FDC Blue #2, Food Blue 1, Indigo Carmine

Indigo Carmine, also known as FDC Blue #2 or Food Blue 1, is a water-soluble organic dye derived from indigo through aromatic sulfonation. Approved for use as a food colorant in the United States and European Union, it imparts a vibrant blue hue. Additionally, it serves as a pH indicator, transitioning from blue at pH 11.4 to yellow at 13.0. Its versatility extends to being a redox indicator, turning yellow upon reduction, and a dissolved ozone indicator. Applications range from food coloring to surgical and biological staining. Its EC Number is 212-728-8, CAS Number is 860-22-0, Molecular Weight is 466.35, and Color Index Number is 73015.

Key Features

• Vibrant blue colorant for food and industrial use
• Water-soluble and organic
• Acts as pH indicator and redox indicator
• Also functions as a dissolved ozone indicator
• Approved for use in the US and EU

Product Specifications:

Similar Products:

• Blue Organic Dye
• Water-Soluble Food Colorant
• pH Indicator Solution
• Redox Indicator Dye
• Ozone Indicator Solution

Brilliant Blue FCF (FD&C Blue #1)

Brilliant blue FCF (FDC Blue #1) is a synthetic organic compound used primarily as a blue colorant for processed foods, medications, dietary supplements, and cosmetics. It is classified as a triarylmethane dye and is known under various names, such as FD&C Blue No. 1 or acid blue 9. It is denoted by E number E133 and has a color index of 42090. It has the appearance of a reddish-purple (indigo-blue) powder and is soluble in water and glycerol, with a maximum absorption at about 628 nanometers. It is one of the oldest FDA-approved color additives and is generally considered nontoxic and safe.

As a blue color, brilliant blue FCF is often found in cotton candy, ice cream, canned processed peas, packet soups, bottled food colorings, icings, ice pops, blueberry flavored products, children’s medications, dairy products, sweets, soft drinks, and drinks, especially the liqueur Blue Curaçao. It is also used in soaps, shampoos, mouthwash, and other hygiene and cosmetics applications.

Brilliant blue FCF is extensively used as a water tracer agent. Due to its ability to retain color for long periods, it outperforms other dye tracers. Additionally, brilliant blue FCF has a low toxicity level that is favorable for the environment.

Product Specifications

Applications and Benefits:

• Food and beverage coloring (e.g., ice cream, candies, drinks)
• Cosmetics and personal care products (e.g., soaps, shampoos, lipsticks)
• Biological stains and textile dye
• Wood staining and indicators
• Water tracer dye with high retention and low toxicity

Caution:

Handle in accordance with safety guidelines. Refer to SDS for details.

Brilliant Blue FCF Lake

Brilliant blue FCF Lake is the pigment version of the synthetic organic dye FDC compound used primarily as a blue dispersable colorant for processed foods, medications, dietary supplements, and cosmetics. It is classified as a triarylmethane dye and is known under various names, such as FD&C Blue No. 1 Lake or acid blue 9 Lake. It is denoted by E number E133 and has a color index of 42090. It has the appearance of a blue powder and is dispersible in oils and water based binders, with a maximum absorption at about 628 nanometers. It is one of the oldest FDA-approved color additives and is generally considered nontoxic and safe.
As a blue color, brilliant blue FCF Lake is often found in many food, cosmetics, personal care and pharmaceutical products.

Brilliant blue FCF Lake is extensively used as a water tracer agent. Due to its ability to retain color for long periods of time, brilliant blue FCF outperforms other dye tracers. Additionally, brilliant blue FCF has a low toxicity level that is favorable for the environment.
Molecular weight: 792.84 
Molecular Formula: C37H34N2Na2O9S3
CAS# 68921-42-6
It is used as a coloring agent. In cosmetics and personal care products, it is used in the formulation of a wide variety of product types, eye makeup, makeup, lipsticks, nail polishes, personal cleansers and skin care products.

Key Features: Vibrant Blue Colorant

• Suitable for food, cosmetics, and pharmaceuticals
• FDA-approved and safe
• Retains color for long periods
• Low toxicity, eco-friendly

Product Specifications

Similar Products

• Blue Cosmetic Colorant
• Food Grade Blue Dye
• Pharmaceutical Blue Pigment
• Brilliant Blue Color Additive
• Cosmetic Blue Powder