logo
Banner

Pigment Yellow 23

Catalog Number DYE-PIG-0615
CAS Number 4981-43-5
Structure
Molecular Weight 343.33
Molecular Formula C21H13NO4
CI Number C.I.60520
Color brilliant green yellow to brilliant yellow.
Lightfastness Well
Main Molecular Structure anthraquinones
Preparation Method 1-Aminoanthracene-9,10-dione and 2-Hydroxybenzoic acid condensation.
Properties Soluble in nitrobenzene and pyridine. In concentrated sulfuric acid for yellow red, yellow precipitation after dilution.

It is important to note that our products are for research use only and are not for clinical use.

Online Inquiry
Verification code