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CI 77163

Last update on Jun 10, 2024
CI 77163 is a coloring agent that gives a white, pearl-like effect to cosmetic and personal care products. It imparts an excellent sheen to formulations and improves the visual appeal of cosmetics. CI 77163 is the INCI name of Bismuth Oxychloride and it appears as a white fine crystalline powder. On the negative side, this ingredient has a flaw - it loses its sheen to become gray when exposed to UV radiation over a long period of time. If not properly formulated, the crystalline particles of Bismuth Oxychloride CI 77163 can also poke the skin or get logged in the pores to cause irritation.
CAS Number: 7787-59-9Chem/IUPAC Name: Bismuth chloride oxideEINECS/ELINCS No: 232-122-7COSING REF No: 32817

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What is CI 77163 used for?

Bismuth Oxychloride CI 77163 is widely used in cosmetics and personal care products for its pearlescent and shimmering effects. It is a common ingredient in eyeshadows, blushes, lipsticks, and nail polishes, providing a lustrous finish and enhancing product aesthetics. Its stability and non-reactive nature make it suitable for sensitive skin, contributing to its use in foundations and powders for a silky texture and improved adherence. Additionally, CI 77163 is known to have some soothing effects on the skin.

Origin

CI 77163 is produced by hydrolyzing a bismuth salt (typically bismuth nitrate) in the presence of hydrochloric acid. This reaction forms a precipitate of bismuth oxychloride, which is then washed and purified to remove impurities.

What does CI 77163 do in a formulation?

COSMETIC COLORANT|
PEARLESCENT

Safety Profile

CI 77163 is generally considered safe and non-toxic. It is non-irritating and non-sensitizing, making it suitable for sensitive skin. However, proper formulation and purifying processes are important for its safe use. It is also important to note that, upon prolonged exposure to the sun, CI 77163 loses its sheen and takes on a dull gray color.

CI 77163 alternatives

CI 77163 technical profile

Property Values
pH 7
Solubility Insoluble in water