本品為紫色的液體。溶解性：可與水、乙醇互溶，形成紫色著色溶液。理化特性：三苯甲烷類染料復(fù)配水溶液；著色能力強；遇強光長期存放顏色會逐漸變淡；具備染料類抑菌防腐特性。

1. 取本品適量，加乙醇稀釋，溶液呈現(xiàn)紫色，滴加稀酸后顏色不會發(fā)生改變；加入稀氨溶液，溶液變?yōu)樽睾稚?div style="font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-size-adjust: none; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-variant-emoji: normal; font-stretch: normal; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">