Triazine-4′,4”-Disulphonic Acid Disodium Salt
- Common Name: Ferrozine
- Chemical Formula: C₁₇H₁₂N₄Na₂O₆S₂
- CAS Number: 27076-47-9
- Molecular Weight: 510.42 g/mol
- Appearance: Red to purple crystalline or powder form
- Odor: Odorless
- Melting Point: Decomposes above 250 °C
- Solubility: Highly soluble in water; insoluble in most organic solvents
- Purity: ≥99% (Analytical / Reagent Grade)
- pH (1% Solution): 5.0–6.5
- Stability: Stable under normal laboratory conditions
Applications
Analytical Chemistry
- Used as a spectrophotometric reagent for the quantitative determination of Fe²⁺ ions by forming a stable, magenta-colored complex measurable at 562 nm.
- Effective in colorimetric assays for other transition metals such as copper, cobalt, and nickel.
- Ideal for trace metal detection in water, soil, and industrial samples.
Biochemical & Environmental Testing
- Extensively used in biochemical assays to measure iron levels in biological fluids.
- Plays a key role in environmental monitoring for assessing metal contamination.
- Applied in clinical and nutritional analysis for iron metabolism studies.
Educational Applications
- Demonstrates metal–ligand complex formation in teaching laboratories.
- Used in training experiments involving colorimetric and spectrophotometric techniques.
Safety & Handling
- Hazard: May cause irritation to eyes, skin, and respiratory tract. Harmful if swallowed.
- Precautions: Handle with gloves, goggles, and protective clothing. Avoid inhalation of dust or direct contact. Work under a fume hood.
- Storage: Store in a tightly closed container, in a cool, dry, and dark place. Keep away from strong oxidizers and acids.
- Emergency: In case of contact, wash thoroughly with water and seek medical advice if necessary.
Why Choose 3-(2-Pyridyl)-5,6-Diphenyl-1,2,4-Triazine-4′,4”-Disulphonic Acid Disodium Salt?
- High-purity analytical reagent for precise spectrophotometric determinations.
- Reliable, sensitive, and reproducible colorimetric response for Fe²⁺ analysis.
- Excellent water solubility ensures easy preparation and consistent results.
- Professionally tested and securely packaged to ensure stability and long shelf life.
Price in Bangladesh
Available in analytical-grade packaging (1 g, 5 g, 10 g, 25 g) at competitive prices.
Bulk and institutional discounts offered for research, educational, and industrial sectors.
Where to Buy
3-(2-Pyridyl)-5,6-Diphenyl-1,2,4-Triazine-4′,4”-Disulphonic Acid Disodium Salt is available through authorized laboratory reagent suppliers and distributors across Bangladesh.
Why Buy from M/S Bright Scientific Co.?
- Trusted Supplier: Serving research institutions, universities, and analytical laboratories.
- Assured Quality: Verified for analytical and spectrophotometric-grade performance.
- Competitive Pricing: Affordable for both small and bulk orders.
- Prompt Delivery: Safe, secure, and nationwide delivery network.
Contact Information
M/S Bright Scientific Co.
📞 Phone: 01711285976






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