ACID BLUE 9 ALUMINUM LAKE- ▸ Food colorant: Insoluble blue color for food applications.
- ▸ Cosmetic colorant: Pigment for color cosmetics and personal care.
- ▸ Pharmaceutical coloring: Colorant for tablet coatings and drug products.
- ▸ Ink and coating: Blue pigment for printing and surface coloring.
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →FD&C Blue 1 Aluminum Lake (CAS 68921-42-6) is the insoluble aluminum-lake form of the triarylmethane colorant Brilliant Blue FCF (CI 42090). The lake anchors the dye onto an aluminum-hydroxide substrate to give a water-insoluble pigment used to color foods, drugs, and cosmetics, as well as inks and coated surfaces.
Frequently Asked Questions
What is FD&C Blue 1 Aluminum Lake?
FD&C Blue 1 Aluminum Lake (CAS 68921-42-6) is the insoluble aluminum-lake form of the triarylmethane colorant Brilliant Blue FCF (CI 42090). The dye is anchored onto an aluminum-hydroxide substrate to produce a water-insoluble blue pigment.
What is FD&C Blue 1 Aluminum Lake used for?
It is used as a water-insoluble blue colorant for foods, drugs (including tablet coatings), and cosmetics, as well as for inks and coated surfaces. The lake form is chosen where an insoluble pigment is needed rather than a soluble dye.
What is the difference between FD&C Blue 1 and its aluminum lake?
FD&C Blue 1 is the water-soluble dye Brilliant Blue FCF (CI 42090); the aluminum lake is the same colorant fixed onto an aluminum-hydroxide substrate to make it water-insoluble. Lakes disperse as pigments and are preferred for dry, oil-based, or coating applications.
What is the CAS number and HS code for FD&C Blue 1 Aluminum Lake?
The CAS number is 68921-42-6 (Color Index CI 42090). It is classified under HS 3205.00, color lakes and preparations based on color lakes.
What is the cost of bulk FD&C Blue 1 Aluminum Lake?
Bulk pricing depends on grade, dye load, volume, packaging, and delivery location. RawSource supplies industrial quantities — request a quote with your volume and CoA/SDS requirements for delivered pricing.