... used in painting, printing ink, rubber, dyeing, etc. Ultramarine BlueUltramarine Blue C.I. NO.: Blue 29 Min.order: ... ink, rubber, dyeing, etc. Technical Data Sheet ULTRAMARINE BLUE PRODUCT NAME: Ultramarine BlueC.I.NUMBER: BLUE 29CAS NO. 57455-37- ... Weight: Na6Al4Si6S4O20Molecular Weight: 862.6060578Type: Inorganic Pigment.PROPERTIES:Ultramarine blue is the most commonly used blue earth pigment. ...