Trypan Blue

**Semantic type:** Indicator, Reagent, or Diagnostic Aid|Organic Chemical

**Definition:** An acid azo dye commonly used as a stain to distinguish viable from non-viable cells. It turns dead cells blue and viable cells unstained. It is a known animal carcinogen and an experimental teratogen.

**Synonyms:** - Benzamine Blue - Benzamine Blue - C34H28N6O14S4 - TRYPAN BLUE - Visionblue