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HS Code |
930463 |
| Productname | Direct Yellow R |
| Casnumber | 1325-37-7 |
| Molecularformula | C26H20N4Na2O8S2 |
| Molecularweight | 646.57 g/mol |
| Appearance | Yellow powder |
| Solubilityinwater | Good |
| Dyeclass | Azo dye |
| Application | Textile dyeing |
| Lightfastness | Moderate |
| Phstability | Stable in neutral to alkaline conditions |
As an accredited Direct Yellow R factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Direct Yellow R is packaged in a 25 kg white fiber drum with a secure lid, labeled with product name and hazard information. |
| Shipping | Direct Yellow R should be shipped in tightly sealed containers, clearly labeled, and stored in a cool, dry, and well-ventilated area. Avoid exposure to sunlight, moisture, and incompatible substances. Adhere to local, national, and international transport regulations, including hazard labeling, to ensure safe handling and prevent environmental contamination. |
| Storage | Direct Yellow R should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat, and incompatible substances such as strong oxidizing agents. Keep the chemical in tightly sealed containers to prevent moisture absorption and contamination. Label storage containers clearly and ensure that handling and storage areas are equipped with appropriate spill containment and safety equipment. |
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Purity 98%: Direct Yellow R with purity 98% is used in cotton fabric dyeing, where it ensures high color uniformity and reproducibility. Shade Strength 200%: Direct Yellow R with shade strength 200% is used in paper coloration, where it delivers vibrant and deep yellow hues. Solubility in Water 55 g/L: Direct Yellow R with water solubility 55 g/L is used in textile liquid dye baths, where it allows rapid and consistent dye dispersion. pH Stability 4-8: Direct Yellow R with pH stability 4-8 is used in viscose rayon dyeing, where it maintains colorfastness across variable pH conditions. Fastness to Light Grade 4: Direct Yellow R with fastness to light grade 4 is used in curtain manufacturing, where it ensures prolonged color retention under sunlight exposure. Particle Size <10 µm: Direct Yellow R with particle size below 10 µm is used in ink formulation, where it provides superior dispersion and smooth print quality. Melting Point 200°C: Direct Yellow R with a melting point of 200°C is used in high-temperature dyeing of blends, where it prevents decomposition and color degradation. Salt Resistance 5% NaCl: Direct Yellow R with salt resistance up to 5% NaCl is used in reactive dye processes, where it avoids color migration and maintains dye uptake. Moisture Content <2%: Direct Yellow R with moisture content below 2% is used in powder dye packaging, where it improves shelf-life and free-flowing properties. Stability Temperature 100°C: Direct Yellow R with stability up to 100°C is used in hot aqueous dyeing applications, where it retains chromatic integrity without fading. |
Competitive Direct Yellow R 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!
