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:

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

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# 3844-45-9 
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

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

Sorbic Acid 99%, FCC, Kosher

Sorbic Acid is a white crystalline powder with a slightly acidic taste, widely used as a preservative in the food and cosmetics industries. With its ability to inhibit the growth of molds, yeasts, and fungi, Sorbic Acid is commonly utilized in baked goods, cheeses, wine, and low-moisture foods. It is favored for its safety, efficacy, and organoleptic neutrality, ensuring no impact on the flavor or aroma of preserved products. Approved by the FDA as "Generally Recognized as Safe" (GRAS), Sorbic Acid can be used as a chemical preservative following good manufacturing practices. Its physical properties include a molar mass of 112.128 g/mol, a density of 1.204 g/cm³, and a melting point of 135°C (275°F). Sorbic Acid is slightly soluble in water (1.6 g/L at 20°C) and has a pKa of 4.76 at 25°C, enhancing its preservative function in acidic environments.

Key Features

• 99% pure FCC and Kosher grade Sorbic Acid
• Prevents growth of molds, yeasts, and fungi
• Ideal for preserving baked goods, cheese, and wine
• FDA-approved as GRAS for food safety
• Neutral taste and odor with high efficacy in acidic environments
• Applications in food, cosmetics, and beverages

Product Specifications