D&C Yellow No. 10 (also known as D&C Yellow 10/W01-10) is a water-soluble synthetic dye primarily used in cosmetics, personal care products, and pharmaceuticals. Its colorant properties are ideal for products where a water-based formula is required.
Description:
- D&C Yellow No. 10 is a synthetic yellow dye, specifically designed to be water-soluble, making it suitable for formulations that are aqueous in nature. It is also sometimes referred to as D&C Yellow 10/W01-10, where "W01-10" indicates a particular formulation or batch used for specific applications.
- CAS Number: 1934-21-0
- Chemical Name: Acid Yellow 23, similar to other D&C Yellow dyes.
- Color Index Number (CI): 47005 (CI 47005 is a generic identifier for the dye)
Appearance:
- The dye typically appears as a powder or granules, which are dissolved in water-based formulations. Once dissolved, it gives a yellow or golden hue to the product.
Usage Rate:
The usage rate for D&C Yellow No. 10 is regulated based on the type of product and its intended application.
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Typical Usage Rate: The usage rate of D&C Yellow No. 10 generally ranges from 0.0005% to 0.1% in the final product, depending on the formulation and desired color intensity.
- In Cosmetics: The concentration often falls between 0.0005% and 0.05%.
- In Pharmaceuticals: In products like tablets or capsules, the concentration may be slightly higher, but still within regulated limits (typically 0.05% to 0.1%).
Applications:
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Cosmetics:
- Facial and Body Powders: Can be added to foundation powders, blushes, and setting powders to create a soft yellow tint or golden undertone.
- Eye Makeup: Eye shadows, eyeliners, and mascaras often contain water-soluble colorants like D&C Yellow No. 10 to give a vibrant yellow or warm tone.
- Shampoos and Conditioners: Sometimes included in hair care products to provide a golden or yellow hue.
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Personal Care Products:
- Lotions and Creams: Can be included in body lotions, hand creams, or moisturizing products that require a yellow tint.
- Cleansers: Used in facial and body cleansers, where a yellowish tint is desired without affecting the product's overall appearance too drastically.
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Pharmaceuticals:
- Tablets and Capsules: D&C Yellow No. 10 is sometimes used to color pharmaceutical tablets or capsules to make them visually appealing or to differentiate between different formulations.
Regulatory Status and Safety:
- FDA Approved: D&C Yellow No. 10 is FDA-approved for use in cosmetics and pharmaceuticals but is not approved for use in food products.
- Usage Limits: The FDA regulates the concentration of D&C Yellow No. 10 in finished cosmetic products. It is generally recommended that the concentration does not exceed 0.1% for most cosmetics and pharmaceuticals.
- Safety: D&C Yellow No. 10 is considered safe for use in cosmetic and pharmaceutical products when used within the FDA-approved limits. However, as with any synthetic dye, there may be sensitivities or allergic reactions in some individuals, though such cases are rare.
Key Points:
- Water Solubility: This dye is ideal for products where water is the primary solvent, like lotions, shampoos, and body washes.
- Concentration Range: Typical concentrations range from 0.0005% to 0.1%, with the higher end often used in pharmaceuticals.
- Applications: Cosmetics (e.g., powders, eye makeup), personal care products (e.g., lotions, cleansers), and pharmaceuticals (e.g., tablets/capsules).
In summary, D&C Yellow No. 10/W01-10 is a water-soluble yellow colorant used in cosmetics, personal care products, and pharmaceuticals, with typical usage rates ranging from 0.0005% to 0.1%. It is generally recognized as safe by regulatory bodies when used within the prescribed limits.