Color Blue #1 (E133)

Brilliant Blue FCF (Blue 1), also known under commercial names, is a <a href="http://en.wikipedia.org/wiki/Colorant" title="Colorant" class="mw-redirect" >colorant</a> for foods and other substances to induce a color change. It is denoted by <a href="http://en.wikipedia.org/wiki/E_number" title="E number" >E number</a> E133 and has a <a href="http://en.wikipedia.org/wiki/Colour_Index_International" title="Colour Index International" >color index</a> of 42090. It has the appearance of a reddish-blue powder. It is soluble in water, and the solution has a maximum absorption at about 628 <a href="http://en.wikipedia.org/wiki/Nanometer" title="Nanometer" class="mw-redirect" >nanometer</a>.

As a blue color, Brilliant Blue FCF is often found in <a href="http://en.wikipedia.org/wiki/Ice_cream" title="Ice cream" >ice cream</a>, <a href="http://en.wikipedia.org/wiki/Tin_can" title="Tin can" >canned</a> processed <a href="http://en.wikipedia.org/wiki/Pea" title="Pea" >peas</a>, packet soups, bottled food colorings, icings, ice pops, <a href="http://en.wikipedia.org/wiki/Blue_Raspberry_flavor" title="Blue Raspberry flavor" class="mw-redirect" >blue raspberry</a> flavored products, <a href="http://en.wikipedia.org/wiki/Dairy" title="Dairy" >dairy</a> products, sweets<a href="http://en.wikipedia.org/wiki/Blue_1#cite_note-1" >[2]</a> and drinks, especially the liqueur <a href="http://en.wikipedia.org/wiki/Blue_curacao" title="Blue curacao" class="mw-redirect" >blue curacao</a>.

It is also used in <a href="http://en.wikipedia.org/wiki/Soap" title="Soap" >soaps</a>, <a href="http://en.wikipedia.org/wiki/Shampoo" title="Shampoo" >shampoos</a>, <a href="http://en.wikipedia.org/wiki/Mouthwash" title="Mouthwash" >mouthwash</a><a href="http://en.wikipedia.org/wiki/Blue_1#cite_note-2" >[3]</a> and other hygiene and cosmetics applications. In soil science, Brilliant Blue is applied in tracing studies to visualize infiltration and water distribution in the soil.