Fast Green FCF is a synthetic, turquoise triarylmethane dye used in food, cosmetics, and as a biological stain. Its chemical formula is C37H34N2Na2O10S3 2353−45−92353 minus 45 minus 9, and it is also known by names such as FD&C Green No. 3 or Food Green 3.
Key uses:
- Coloring food products like dietary supplements, cereals, and frozen treats
- Coloring cosmetics and drugs
- As a staining agent in microscopy for histones and proteins, especially in electrophoresis
