Used as a biological stain

It is used to colour nonpolar substances such as oils, fats, waxes, greases, various hydrocarbon products. It is a replacement for Solvent Red 26 with better solubility in hydrocarbons. The IRS requires a concentration spectrally equivalent to at least 3.9 pounds of Solvent Red 26 per thousand barrels of fuel” (11.1 mg/l); the concentrations required by EPA are roughly 5 times lower.

C.I. 26100
Dye Content: >85%
Molecular Formula: C22H16N4O
Molecular Weight: 352.39 g/mol
Melting Point: 199 °C (lit.)

Hazard Phrases: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Prec Phrases: Avoid breathing dust/fume/gas/mist/vapours/spray. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Wear protective gloves/protective clothing/eye protection/face protection.



Cas No: 85-86-9
Einecs No: 201-638-4