Commonly used in microscopy. It is a cytoplasmic stain, often used together with a nuclear stain such as haematoxylin or methylene blue.

Biological Dye
Cytoplasmic Stain

C.I. 45430

Dye Content: >80%
Molecular Formula: C20H6I4Na2O5
Molecular Weight: 879.87 g/mol
Water insoluble matter: < 0.20%
Subsidiary dyes: < 4.00%
Tri-Iodoresorcinol: < 0.20%
Inorganic Iodides as Sodium Iodide: < 0.10%
Solubility (10 mg/ml, H2O): Clear, red-orange to red solution
Spectroscopy: ~525 nm
Visual Transition Interval: From pH 0.0 (yellow) To pH 3.5 (fluorescent red)

Hazard Phrases: Harmful if swallowed. May cause long lasting harmful effects to aquatic life.

Prec Phrases: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth.



Cas No: 16423-68-0
Einecs No: 240-474-8