E129 Allura Red is a synthetic azo dye widely used as a colorant in food, cosmetics, pharmaceuticals, and industrial applications.
Allura Red AC produces a bright red to orange-red hue, providing excellent color stability under heat, light, and acidic conditions.
E129 Allura Red is a water-soluble sodium salt of a sulfonated monoazo compound derived from aromatic hydrocarbons.
E129 Allura Red is approved for use in food and beverages by regulatory authorities including FDA, EFSA, and JECFA.
CAS Number: 25956-17-6
EC Number: 247-368-0
Molecular Formula: C18H14N2Na2O8S2
Molecular Weight: 496.42 g/mol
Synonyms: Allura Red AC, FD&C Red No. 40, Food Red 17, C.I. 16035, CI Food Red 17, Red 40, Sunset Red, Azo Red Dye, Food Color Red, Tartrazine Substitute, Allura Red Aluminum Lake, E129 Allura Red, Allura Red AC, FD&C Red No. 40, Food Red 17, CI 16035, Red 40, Allura Red Dye, Allura Red Aluminum Lake, Allura Red Lake, Allura Red Powder, Allura Red Solution, Allura Red Coloring Agent, Allura Red Food Colorant, Allura Red Food Dye, Allura Red Synthetic Dye, Allura Red Color Additive, Allura Red Colorant, Allura Red Pigment, Allura Red Chemical, Allura Red Compound, Allura Red Material, Allura Red Product, Allura Red Substance, Allura Red Technical Grade, Allura Red Industrial Grade, Allura Red Pharmaceutical Grade, Allura Red Cosmetic Grade, Allura Red Food Grade, Allura Red Laboratory Grade, Allura Red Research Grade, Allura Red Pure, Allura Red Extra Pure, Allura Red High Purity, Allura Red Refined, Allura Red Stabilized, Allura Red Certified, Allura Red Certified Standard, Allura Red Analytical Standard, Allura Red Laboratory Standard, Allura Red Certified Reagent, Allura Red Laboratory Reagent, Allura Red Test Reagent, Allura Red Assay, Allura Red Bulk Chemical, Allura Red Commercial Grade, Allura Red Raw Material, Allura Red Fine Chemical, Allura Red Specialty Chemical, Allura Red Active Ingredient, Allura Red Functional Ingredient, Allura Red Specialty Ingredient, Allura Red Functional Additive, Allura Red Specialty Additive, Allura Red Water-Soluble Dye, Allura Red Azo Dye, Allura Red Synthetic Colorant, Allura Red Food Additive, Allura Red Beverage Colorant, Allura Red Confectionery Dye, Allura Red Cosmetic Pigment, Allura Red Pharmaceutical Colorant, Allura Red Textile Dye, Allura Red Ink Colorant, Allura Red Paint Colorant, Allura Red Coating Additive, Allura Red Color Enhancer, Allura Red Lake Pigment, Allura Red Powdered Dye, Allura Red Granular Dye, Allura Red Non-Fading Dye, Allura Red Non-Bleeding Dye, Allura Red Technical Product, Allura Red Industrial Product
APPLICATIONS
E129 Allura Red is used as a food colorant in beverages, confectionery, and baked goods.
E129 Allura Red imparts a vivid red-orange shade that remains stable under heat and acidic conditions.
E129 Allura Red enhances product visual appeal and consumer perception.
E129 Allura Red is used in soft drinks, energy drinks, and powdered beverage mixes.
E129 Allura Red provides excellent solubility and uniform color dispersion in aqueous systems.
E129 Allura Red ensures consistent hue even under carbonation and low pH conditions.
E129 Allura Red is incorporated in confectionery products such as candies, gummies, and coated tablets.
E129 Allura Red produces brilliant, long-lasting red tones resistant to fading during storage.
E129 Allura Red improves product differentiation and aesthetic value.
E129 Allura Red is applied in dairy products and desserts including flavored yogurts, ice creams, and puddings.
E129 Allura Red provides vibrant red tones compatible with emulsified and high-fat matrices.
E129 Allura Red ensures color uniformity in blended and frozen systems.
E129 Allura Red is used in bakery products such as icings, frostings, and cake mixes.
E129 Allura Red maintains stable coloring after baking and thermal processing.
E129 Allura Red enhances decorative and visual quality of finished goods.
E129 Allura Red is incorporated in snack coatings and seasonings.
E129 Allura Red provides consistent hue and improved visibility on extruded or fried products.
E129 Allura Red is stable under moisture and light exposure.
E129 Allura Red is applied in pharmaceutical tablets, syrups, and capsules.
E129 Allura Red acts as a colorant for coating and formulation identification.
E129 Allura Red complies with pharmacopeial standards for medicinal colorants.
E129 Allura Red is used in cosmetic and personal care products such as lipsticks, shampoos, and bath gels.
E129 Allura Red provides uniform color dispersion and long-lasting shade intensity.
E129 Allura Red offers compatibility with surfactants, emulsions, and alcohol-based systems.
E129 Allura Red is utilized in pet foods and feed additives.
E129 Allura Red enhances product attractiveness and uniformity.
E129 Allura Red remains stable through extrusion and pelleting processes.
E129 Allura Red is employed in biological staining and laboratory analysis.
