DiI（DiIC18（3））是亲脂性膜染料，侧向扩散染色整个细胞。DiI被激发后发射橙红色荧光。荧光在水中很微弱，但是结合到细胞膜中时荧光信号强且具有光稳定性。
CAS：41085-99-8
分子式：C59H97ClN2O4
分子量：933.87
纯度：98%
存储：Store at -20°C

Background:

DiI (DiIC18(3)) is a lipophilic membrane dye that diffuses laterally to stain the entire cell. DiI is excited to emit orange-red fluorescence. The fluorescence is weak in water but strong and photostable when incorporated into membranes.