GALLIUM(III) PHTHALOCYANINE HYDROXIDE synthesis
- Product Name:GALLIUM(III) PHTHALOCYANINE HYDROXIDE
- CAS Number:63371-84-6
- Molecular formula:C32H16GaN8O
- Molecular Weight:598.26
Yield:63371-84-6 23%
Reaction Conditions:
in water at 10;
Steps:
2
4.65 parts of the chlorogallium phthalocyanine pigment obtained in Synthesis Example 1 was dissolved in 139.5 parts of concentrated sulfuric acid at a temperature of 10 ° C. and added dropwise to 620 parts of ice water under stirring to reprecipitate the filter press And filtered. The obtained wet cake (filtrate) was dispersed and washed with 2% aqueous ammonia, and then filtered using a filter press. Subsequently, the obtained wet cake (filtrate) was dispersed and washed with ion exchanged water, and then filtration using a filter press was repeated three times to obtain a hydroxygallium phthalocyanine pigment having a solid content of 23%
References:
JP2017/75115,2017,A Location in patent:Paragraph 0050
19717-79-4
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