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

CI 77266

CAS Number 1333-86-4 / 7440-44-0
Chem/IUPAC Name: Carbon Black
EINECS/ELINCS No: 215-609-9 / 231-153-3
COSING REF No: 32820
CI 77266
CI 77266 or Carbon black is used as a colorant in the cosmetic industry. It has one of the highest coloring powers and is added to either enhance the color of the cosmetic product or change it completely. CI 77266 ingredient looks like black powder and is a form of paracrystalline carbon with a very high surface-area-to-volume ratio. However, it is still less than that of activated carbon. It is mostly used in eye makeup and is responsible for most of the black pigment in them. Further, CI 77266 can also be used in skin products and nail enamels. In cosmetic products, the highest permissible concentration of carbon black is 10%.

What is CI 77266 used for?

CI 77266 is used as a colorant in makeup products like liquid eyeliner, eye shadow, mascara, and water-based nail varnishes. It is also sometimes used in certain types of skin products in a concentration not more than 0.001%. CI 77266 cosmetics have the deepest black color and do not require mixing with any other substance.


Carbon Black is manufactured by the incomplete combustion of heavy petroleum products such as coal tar, fluid catalytic cracking tar, and ethylene cracking tar. Additionally, a small amount of vegetable oil is also added to it. The end result is a very pure carbon black pigment CI 77266, ready to be used directly in makeup products.

What does CI 77266 do in a formulation?

  • Cosmetic colorant

Safety Profile of CI 77266

CI 77266 is safe to be used in cosmetics as long as it is in a concentration of not more than 10%. Since its only function is to add color to makeup products, there are no concerns regarding CI 77266 safety, and is also halal. However, black carbon becomes toxic if inhaled, causing problems like lung irritation and coughing. If exposed to high levels over a long period of time, the particles get lodged deep in the lungs, becoming highly toxic. Therefore, CI 77266 in cosmetics should not be used in products like perfumes and powders. Not having any animal components and derivatives makes CI 77266 vegan.

CI 77266 Alternatives

CI 77266 Technical profile

Property Values
Boiling Point 4827°C
Melting Point 3625°C
Solubility Insoluble in water

Commercial Selection : Grades containing solely CI 77266

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