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

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Fluorescein Sodium Salt (Cas 518-47-8)

Fluorescein Sodium Salt (Cas 518-47-8) is a highly fluorescent dye that is commonly used in various applications such as microscopy, flow cytometry, and fluorescent imaging. It is a sodium salt of fluorescein and is known for its bright green fluorescence when excited by light. This product is widely used in biological research and medical diagnostics due to its excellent optical properties and low toxicity. Fluorescein Sodium Salt (Cas 518-47-8) is a must-have for any laboratory that requires high-quality fluorescent dyes for their research or diagnostic needs.