Pigment Red 179/Vat Red 23
C .I . NO:Pigment Red 179
CAS NO:5521-31-3
Molecular Weight: 418.4004
Molecular Formula:C26H14N2O4
Manufacturing Methods : (a)2-Methyl-1H-benz[de]isoquinoline-1,3(2H)-dione with Sodium hydroxide melting; (b) will be 3,4,9,10-Perylenetetracarboxylic acid diimide diimide methylation.
Properties and Applications:dark red. Red or dark red powder. Insoluble in water and general organic solvent. Used in high-grade paint, is the main car red paint colorants. Used as a high-grade coatings (car original primer), can also be used in paints and plastics coloring agent, also is the good VAT dye. With C.I.Vat Red 23 and the same chemical structure.
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Pigment Red 179
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Physical & Chemical Properties：
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Product Name |
C.I.N |
Property |
Lignt fastness |
Heat resisitance (℃) |
Oil absorption (ml/ 100g) |
APPLICATION |
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PRINTING INK |
PAINT&COAIING |
Plastic&Rubber |
Paste |
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Offset ink |
Waterbase ink |
Surface ink |
Interior ink |
Solvent base |
Water base |
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Pigment Red 179 |
P.R.179 |
Pastic,Universal Grade |
8 |
250 |
40 |
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