We are offering alizarine cyanine green c.i.no. 61570 m.w. 622.59 melting point 235-238oc absorption maxima 608-642 nm dye content min. 75% cas no : 4403-90-1 un no. Nr tariff : 3204 19 79more...
Anthocyanins are water soluble compounds which is derived from the plants of Grapes, Berries and Black Carrots, blueberry etc. Anthocyanin pigments change their color with the change in the pH. So based on the pH, anthocyanin can be red, blue or purple. Aqueous extract of Grapes more...