Dyes (2)

Methylene Blue 1% bottle with warning label.

Methylene Blue 1% Aqueous Stain/dye Solution

$12.00
Select options This product has multiple variants. The options may be chosen on the product page
Bottle of phenolphthalein chemical solution.

Phenolphthalein Indicator w/ Dropper Bottle – Lab Grade

$9.99
Select options This product has multiple variants. The options may be chosen on the product page
FD&C Red 40 chemical container with warning label.

Red 40 – FD&C Premium Food Grade Dye

Price range: $16.99 through $24.99
Select options This product has multiple variants. The options may be chosen on the product page
Bottle of solvent soluble dye, blue color.

Solvent Blue 4 (Victoria Blue B Base) – Solvent Soluble Dye

Price range: $14.99 through $29.99
Select options This product has multiple variants. The options may be chosen on the product page