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The material selection platform
Cosmetics Ingredients
The material selection platform
Cosmetics Ingredients

CI 77820

CAS Number 7440-22-4
Chem/IUPAC Name: Silver
EINECS/ELINCS No: 231-131-3
COSING REF No: 32836
CI 77820
CI 77820, also known as Silver, is an inorganic pigment used in cosmetics and personal care products. It is a fine powder consisting of silver particles. CI 77820 Silver is primarily utilized as a colorant, providing a silver hue to various cosmetic formulations. It is commonly found in makeup products such as eyeshadows, highlighters, nail polishes, and body powders, where it imparts a metallic or shimmery effect. The use of CI 77820 allows for creative and decorative effects in cosmetics, adding a touch of sparkle or enhancing the visual appeal. The chemical formula of CI 77820 is Ag.

What is CI 77820 used for?

CI 77820 is a useful and widely used ingredient in the cosmetic industry. It serves as a pigment, adding a metallic or shimmery effect to various formulations. Formulations like eyeshadows, nail polishes, and body powders often incorporate CI 77820 to create visually appealing and decorative products. The reflective quality of silver enhances the visual impact, providing a luminous and sparkling appearance. Additionally, silver nanoparticles, distinct from CI 77820, are utilized in some cosmetic applications for specific functional purposes, such as antimicrobial properties or UV protection.

Origin

CI 77820 is commonly manufactured via a precipitation or reduction method. The process involves reducing silver compounds, like silver nitrate, using a reducing agent. This chemical reaction leads to the formation of finely divided silver particles, which are subsequently processed into a powdered form.

What does CI 77820 do in a formulation?

  • Cosmetic colorant

Safety profile

CI 77820 is generally considered safe for use when added within the prescribed restrictions. It has low risks of allergies as silver particles stay on the surface and are not absorbed by the skin. However, a patch test must be done. Further, CI 77820 is a halal ingredient and can be used by people following this lifestyle.

Technical profile

Property Values
Boiling Point 2212°C
Melting Point 962°C
Solubility Insoluble in water
6

Commercial Selection : Grades containing solely CI 77820

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