Ferroin indicator solution

0.1 wt. % in H2O

1,10-Phenanthroline iron(II) sulfate complex, o-Phenanthroline ferrous sulfate complex
Linear Formula:
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.



Quality Level


0.1 wt. % in H2O


hematology: suitable
histology: suitable


0.999 g/mL at 25 °C

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Diagnostic Assay Manufacturing

storage temp.

room temp

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General description

Ferroin serves as an indicator of oxidation reduction reactions in titrimetric analysis. Ferroin is the complex of 1,10-phenanthroline and Fe(II). It is also used as a catalyst for Belousov−Zhabotinsky reaction.


100, 500 mL in glass bottle

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Chemical Demonstrations: A Handbook for Teachers of Chemistry, 2, 261-261 (1985)
Separation, Preconcentration and Spectrophotometry in Inorganic Analysis, 229-229 (2000)
Artificial Life Models in Hardware, 236-236 (2009)
V H Tomasi et al.
Biotechnic & histochemistry : official publication of the Biological Stain Commission, 78(5), 255-259 (2004-03-03)
We describe here a new method for specific staining of mast cells using ferroin. Different hamster tissues were fixed in 4% formalin and processed for paraffin embedding. Sections were stained with hematoxylin followed by ferroin acidified with 2.5 N sulfuric...
E Luque-Pérez et al.
Fresenius' journal of analytical chemistry, 366(8), 857-862 (2001-03-03)
Two spectrophotometric methods, a photochemical and a non-photochemical, for the determination of ascorbic acid in soft drinks and beer using a flow-injection system are proposed. The non-photochemical method is based on the redox reaction that takes place between ascorbic acid...

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