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HS Code |
166807 |
| Cas Number | 6374-47-2 |
| Ec Number | 228-921-6 |
| Chemical Formula | C18H14N4Na2O9S2 |
| Molecular Weight | 560.44 g/mol |
| Appearance | Yellow powder |
| Solubility | Soluble in water |
| Color Index Ci | CI 18965 |
| Synonyms | C.I. Acid Yellow 40, Tartrazine |
| Melting Point | Decomposes |
| Application | Textile, paper, food dye (as tartrazine) |
| Ph Aqueous Solution | 6.0 - 7.0 |
| Stability | Stable under recommended storage conditions |
As an accredited Acid Yellow 40 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Acid Yellow 40 contains 500 grams, sealed in a sturdy, labeled HDPE bottle with safety information and hazard pictograms. |
| Shipping | **Shipping for Acid Yellow 40:** Acid Yellow 40 should be shipped in tightly sealed containers, away from incompatible substances and moisture. Transport must comply with local and international hazardous material regulations. Clearly label all packaging with proper chemical identification and hazard warnings. Handle with appropriate protective equipment to prevent spills and exposure during transit. |
| Storage | Acid Yellow 40 should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of heat, moisture, and incompatible substances such as strong oxidizers. The storage area should be clearly labeled and protected from direct sunlight. Personal protective equipment is recommended during handling to prevent skin and eye contact. |
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Purity 98%: Acid Yellow 40 with purity 98% is used in textile dyeing, where it ensures vibrant and uniform coloration on synthetic fibers. pH Stability 2-7: Acid Yellow 40 with pH stability 2-7 is used in leather finishing, where it provides consistent color development under acidic processing conditions. Molecular Weight 452.38 g/mol: Acid Yellow 40 of molecular weight 452.38 g/mol is used in paper coating, where it achieves high tinting strength and improved brightness. Water Solubility 50 g/L: Acid Yellow 40 with water solubility of 50 g/L is used in inkjet ink formulation, where it enables rapid dispersion and smooth printability. Lightfastness Grade 4: Acid Yellow 40 with lightfastness grade 4 is used in cosmetic applications, where it provides long-lasting color stability in exposed environments. Stability Temperature up to 120°C: Acid Yellow 40 with stability temperature up to 120°C is used in detergent coloring, where it resists fading during high-temperature washing cycles. Particle Size D50 < 5 μm: Acid Yellow 40 with particle size D50 less than 5 μm is used in pigment dispersions for plastics, where it enhances color uniformity and processability. Heat Resistance up to 140°C: Acid Yellow 40 with heat resistance up to 140°C is used in wool dyeing, where it maintains chromatic integrity during steam fixation. Viscosity Grade Low: Acid Yellow 40 with low viscosity grade is used in liquid dye formulations, where it facilitates easy blending and homogenization. Salt Content < 1%: Acid Yellow 40 with salt content less than 1% is used in food contact paper, where it minimizes contamination risk and meets regulatory standards. |
Competitive Acid Yellow 40 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!
