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High chroma violet shade with excellent color strength and clarity.
Optimized for compatibility with water-based inkjet inks and aqueous coatings.
Good lightfastness and thermal stability up to 120 °C during processing.
Low ionic content and stabilized dispersion for extended shelf life and reduced nozzle clogging risk.
REACH-compliant formulation with no SVHCs above threshold concentrations.
Water-based inkjet inks for industrial textile printing (e.g., polyester, cotton blends).
Aqueous decorative coatings for interior wall paints and architectural finishes.
Functional inks for packaging applications requiring food-contact compliance (indirect contact).
UV-curable hybrid inks where water dispersibility aids pre-cure handling and rheology control.
Specialty coatings for paper and board surface decoration.
| Chemical Type | Organic pigment dispersion (Violet 23-based) |
| Product Form | Stabilized aqueous liquid dispersion |
| Appearance | Purple-brown viscous liquid, homogeneous without sedimentation |
| pH (25 °C, 10% w/w in water) | 7.5 – 8.5 |
| Non-volatile Content (105 °C, 1 h) | 22 – 24 wt% |
| Particle Size (D50, by laser diffraction) | 120 – 160 nm |
| Viscosity (25 °C, Brookfield LVDV-II+ @ 20 rpm) | 800 – 1,200 mPa·s |
| Primary Applications | Inkjet inks, aqueous architectural coatings, functional packaging inks |
Q1: What is the recommended application method for Sanolin Violet AS-E2R in water-based systems?
A: Sanolin Violet AS-E2R is designed for easy incorporation into water-based formulations via high-shear mixing or low-energy stirring. Pre-dilution with a compatible aqueous medium may improve dispersion uniformity, especially in sensitive systems such as architectural coatings or inkjet inks.
Q2: Is this pigment suitable for use in food-contact coatings or packaging inks?
A: Sanolin Violet AS-E2R is not pre-approved for direct food-contact applications. Its suitability depends on final formulation compliance with applicable regional regulations, and users must conduct full regulatory assessment—including migration testing—when targeting food-contact end uses.
Q3: How stable is the color under UV exposure and thermal processing?
A: Sanolin Violet AS-E2R offers good lightfastness and thermal stability typical of high-performance azo-based liquid pigments. Performance in demanding conditions—such as prolonged UV exposure or extrusion at elevated temperatures—depends on the host matrix, presence of stabilizers, and overall formulation design.
Q4: What is the typical dosage range required to achieve strong violet intensity?
A: Dosage depends on the desired shade strength and opacity requirements of the final application. In most water-based industrial coatings and inks, effective concentrations generally range from 0.1% to 2% by weight relative to the total formulation.
Q5: Can Sanolin Violet AS-E2R be mixed with other Clariant liquid pigments without compatibility concerns?
A: Yes—Sanolin Violet AS-E2R is formulated to be compatible with other Sanolin® liquid pigments within the same product family when used in compatible vehicle systems. However, compatibility testing in the final formulation is always recommended to confirm stability, color consistency, and absence of flocculation or phase separation.
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E-mail: wangxingqiang@ericwchem.com
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