이 원료는 화학적으로 무기염료로 분류되며 복합 소듐알루미늄설포실리케이트로 구성된 합성 색소이다.

Ultramarines (blue, green, pink, red and violet) are synthetic pigments composed of complex sodium aluminum sulfosilicates having a typical formula Na(AlSiO)S with proportions of each element varying with each colour. To identify the colorant allowed for use in the European Union (EU), the INCI Name CI 77007 must be used.: Ultramarine (CI 77007 colorant) is a mineral-derived blue pigment composed of sodium, aluminum, silicate and sulfate; may be produced synthetically.

本品は、複合スルホケイ酸アルミニウムナトリウムであり、組成により様々な色調を呈する。