PIGMENT YELLOW 191 (Fast Yellow HGR)
Synonyms: C. I. Pigment Yellow 191
C. I. 18795
Pigment Brilliant Yellow HGR
4-Chloro-2-[[4, 5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)
-1H-pyrazol-4-yl]azo]-5-methylbenzenesulfonic acid calcium salt (1: 1)

Foreign relative brand:
HOSTAPRINT Yellow HGR 32 (CLAR)
PV Fast Yellow H2GR VP 2293 (DYSR)
PV Fast Yellow HGR(CLAR)
PV Fast Yellow HGR [W](HOE)
Yellow KGR(KEY)

1. Product Name
Trade Name: Fast Yellow HGR
C. I. Number: Pigment Yellow 191
CAS Number: 129423-54-7
EU Number: 403-530-4
Chemical Family: Mono azo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 524.99
Molecular Formula: C17H13ClN4O7S2Ca
P. H. Value: 7.0
Density: 1.6
Oil Absorption(ml/100g): 40
Light Fastness: 7
Heat Resistance: 300º C
Water Resistance: 5
Oil Resistance: 5
Acid Resistance: 5
Alkali Resistance: 5

3. Application
Shade: Bright yellow
Main Application: Plastic

Pigment yellow 97 ( Fast Yellow FGL)
Synonyms: C. I. Pigment Yellow 97
C. I. 11767
N-(4-Chloro-2, 5-dimethoxyphenyl)-2-[[2, 5-dimethoxy-4
-[(phenylamino)sulphonyl]phenyl]azo]-3-oxobutyramide

Foreign relative brand: Aritint Y ellow 97 (ARI)
Aurasperse W-1350
Organic Yellow 3GLX(ENGH)
Colanyl Yellow FGL130 (CLAR)
FGL Yellow FGL-LA (CLAR)
Hostatint Yellow FGL 30

1. Product Name
Trade Name: Permanent Yellow FGL
C. I. Number: Pigment Yellow 97
CAS Number: 12225-18-2
EU Number: 235-427-3
Chemical Family: Mono azo

2. Physical, Chemical and Fastness Properties
Molecular Weight: 591.08
Molecular Formula: C26H27CIN4O8S
P. H. Value: 7.5
Density: 1.5
Oil Absorption(ml/100g): 45
Light Fastness: 7
Heat Resistance: 200º C
Water Resistance: 5
Oil Resistance: 4
Acid Resistance: 5
Alkali Resistance: 5

3. Application
Shade: Bright Yellow
Main Application: Plastic and paint