Ferrozine disodium salt
- CAS NO.：28048-33-1
- Empirical Formula: C20H15N4NaO6S2
- Molecular Weight: 494.47
- MDL number: MFCD00041027
- EINECS: 248-797-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:54:15
What is Ferrozine disodium salt?
Physical properties
The visible absorption spectrum of the ferrous complex of ferrozine exhibits a single sharp peak with maximum absorbance at 562 nm. At this wavelength, the molar absorptivity is 27,900 and the Beer-Lambert law is obeyed to approximately 4 mg/liter of Fe.
It has been determined by spectrophotometric titration that ferrozine forms the expected tris complex with ferrous iron. The magenta Fe(ligand)8z+ species will form completely in aqueous solution between the pH values of 4 and 9. Once formed between these values, the complex is stable to 1N perchloric acid.
The Uses of Ferrozine disodium salt
Ferrozine is a ferroin compound that forms a stable magenta-colored solution with the ferrous ion. The complex has an absorption peak at 562 nm and is used as a reagent and indicator for iron.
Properties of Ferrozine disodium salt
| Melting point: | >300 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| form | powder to crystal |
| color | Light yellow to Amber to Dark green |
| Water Solubility | soluble |
| BRN | 5222087 |
| CAS DataBase Reference | 28048-33-1(CAS DataBase Reference) |
| EPA Substance Registry System | Benzenesulfonic acid, 4,4'-[3-(2-pyridinyl)-1,2,4-triazine-5,6-diyl]bis-, disodium salt (28048-33-1) |
Safety information for Ferrozine disodium salt
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Ferrozine disodium salt
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