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HS Code |
545444 |
| Name | Vat Blue 4 |
| Cas Number | 130-20-1 |
| Chemical Formula | C28H14N2Na2O8S2 |
| Molecular Weight | 646.54 g/mol |
| Color | Blue |
| Appearance | Blue powder |
| Solubility In Water | Insoluble |
| Dye Class | Vat dye |
| Light Fastness | Excellent |
| Melting Point | Decomposes |
| Application | Textile dyeing |
| Synonyms | Indanthrene Blue RS |
| Ec Number | 205-987-3 |
| Stability | Stable under recommended storage conditions |
| Storage Temperature | Room temperature |
As an accredited Vat Blue 4 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Vat Blue 4 is packaged in a sealed, blue-labeled 25-kilogram fiber drum with inner polyethylene lining for moisture protection. |
| Shipping | Vat Blue 4 is typically shipped in securely sealed, appropriately labeled containers to prevent leakage or contamination. It should be stored and transported in a cool, dry, well-ventilated area, away from incompatible substances. Ensure packaging meets local and international regulations for hazardous materials, and handle with proper protective equipment to ensure safety. |
| Storage | Vat Blue 4 should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizing agents and acids. The container must be tightly closed to prevent moisture absorption. Spillage or dust generation should be avoided, and personal protective equipment should be worn when handling the chemical. |
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Purity 98%: Vat Blue 4 with purity 98% is used in cotton yarn dyeing, where it ensures high color yield and uniform shade penetration. Particle size fine: Vat Blue 4 with fine particle size is used in textile printing, where it results in sharp pattern definition and minimized streaking. Melting point 285°C: Vat Blue 4 with melting point 285°C is used in high-temperature fabric dyeing, where it provides excellent thermal stability and consistent performance. Stability pH 10-13: Vat Blue 4 with stability in pH 10-13 is used in alkaline vat dyeing processes, where it offers strong washfastness and color retention. Solubility improved: Vat Blue 4 with improved solubility is used in liquid dye formulations, where it enhances dispersion rate and reduces sedimentation in aqueous systems. Molecular weight 500 g/mol: Vat Blue 4 with molecular weight 500 g/mol is used in denim production, where it achieves deep indigo shades with reduced dye consumption. Lightfastness grade 7: Vat Blue 4 with lightfastness grade 7 is used in outdoor textile applications, where it resists photodegradation and preserves color intensity. Viscosity grade low: Vat Blue 4 with low viscosity grade is used in continuous dyeing systems, where it allows smooth dye liquor flow and even color application. Moisture content <1%: Vat Blue 4 with moisture content below 1% is used in powder pigment preparations, where it ensures long shelf life and stable coloration. Heat stability up to 200°C: Vat Blue 4 with heat stability up to 200°C is used in polyester fiber dyeing, where it maintains structural integrity and resists shade alteration. |
Competitive Vat Blue 4 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!
