| 摘要 |
Disclosed is a yellow monoazo pigment which is obtained by diazotization of anthranilic acid, coupling of the diazonium compound with 1-(3'-sulfophenyl)-3-methyl-5-pyrazolone and subsequent laking of the coupling product to a strontium salt. The pigment is characterized by the formula:The new pigment has excellent heat stability and bleed fastness and very high color strength. It is suitable for pigmenting of plastics, inks and coatings, and particularly suitable for pigmenting of plastics.
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