CI 11680, also called pigment yellow 1 or Ext. D and C Yellow No.5 is a synthetic monoazo color used to impart color in cosmetics and personal care products. It is an oil-soluble pigment that is commonly used in soaps.
Products with CI 11680
With samples available
Cosmenyl® Yellow 100
by Sudarshan Chemical Industries
PY1
by Artec Chemical
What is CI 11680 used for?
CI 11680 is used as a cosmetic colorant to impart a yellow color to the products. It is found to be used at 0.7% in rinse-off products and 0.3% in non-rinse-off products. It is oil-soluble and is suitable for use in soaps. There are various types of this pigment depending on the manufacturer. Based on the particle size of the pigment, the coloring intensity, light, and solvent resistance may differ.
Origin
CI 11680 is obtained through the diazotization of 2-nitro-p-toluidine & coupling with acetoacetanilide.
What does CI 11680 do in a formulation?
COSMETIC COLORANT
Safety Profile
CI 11680 is not for use in products intended for mucous membranes according to the European restriction IV/4. The European Scientific Community on Cosmetology allows its use in cosmetics for the time being. It has a moderate hazard rating from EWG (typically 3-5) due to general concerns regarding synthetic azo pigments. It is generally well-tolerated but may cause sensitivity in individuals allergic to azo dyes. Approved by the EU COSING database for colorant functions. However, it is harmful by inhalation, in contact with skin and if swallowed.
CI 11680 alternatives
CI 11680 technical profile
| Property | Values |
| Boiling Point | 546.5±50.0°C |
| Melting Point | >255°C |
| Solubility | Slightly soluble in ethanol and acetone |
Formulations with CI 11680
No data available
By Application
No data available