CI 77007 or Pigment Blue 29 is a mineral-derived inorganic pigment composed of sodium, aluminum, silicate and sulfate; that can range in shade from blue (most common) to violet, pink or even green. It is used to impart color to various color cosmetics as well as personal care products.
Origin
CI 77007 is produced using high temperature calcination method: clay, soda ash, sulfur, charcoal, sodium sulfate, quartz and other raw materials are mixed, and the crucible is put into the high temperature calcination, the discharge is cooled, and the unburned material is selected, after impregnation, grinding, pressure filtration, and then dried, grinded, the finished ultramarine product is obtained.