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Tartrazine (Lemon Yellow), also known as edible yellow No.4, tartar yellow, and acidic pale yellow, is a premium acidic synthetic colorant and water-soluble azo pigment exclusively designed for bulk commercial manufacturing. With a molecular formula of C₁₆H₉N₄Na₃O₉S₂ and relative molecular mass of 534.37, this product presents as an odorless yellow to orange-yellow powder. Upon contact with moisture, it demonstrates excellent solubility profiles: readily soluble in water, glycerol, and propylene glycol, slightly soluble in ethanol, and completely insoluble in oils.
Manufactured by ZIO Chemical, a specialist with over 20 years of experience in food additives, our food-grade tartrazine colorant is engineered through advanced condensation reaction techniques and multi-stage filtration purification. This rigorous process strictly eliminates impurities and unwanted by-products, ensuring exceptional purity and absolute color consistency across massive procurement batches. Strictly complying with international food safety standards, this pigment delivers consistent, reliable performance for industrial buyers and commercial formulation enterprises across the globe.
Our lemon yellow pigment maintains outstanding stability in tartaric acid and citric acid environments, making it one of the most reliable acid-resistant colorants for commercial food production. It exhibits exceptional performance across a broad pH range of 4 to 7, with a maximum absorption wavelength of 425 nm. This provides formulation engineers with precise, predictable data for developing complex recipes. It can be easily compounded with other food pigments, offering perfect compatibility to create custom color solutions, thereby reducing formulation adjustment costs and eliminating batch-to-batch variation for manufacturers.
The water-soluble tartrazine colorant dissolves rapidly to form a bright, uniform yellow solution without clumping or leaving particulate residue. It delivers stable color retention even when exposed to harsh industrial processing chemicals such as sulfuric acid, nitric acid, hydrochloric acid, and sodium hydroxide. This ensures consistent color performance across extreme processing conditions, eliminating the need for batch rework and significantly improving production efficiency for bulk manufacturing facilities.
Our product holds ISO, SGS, and REACH certifications, backed by strict raw material selection and full quality control throughout production. To further support our international partners, we provide comprehensive guidance on global regulations, detailing maximum permitted addition levels established by major regulatory bodies like the FDA and EFSA (for instance, the EU limit of 50 mg/kg). We also offer terminal product ingredient labeling advice, minimizing regulatory compliance risks for commercial clients distributing products across more than 120 countries and regions, and supporting smooth market access.
With exceptionally high tinting strength and low usage requirements, our edible yellow No.4 pigment delivers excellent cost efficiency for large-scale manufacturing. A minimal amount of powder yields a vivid, intense coloration, directly lowering overall raw material expenditures. Meanwhile, our expansive production capacity ensures a stable, uninterrupted supply chain for long-term commercial partners, preventing costly downtime on the factory floor.
For procurement managers and formulation scientists, precise physicochemical data is critical for scaling up production safely and efficiently. The following table outlines the exact molecular properties, solubility profiles, and packaging standards for our edible yellow No.4 pigment. These parameters remain strictly controlled to guarantee uniformity across every commercial delivery.
Attribute | Detail |
Chemical Name | Tartrazine (Lemon Yellow) |
Common Aliases | Edible Yellow No.4, Tartar Yellow, Acidic Pale Yellow |
Molecular Formula | C₁₆H₉N₄Na₃O₉S₂ |
Relative Molecular Mass | 534.37 |
Appearance | Yellow to Orange-Yellow Odorless Powder |
Solubility | Readily soluble in water, glycerol, propylene glycol; slightly soluble in ethanol; insoluble in oils |
Standard Packaging | 20 kg Sealed Food-Grade Bags/Cartons |
Shelf Life | 24 Months (2 Years) |
Storage Requirements | Cool, dry, well-ventilated warehouse environment |
Compliance Certifications | ISO, SGS, REACH |
Our beverage-grade tartrazine colorant is widely used for coloring carbonated drinks, fruit juices, flavored drinks, frozen desserts, jelly, candy, pastry coatings, ice cream, and canned foods. It imparts a brilliant, appetizing yellow hue that dramatically enhances product appearance and consumer visual appeal, maintaining its vividness throughout the product's entire shelf life without fading under standard retail lighting.
It is the preferred colorant for tablet coating, capsule coloring, oral liquid formulations, and over-the-counter healthcare products. By meeting strict pharmaceutical safety standards, it provides consistent, traceable coloring performance that aids in accurate dosage identification and brand differentiation for medical and nutritional supplements.
Our cosmetic-grade tartrazine powder is ideal for coloring lipsticks, eyeshadows, body washes, and other personal care products. It offers excellent skin safety compliance and color stability, ensuring that cosmetic formulations retain their intended aesthetic appeal without separating or degrading over time.
Beyond human consumption and topical use, this versatile pigment is also utilized for coloring in coatings, inks, plastics, and stationery manufacturing, as well as for wool and silk dyeing and color lake production. Its strong tinting capabilities provide reliable performance across diverse industrial uses.
We offer comprehensive custom solutions tailored to the unique needs of commercial manufacturing clients. Our services include custom packaging specifications (ranging from small-batch sample packs for R&D testing to standard 20 kg and up to 25 kg bulk units for full-scale production), custom purity and tinting strength grades, and custom pre-compounded color blends designed to match your exact formulation requirements. Furthermore, we provide flexible production scheduling to align perfectly with your inventory cycles. Our in-house technical team delivers full formulation support and dedicated after-sales service, functioning as a reliable extension of your own manufacturing capabilities.
To assist pharmaceutical and food clients in maintaining accurate consumer warning labels, we provide fully transparent toxicology evaluations. We explicitly document known sensitivities, including potential cross-sensitivity for individuals allergic to aspirin. This rigorous data sharing ensures your terminal products meet all health declaration requirements and protect end-consumers.
Safety on the factory floor is paramount. We supply comprehensive Material Safety Data Sheets (MSDS) detailing factory-level personal protective equipment (PPE) requirements, such as the use of dust masks and protective gloves during the handling of fine powders. Clear instructions for first aid measures and localized fire or spill containment protocols are included to safeguard your operational workforce.
Supporting multinational buyers in achieving their Environmental, Social, and Governance (ESG) targets, we provide detailed guidance on industrial waste treatment and biodegradability analysis. Our protocols align with international environmental standards, ensuring that any production runoff or packaging waste is managed responsibly, minimizing the ecological footprint of your manufacturing processes.
