Product Name: Pigment Yellow 191 for Plastic Model NO.: Pigment Yellow 191 Solubility: Insolubility Composition: Monoazo Type: Synthetic Application Material: Industry Coloring Usage: Plastic Colour: Yellow Pigment Yellow 191: Good Use for Plastic Trademark: SUNCOLOR Transport Package: 10/25kg Bag onto Pallets Origin: Hangzhou China HS Code: 3204170000 Product Description 1. Name: Pigment Yellow 191 - Brilliant Yellow HGR4-Chloro-2-[[4, 5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]azo]-5-methylbenzenesulfonic acid calcium salt (1: 1)CAS Number: 129423-54-7EINECS: 403-530-4C. I. No.: 18795Molecular Formula: C17H13CaClN4O7S22. Specification:FastnessLight: 6-7Heat: 300cWeatherability: 7Linseed Oil: 5Acid: 5Alkali: 5Oil absorption: ≤ 453. Application:Larger quantity used in plastic. Good heat resistance,Dispersion, strength, and migration4. Packing: 10/25kg bag onto pallets