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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2121277Generated: November 1, 2026

5,12-Dihydro-2,9-dimethylquino(2,3-b)acridine-7,14-dione → Quinacridone

https://huagongshe.com/reaction/2121277

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5,12-Dihydro-2,9-dimethylquino(2,3-b)acridine-7,14-dioneHCID 70423—
CatalystMonastral Blue BHCID 475701—
ProductQuinacridoneHCID 13976—

Reaction Steps

A surface-modified quinacridon colorant was prepared following the procedure of Preparation Example 6, except that hostaperm pink E colorant (colorant red 122) was used instead of phthalocyanine blue. As in Preparation Example 6, the resulting surface-modified coloring colorant was readily dissolved in an aqueous medium by stirring.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06695443B2
Source datasetuspto-grants-2004_02
ORD IDord-5b7bd4e62b4c48d093a885d34bdb8124
Source noteuspto-grants-2004_02