Compound Q&A
What are the physical and chemical properties of Pigment Yellow 53 (CAS: 1303-33-9)?
Answer
Pigment Yellow 53 (CAS: 1303-33-9) is a yellow pigment with a crystalline form. Its molecular weight is approximately 821.7 g/mol. It is insoluble in water but soluble in organic solvents. Its chemical structure is based on a dibenzalacetone chromophore. This pigment is stable under normal conditions but may react with strong oxidizing agents. It has a high lightfastness and is resistant to weathering and fading.
About
CAS No
1303-33-9
English Name
Pigment Yellow 53
Molecular Formula
As4S6
Molecular Weight
492.08 g/mol
EINECS
215-117-4
SMILES
S1[As]2S[As]3S[As]1S[As](S2)S3
InChIKey
OUFDYFBZNDIAPD-UHFFFAOYSA-N
Last Updated: 2025-10-10 19:08
