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HS Code |
471027 |
| Chemical Name | Acid Yellow 4R |
| Cas Number | 6359-98-4 |
| Molecular Formula | C16H9N5Na2O7S2 |
| Molecular Weight | 509.38 g/mol |
| Appearance | Yellow to orange powder |
| Solubility In Water | Soluble |
| Melting Point | Decomposes |
| Dye Class | Azo dye |
| Color Index Number | 19140 |
| Synonyms | Tartrazine, Food Yellow 4, E102 |
| Application | Textiles, food, cosmetics |
| Maximum Absorption Wavelength | 427 nm |
As an accredited Acid Yellow 4R factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Yellow 4R is packaged in a 500g tightly sealed, HDPE bottle with hazard labels and product information clearly displayed. |
| Shipping | Acid Yellow 4R should be shipped in tightly sealed, clearly labeled containers, protected from moisture and incompatible substances. Transport according to local regulations for hazardous chemicals. Ensure appropriate hazard labeling and documentation. Handle with care, avoiding spills and environmental release. Store in a cool, dry, well-ventilated location during transit. |
| Storage | **Acid Yellow 4R** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and clearly labeled. Avoid contact with incompatible substances such as strong oxidizing agents. Store at room temperature and prevent moisture ingress to maintain the chemical’s stability and color integrity. |
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Purity 98%: Acid Yellow 4R with purity 98% is used in textile dyeing, where it ensures consistent and vibrant coloration of polyester fabrics. Stability Temperature 120°C: Acid Yellow 4R with stability temperature 120°C is used in paper tinting, where it delivers long-lasting and heat-resistant color saturation. Molecular Weight 452 g/mol: Acid Yellow 4R at molecular weight 452 g/mol is used in ink formulation, where it enhances flowability and uniform pigment dispersion. Water Solubility 50 g/L: Acid Yellow 4R with water solubility 50 g/L is used in aqueous coatings, where it promotes rapid and homogeneous dissolution for clear finishing. Lightfastness Grade 5: Acid Yellow 4R of lightfastness grade 5 is used in leather finishing, where it offers improved resistance to fading under prolonged light exposure. Particle Size <10 µm: Acid Yellow 4R with particle size less than 10 µm is used in cosmetics manufacturing, where it ensures smooth blending and consistent tint in final products. Melting Point 220°C: Acid Yellow 4R with melting point 220°C is used in plastic coloring, where it maintains color stability during high-temperature processing. Viscosity 15 mPa·s: Acid Yellow 4R at 15 mPa·s viscosity is used in dye baths, where it achieves optimal flow and dispersion throughout fibre matrices. |
Competitive Acid Yellow 4R prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
Flexible payment, competitive price, premium service - Inquire now!
