... index: Pigment Black 9, 77267, is a special black, init Bone BlackBone Black, also called Ivory Black, Animal Charcoal, color index ... , calcium sulphide, and few water soluble matter. Its density is 2.5g/cm3.Bone black is a fine pure bluish black, easy ... be dispersed, good storage stability, be not seeding after dispersed. Bone black is good light resistance, heat resistance, and chemical resistance ...