Molekula
Ferrozine (3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine) sodium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ferrozine sodium salt is a chelating agent used for the colorimetric detection and quantification of ferrous ions (Fe²⁺) in solution. It forms a stable, intensely colored complex with Fe²⁺, enabling sensitive iron analysis in biological, environmental, and industrial samples. Available in powder form, it has a molecular weight of 492.46 g/mol, a molecular formula of C20H13N4NaO6S2, and a CAS number of 69898-45-9. Store at ambient temperature. Signal word: Warning. Molekula supplies Ferrozine (3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine) sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £210.00 per pack ex VAT · £252.00 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
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Specifications
| Property | Value |
|---|---|
| Appearance | Yellow Powder |
| Identification | Conforms to reference |
| pH | 2.0 - 3.5 |
| Loss on Drying | ≤ 3.0% |
| Water (KF) | ≤ 10.0% |
| Assay (dried basis) | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 39880879 |
| CAS Number | 69898-45-9 |
| IUPAC Name | sodium 4-[3-pyridin-2-yl-6-(4-sulfophenyl)-1,2,4-triazin-5-yl]benzenesulfonate |
| EC Number | 274-196-3 |
| Molecular Formula | C20H13N4NaO6S2 |
| Molecular Weight | 492.46 |
| Exact Mass | 492.0174 |
| SMILES | C1=CC=NC(=C1)C2=NC(=C(N=N2)C3=CC=C(C=C3)S(=O)(=O)O)C4=CC=C(C=C4)S(=O)(=O)[O-].[Na+] |
| InChIKey | ZGVNYCXXBQPDPQ-UHFFFAOYSA-M |
| InChI | InChI=1S/C20H14N4O6S2.Na/c25-31(26,27)15-8-4-13(5-9-15)18-19(14-6-10-16(11-7-14)32(28,29)30)23-24-20(22-18)17-3-1-2-12-21-17;/h1-12H,(H,25,26,27)(H,28,29,30);/q;+1/p-1 |
| PubChem CID | 23662871 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29336960 |
| Tariff Code | 2933698090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 3(2Pyridyl)5,6bis(4sulfophenyl)1,2,4triazine, monosodium salt
- 3(2Pyridyl)5,6diphenyl1,2,4triazine4',4''disulfonic acid sodium salt
- 3(2Pyridyl)5,6diphenyl1,2,4triazine4',4''disulfonic acid, monosodium salt
- 5,6Diphenyl3(2pyridyl)1,2,4triazine4',4''disulfonic acid sodium salt
- BENZENESULFONIC ACID, 4,4'-[3-(2-PYRIDNYL)-1,2,4-TRIAZINE-5,6-DIYL]BIS-
- Ferrozine monosodium salt
- Ferrozine sodium
- Ferrozine sodium salt
- PDT disulfonate
- Sodium (3(pyridin2yl)1,2,4triazine5,6diyl)bis(benzene4,4'sulphonate)
Frequently asked questions
What is Ferrozine (3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine) sodium salt primarily used for?
Ferrozine is commonly used as a highly selective colorimetric reagent for the detection and quantification of iron (Fe²⁺) in analytical chemistry, environmental testing, and industrial applications.
What is the molecular formula and molecular weight of Ferrozine?
The molecular formula is **C₂₀H₁₃N₄NaO₆S₂**, and the molecular weight is **492.46 g/mol**.
What is the recommended storage condition for Ferrozine?
Store Ferrozine at **ambient temperature** in a cool, dry place, away from direct sunlight and moisture.
What grade or purity level is available for Ferrozine from Molekula?
Molekula supplies Ferrozine in **analytical reagent (AR) grade**, suitable for high-precision applications.
Can Molekula supply Ferrozine in bulk quantities?
Yes, Ferrozine is available in bulk quantities—contact our sales team for custom packaging and pricing.
What documentation is provided with a Ferrozine order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.