E129 Allura Red is used as a pH indicator and tracer dye.
E129 Allura Red aids in spectrophotometric and electrophoretic applications.
E129 Allura Red is incorporated in textile and paper coloring systems.
E129 Allura Red imparts brilliant red hues to fibers and cellulose materials.
E129 Allura Red ensures uniform dyeing and fastness under neutral pH.
E129 Allura Red is used in cosmetic lake pigments.
E129 Allura Red Aluminum Lake provides color in oil-based and anhydrous formulations.
E129 Allura Red Lakes ensure uniform dispersion and excellent lightfastness.
E129 Allura Red is applied in gelatin capsules and coatings.
E129 Allura Red improves visual distinction and consumer appeal of pharmaceutical products.
E129 Allura Red meets global safety and labeling standards.
E129 Allura Red is used in dietary supplements and nutritional powders.
E129 Allura Red offers stable, non-reactive coloration compatible with vitamins and minerals.
E129 Allura Red improves the aesthetic and marketability of powder blends.
E129 Allura Red is used in flavor emulsions and beverage syrups.
E129 Allura Red provides stable, clear color without precipitation or sediment formation.
E129 Allura Red resists fading under ultraviolet and thermal stress.
E129 Allura Red is employed in sugar-free and low-calorie products.
E129 Allura Red maintains brightness and uniform color at low concentration levels.
E129 Allura Red remains stable with artificial sweeteners and flavor enhancers.
E129 Allura Red is utilized in gelatin desserts and jellies.
E129 Allura Red produces bright, transparent color without affecting texture.
E129 Allura Red provides excellent color homogeneity and shelf stability.
E129 Allura Red is combined with other dyes such as Tartrazine or Brilliant Blue FCF.
E129 Allura Red enables a wide range of shades including orange, violet, and brown.
E129 Allura Red is compatible with multi-component color blends.
E129 Allura Red is approved under European food additive code E129.
E129 Allura Red is listed for use under FDA 21 CFR Part 74.340.
E129 Allura Red complies with JECFA purity and safety specifications.
DESCRIPTION
E129 Allura Red is a bright red to orange-red powder or granule.
E129 Allura Red is odorless, water-soluble, and exhibits high color strength.
E129 Allura Red is stable to heat, light, and acidic conditions encountered in food processing.
E129 Allura Red belongs to the azo dye class, characterized by a -N=N- azo linkage between aromatic rings.
E129 Allura Red forms intense colors due to its conjugated chromophore structure.
E129 Allura Red exhibits high tinctorial power and excellent lightfastness.
E129 Allura Red shows excellent solubility in water and partial solubility in alcohol.
E129 Allura Red produces clear, homogeneous color solutions with minimal sedimentation.
E129 Allura Red is compatible with natural gums, sugars, and synthetic stabilizers.
E129 Allura Red is resistant to degradation under moderate pH fluctuations.
E129 Allura Red retains its chromatic properties even under pasteurization and UV exposure.
E129 Allura Red is chemically stable under normal storage conditions.
E129 Allura Red may be converted into aluminum lake form for use in fat-based and dry systems.
Its lake pigments exhibit strong color retention in oils and waxes.
E129 Allura Red Aluminum Lakes are commonly used in confectionery coatings and cosmetics.
E129 Allura Red meets international standards for food-grade synthetic colorants.
E129 Allura Red is approved for human consumption within established acceptable daily intake (ADI) levels.
E129 Allura Red is certified batch-by-batch for purity and heavy metal compliance.
PROPERTIES
Appearance: Red to orange-red powder or granules
Odor: Odorless
Assay (Color Content): ≥85%
Solubility: Soluble in water, slightly soluble in ethanol
pH (1% solution): 6.0–8.0
Melting Point: >300°C (decomposes)
Density: 1.0–1.2 g/cm³
Light Stability: Excellent
Heat Stability: Excellent
Acid Stability: Excellent
Alkali Stability: Moderate
Color Index Number: CI 16035
Absorption Maximum (λmax): 504 nm (in water)
Storage Temperature: 5–30°C, in a tightly sealed container
Shelf Life: Minimum 5 years under dry storage conditions
FIRST AID
Inhalation:
Move to fresh air immediately.
Seek medical attention if irritation occurs.
Skin Contact:
Wash with soap and water.
Seek medical advice if redness or irritation persists.
Eye Contact:
Rinse thoroughly with water for at least 15 minutes.
Seek medical attention if discomfort continues.
Ingestion:
Rinse mouth and drink water.
Seek medical advice if discomfort or symptoms develop.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
HANDLING AND STORAGE
Handling:
Avoid dust generation and direct contact with eyes or skin.
Use gloves and protective eyewear during handling.
Avoid inhalation of powder dust.
Ventilation:
Ensure adequate ventilation in processing areas.
Avoidance:
Avoid contact with strong oxidizing or reducing agents.
Keep away from moisture to prevent clumping.
Spill and Leak Procedures:
Sweep or vacuum spilled material carefully.
Avoid creating airborne dust.
Dispose of waste according to local environmental regulations.
Storage:
Store in a cool, dry, and well-ventilated place away from light.
Keep container tightly closed to prevent moisture absorption.
Protect from heat and direct sunlight.