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Pigment Yellow 18

Catalog Number DYE-PIG-0616
CAS Number 1326-11-0
Structure
Molecular Weight 318.86
Molecular Formula C17H19ClN2S
CI Number C.I.49005:1
Color brilliant green yellow to brilliant yellow.
Lightfastness Good
Main Molecular Structure thiazole
Oleic Acid Well
Preparation Method 4-(6-Methyl-2,3-dihydrobenzo[d]thiazol-2-yl)benzenamine with methanol and hydrochloric acid and sulfuric acid in 160 ~ 170 ℃ in the pressure of methylation, then use phosphorus tungsten molybdenum acid salt lake change.
Properties Soluble in cold water, soluble in hot water for yellow, soluble in ethanol for yellow, with green fluorescence. In concentrated sulfuric acid to colorless, but there are dark green fluorescence, dilution after buff.
Soap Micelle Bleeding Serious

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