3-anilino-2-chloro-1H-phenothiazine-1,4(10H)-dione

2,5-Dichloro-3,6-bis(phenylamino)cyclohexa-2,5-diene-1,4-dione vulcanization. Vulcanizing agent including: sodium sulfide, sodium sulfide and sodium acetate, sulfur sodium hydride, sodium sulfide and sulfur sodium hydride, sodium thiosulfate and sodium sulfide and ferric chloride.

brown. In concentrated sulfuric acid for brown light olive, dilution after dark brown precipitation; In the basic insurance powder solution for yellow brown; In the acidic insurance powder solution for colorless.