Compound Q&A
How is C.I. Pigment Yellow 42 (CAS: 51274-00-1) typically synthesized?
Answer
C.I. Pigment Yellow 42 (CAS: 51274-00-1) is synthesized through a condensation reaction of a substituted aromatics and a β-naphthol derivative. Commonly, a strong base like sodium hydroxide is used as a catalyst to increase the yield. The process involves careful temperature control and reaction time to achieve high purity and selectivity.
About
CAS No
51274-00-1
English Name
C.I. Pigment Yellow 42
Molecular Formula
Fe2O3.H2O
Molecular Weight
177.7 g/mol
EINECS
257-098-5
SMILES
[Fe+3].O.[OH-].[O-2]
InChIKey
LDHBWEYLDHLIBQ-UHFFFAOYSA-M
Last Updated: 2025-09-08 00:42
