颜料索引号： C.I.pv-23#
Pigment index 
分 子 式  ： C34H22CL2N4O2
Molecular formula 
分 子 量  ：  589.28
Molecular weight 
CAS       ：      6358-30-1

   
永固紫RL系二恶嗪类的高档有机颜料。具有突出的着色强度与光亮度及其优异的耐热、耐渗性和良好的耐光牢度，各项性能都很优良的特点，其使用面广泛，是多种涂料、塑料、有机玻璃、橡胶、纺织印花、溶剂量、水性墨、包装印刷等领域深受欢迎的品种，在胶印、凹印、柔版印刷上也都适用。
Permanent violet RL is high-grade organic pigment of carbazole dioxathion.It has excellent tinting strenth and radiance and heat-resistance,penetrationresistance and good light-resistance fastness,and its performances have excellent features,and its application is wide and a popular product for coatings,plastics,organic glass,rubber,textile printing,solvent ink ,water ink,packing-printing,etc.and also suitable for offset printing,gravure,soft plate printing.

外观                      ：深紫色粉末          耐光性         级         ：6-8
Appearance                ：Dark violet powder  Lightfastness Grade       ：6-8

色光与标准品比较          ：近似~微似           耐热性℃                  ：≥220
Colored light compare
with standard sample      ：Apprixunately-micro Heat-resistance           ：≥220

着色率 为标准品           ：95%~105%            耐水性        级          ：5
Tinting power corresponds
to the standard sample    ：95%~105%            Water-resistance          ：5