Duasyn® Acid Rhodamine B-SF by Heubach is a salt-free, water-soluble dye with high purity (no insoluble components) and high surface tension. Highly recommended for use in ink-jet inks. Duasyn® Acid Rhodamine B-SF is designed for... view more

Duasyn® Red 3B-SF liquid by Heubach is a salt-free, water-soluble dye (monoazo). Possesses high purity (no insoluble components) and high surface tension. Duasyn® Red 3B-SF liquid is recommended for ink jet inks, writing... view more