Basic information Safety Supplier Related

Pigment Yellow 191

Basic information Safety Supplier Related

Pigment Yellow 191 Basic information

Product Name:
Pigment Yellow 191
Synonyms:
  • Pigment Brilliant Yellow HGR
  • PIGMENT YELLOW 191
  • c.i. 18795
  • PYRAZOLONE YELLOW HGR
  • Benzenesulfonic acid, 4-chloro-2-4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-ylazo-5-methyl-, calcium salt (1:1)
  • 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)
  • Benzenesulfonic acid, 4-chloro-2-[2-[4,5-dihydro-3-methyl-5-o xo-1-(3-sulfophenyl)-1H-pyrazol-4-y l]diazenyl]-5-methyl-, calcium salt (1:1)
  • Pigment -- Pigment Yellow 191
CAS:
129423-54-7
MF:
C17H17CaClN4O7S2
MW:
528.99
EINECS:
403-530-4
Mol File:
129423-54-7.mol
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Pigment Yellow 191 Chemical Properties

Density 
1.64[at 20℃]
Water Solubility 
94.5mg/L at 20℃
LogP
1.844 at 20℃
CAS DataBase Reference
129423-54-7(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfonic acid, 4-chloro-2-[2-[4,5-dihydro-3-methyl-5-oxo-1-(3-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]-5-methyl-, calcium salt (1:1) (129423-54-7)
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Safety Information

TSCA 
TSCA listed
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Pigment Yellow 191 Usage And Synthesis

Flammability and Explosibility

Non flammable

Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

YELLOW POWDER

SHADE

GREENISH

HEAT RESISTANCE

300 °C min

LIGHT FASTNESS

7-8

ACID RESISTANCE

4

ALKALI RESISTANCE

4

FASTNESS TO BLEEDING

5

OIL ABSORPTION

40-50%

SPECIFIC SURFACE

27 m 2 /g

DENSITY

1.70 g/cm 3

RESIDUE ON 80 MESH

5.0% max

WATER SOLUBLE

1.0% max

VOLATITE 105 °C

1.0% max

TINTING STRENGTH

100-105 %

Pigment Yellow 191Supplier

Winchem Industrial Co. Ltd
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