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        FOOD BLUE NO. 1 ALUMINUM LAKE

        CAS No.: 68921-42-6
        Formula: C37H39AlN2O9S3
        Molecular Weight: 778.89
        Suppliers: All(0) China Suppliers(0) Products(1)
        • Description
        • Basic Info
        • Safety Info
        • MSDS
        • Price
        • Related Product
        • Supplier Reference
        What is FOOD BLUE NO. 1 ALUMINUM LAKE

        Acid Blue 9 aluminium salt, also known as FD&C Blue No. 1 Lake, is a vibrant synthetic dye widely used in the food, pharmaceutical, and cosmetic industries. This water-insoluble pigment is derived from Acid Blue 9, a triphenylmethane dye, and is stabilized with aluminium to enhance its durability and colorfastness. It is valued for its bright, stable blue hue, making it a popular choice for coloring products such as candies, beverages, medications, and cosmetics. Acid Blue 9 aluminium salt is approved for use by regulatory agencies like the FDA and EFSA, ensuring its safety for consumer applications. Its versatility and vivid color make it a staple in product formulation.

        Preparation Process: To prepare Acid Blue 9 aluminium salt, dissolve **Acid Blue 9 (sodium salt)** in distilled water to form a concentrated solution. Gradually add a stoichiometric amount of **aluminium sulfate (Al₂(SO₄)₃)** or **aluminium chloride (AlCl₃)** under stirring, ensuring complete reaction. Maintain a pH of **4–6** using dilute sulfuric acid or sodium hydroxide. Heat the mixture at **60–80°C** for **1–2 hours** to promote complex formation. Cool, then filter the precipitate and wash with water to remove residual salts. Dry the product at **80–100°C** to obtain the Acid Blue 9 aluminium salt as a fine powder. Purify via recrystallization if necessary.

        Usage Scenarios: Acid Blue 9 aluminium salt, also known as FD&C Blue No. 1 Lake, is primarily used as a synthetic colorant in cosmetics, pharmaceuticals, and food products. In cosmetics, it provides vibrant blue hues in makeup, soaps, and shampoos. In pharmaceuticals, it colors tablets, capsules, and ointments for branding and identification. In food, it is used in candies, beverages, and confectionery for visual appeal. The aluminium salt form enhances stability and opacity, making it suitable for products requiring water-insoluble pigments. It complies with regulatory standards for safety in specified applications, though usage levels are controlled to prevent excessive intake.

