You cannot add "Ultra High Purity Methylene Blue Powder (100 gms)" to the cart because the product is out of stock. Showing 1–9 of 23 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Biological StainsEosin Y Powdered Stain $60.00 Read more Biological StainsGentian Violet Powder | AR Grade $120.00 Add to cart Biological StainsGiemsa Stain Powder (25 gm) $60.00 Read more Biological StainsHematoxylin Powder (100 gms) $250.00 Read more Biological StainsHematoxylin Powder (25 gms) $85.00 Read more Biological StainsHigh Purity Indocyanine Green Powder (25 gms) $1,200.00 Read more Biological StainsMalachite Green Powder (Oxalate Salt) | 25 gm $35.00 Read more Biological StainsMethylene Blue | 0.4 gm | Ultra High Purity $33.00 Read more 1 2 3 →