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Cosmetics Ingredients
The material selection platform
Cosmetics Ingredients

CI 77742

CAS Number 10101-66-3
Chem/IUPAC Name: Ammonium manganese(3+) diphosphate
EINECS/ELINCS No: 233-257-4
COSING REF No: 32834
CI 77742
CI 77742, also known as manganese violet, is a mineral-based colorant commonly used in cosmetics and personal care products. It is a purple pigment that imparts a bluish-violet hue to formulations. The formula for CI 77742 is H4MnNO7P2, which consists of manganese, ammonium, phosphate, and water molecules. It is primarily used as a coloring agent in a wide range of cosmetics, including lipsticks, eye shadows, blushes, and nail polishes.

What is CI 77742 used for?

CI 77742 is a cosmetic colorant that imparts a purple or violet color to cosmetic products. It is commonly used in various cosmetic formulations, including eyeshadows, lipsticks, and nail polishes. This ingredient adds a beautiful and intense color to the product. It can also be used along with other pigments to create various shades of purple, lavender, and violet. The pigment is highly stable and does not fade or change color over time, making it a popular choice for cosmetic manufacturers. In addition to its color properties, CI 77742 also acts as a filler and binder in cosmetic formulations, helping to give products a smooth and even texture. It is used in both oil-based and water-based cosmetic formulations and is known for its excellent dispersibility in various solvents.


CI 77742 is a synthetic pigment produced by combining ammonium manganate with ammonium sulfate. The resulting compound is then heated to produce manganese ammonium pyrophosphate, which is further heated to produce Manganese Violet.

What does CI 77742 do in a formulation?

  • Cosmetic colorant

Safety profile

Manganese violet is considered a safe and non-toxic ingredient in cosmetics, with no known adverse health effects. It is approved for use in cosmetics by regulatory agencies such as the FDA and the European Union. However, some individuals may experience skin irritation or allergic reactions to this ingredient, so it is essential to do a patch test before using products containing CI 77742. It is also generally vegan and halal, however, it is best to confirm with the specific manufacturer first.

Technical profile

Property Values
pH 6.0-9.0
Solubility Insoluble in water
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