        FOOD BLUE NO. 1 ALUMINUM LAKE Basic Info
        Chemical Name FOOD BLUE NO. 1 ALUMINUM LAKE
        Synonyms foodblue2:1;EC 272-939-6;Pigment Blue 78;C.I. Food Blue 2:1;Brilliant Blue Lake;Blue No. 1 FD&C Lake;nnersalt,aluminumsalt;Brilliant Blue FCF Lake;FOOD BLUE NO. 1 ALUMINUM;Bright Blue Aluminum Lake
        CAS No. 68921-42-6
        Molecular Formula C37H39AlN2O9S3
        Molecular Weight 778.89
        PSA 197.33000
        LogP 1.672 at 25℃
        Safely Info
        RTECS -
        Hazard Class -
        Safety Statements -
        HS Code 3205.00.5040
        WGK Germany -
        Packing Group -
        RIDADR -
        Risk Statements -
        Hazard Codes -
        Caution Statement P273-P501
        Hazard Declaration H412
        Symbol -
        Signal Word -
        FOOD BLUE NO. 1 ALUMINUM LAKE Price
        United States: $50-100
        China: $30-60
        Russia: $40-80
        Germany: $60-120
        India: $20-40
        Japan: $70-140
        Brazil: $50-100
        South Korea: $45-90
        Philippines: $35-70
        United Kingdom: $55-110
        France: $65-130
        Mexico: $40-80
        Canada: $45-90
        South Africa: $25-50
        Egypt: $30-60
        Turkey: $35-70
        Thailand: $40-80
        Indonesia: No results
        MSDS
        MSDS
        Section I.Chemical Product and Company Identification
            Chemical Name Food Blue No. 1 Aluminum Lake
            Portland OR
            Synonym        Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl[(3-    
            sulfophenyl)methyl]amino]phenyl](2-sulfophenyl)methylene]-
            2,5- cyclohexadien-1-ylidene]-3-sulfo-, inner salt,
            aluminum
            salt (1:?) (CA INDEX NAME)
            Chemical Formula        C37H38N2O10S3·xAl    
            CAS Number        68921-42-6    
        Section II.        Composition and Information on Ingredients    
            Chemical Name        CAS Number Percent (%)        TLV/PEL        Toxicology Data    
            Food Blue No. 1 Aluminum Lake        68921-42-6 Not available. Not available.        Not available.    
        Section III. Hazards Identification
            No specific information is available in our data base regarding the toxic effects of this material for humans. However,
            Acute Health Effects
            exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if
            inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling
            this compound.
            CARCINOGENIC EFFECTS : Not available.
            Chronic Health Effects
            MUTAGENIC EFFECTS : Not available.
            TERATOGENIC EFFECTS : Not available.
            DEVELOPMENTAL TOXICITY: Not available.
            Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.
        Section IV.        First Aid Measures    
            Eye Contact        Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15    
            minutes. Get medical attention.
            Skin Contact        In case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing    
            before reuse. Thoroughly clean shoes before reuse. Get medical attention.
            Inhalation        If the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or    
            waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not
            improve.
            Ingestion        INDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat.    
            Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth
            resuscitation. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the toxic
            material was ingested; the absence of such signs, however, is not conclusive.
        Section V.        Fire and Explosion Data    
            Not available.
            Flammability        May be combustible at high temperature.        Auto-Ignition    
            Not available.
            Flash Points        Not available.        Flammable Limits    
            Combustion Products        These products include toxic carbon oxides (CO,CO2), nitrogen oxides (NOx), sulfur oxides (SOx), metallic oxides.    
            Fire Hazards
            Not available.
            Explosion Hazards        Risks of explosion of the product in presence of mechanical impact: Not available.    
            Risks of explosion of the product in presence of static discharge: Not available.
            Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
            LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet.
            and Instructions
            Consult with local fire authorities before attempting large scale fire-fighting operations.
            Continued on Next Page
            Food Blue No. 1 Aluminum Lake
        Section VI.        Accidental Release Measures    
            Spill Cleanup        Use a shovel to put the material into a convenient waste disposal container. Finish cleaning the spill by rinsing any    
            contaminated surfaces with copious amounts of water. Consult federal, state, and/or local authorities for assistance on
            Instructions
            disposal.
        Section VII. Handling and Storage
            Handling and Storage        Keep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a dry, cool    
            place. Avoid excessive heat and light. Do not breathe dust.
            Information
            Always store away from incompatible compounds such as oxidizing agents.
        Section VIII. Exposure Controls/Personal Protection
            Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended
            Engineering Controls
            exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants
            below the exposure limit.
            Splash goggles. Lab coat. Dust respirator. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a
            Personal Protection
            specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent.
            Exposure Limits        Not available.    
        Section IX. Physical and Chemical Properties
            Solid.        Solubility    
            Physical state @ 20°C        Not available.    
            Not available.
            Specific Gravity
            Not available.
            Molecular Weight        Partition Coefficient        Not available.    
            Boiling Point        Not available.        Vapor Pressure        Not applicable.    
            Not available.        Not available.    
            Melting Point        Vapor Density    
            Not available.        Volatility        Not available.    
            Refractive Index
            Not available.
            Critical Temperature        Not available.        Odor    
            Viscosity        Not available.        Taste        Not available.    
        Section X.        Stability and Reactivity Data    
            Stability    
        This material is stable if stored under proper conditions. (See Section VII for instructions)    
            Conditions of Instability        Avoid excessive heat and light.    
            Incompatibilities
            Reactive with oxidizing agents.
        Section XI. Toxicological Information
            Not available.
            RTECS Number
            Routes of Exposure        Eye Contact. Ingestion. Inhalation.    
            Not available.
            Toxicity Data
            Chronic Toxic Effects        CARCINOGENIC EFFECTS : Not available.    
            MUTAGENIC EFFECTS : Not available.
            TERATOGENIC EFFECTS : Not available.
            DEVELOPMENTAL TOXICITY: Not available.
            Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.
            Acute Toxic Effects        No specific information is available in our data base regarding the toxic effects of this material for humans. However,    
            exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if
            inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling this
            compound.
        Section XII.        Ecological Information    
            Not available.
            Ecotoxicity
            Not available.
            Environmental Fate
            Continued on Next Page
            Food Blue No. 1 Aluminum Lake
        Section XIII. Disposal Considerations
            Waste Disposal        Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a    
            combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all
            federal, state and local regulations when disposing of the substance.
        Section XIV. Transport Information
            Not a DOT controlled material (United States).
            DOT Classification
            PIN Number        Not applicable.    
            Proper Shipping Name        Not applicable.    
            Packing Group (PG)        Not applicable.    
            DOT Pictograms
        Section XV. Other Regulatory Information and Pictograms
            TSCA Chemical Inventory        This compound is ON the EPA Toxic Substances Control Act (TSCA) inventory list.    
            (EPA)
            WHMIS Classification        On DSL.    
            (Canada)
            EINECS Number (EEC) 272-939-6
            EEC Risk Statements        Not available.    

        SECTION 16 - ADDITIONAL INFORMATION
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        SDS 1.0
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