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Pigment Yellow 191

Name:C.I.Pigment Yellow 191,C.I.18795

Molecular Structure: Single azo

C.I.Pigment Yellow 191,C.I.18795,CAS 129423-54-7,486.91,C17H15ClN4O7S2,Hostaprint Yellow HGR,PV Fast Yellow H2GR VP,PV Fast Yellow HGR,Yellow KGR

C.I.Pigment Yellow 191,C.I.18795,CAS 129423-54-7,486.91,C17H15ClN4O7S2,Hostaprint Yellow HGR,PV Fast Yellow H2GR VP,PV Fast Yellow HGR,Yellow KGR

Molecular Formula:C17H15ClN4O7S2

Molecular Weight: 486.91

CAS Registry Number:129423-54-7

Manufacturing Methods :2-Amino-4-chloro-5-methylbenzenesulfonic acid diazotization, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then into calcium salt.

Properties and Applications:brilliant yellow. Suitable for rubber, PVC color, suitable for in addition to PA outside all plastic, solvent resistance excellent.

Light Fastness Heat resistance(℃ ) Sodium carbonate(5%) Muriatic acid(5%) Oleic acid PVC migration Soap micelle bleeding
Melting point Stable
7 300 5

List of Suppliers:

Hostaprint Yellow HGR 32( Clariant GmbH )

PV Fast Yellow H2GR VP 2293 (DyStar GmbH & Co Deutschland KG)

PV Fast Yellow HGR ( Clariant GmbH )

PV Fast Yellow HGR ( Hoechst A G )

Yellow KGR ( Keystone Aniline Corporation )


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