|
HS Code |
551841 |
| Cas Number | 58748-22-6 |
| Molecular Formula | C29H28N2O3 |
| Molecular Weight | 452.54 g/mol |
| Appearance | Dark blue powder |
| Solubility | Soluble in organic solvents, insoluble in water |
| Melting Point | 110-112°C |
| Synonyms | Oil Blue 35, Sudan Blue 670 |
| Absorption Maximum | Approx. 608 nm (in ethanol) |
| Applications | Dye for plastics, solvents, and inks |
| Chemical Class | Anthraquinone dye |
As an accredited Solvent Blue 97 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Solvent Blue 97 is typically packaged in a sealed 25 kg fiber drum with an inner plastic lining to ensure safe transport. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for Solvent Blue 97: 10MT packed in 25kg drums, securely loaded, suitable for international shipment. |
| Shipping | Solvent Blue 97 is typically shipped in tightly sealed containers, such as drums or bottles, to prevent leaks and contamination. It should be transported according to regulations for non-hazardous dyes, stored in cool, dry conditions away from heat sources, ignition points, and incompatible substances, ensuring proper labeling and documentation accompany each shipment. |
| Storage | Solvent Blue 97 should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from sources of ignition, heat, direct sunlight, and incompatible substances such as strong oxidizers. Keep container tightly closed when not in use. Ensure proper labeling and avoid moisture exposure. Use appropriate personal protective equipment (PPE) when handling this chemical to prevent contamination. |
| Shelf Life | Solvent Blue 97 has a typical shelf life of 5 years if stored in tightly closed containers under cool, dry conditions. |
Competitive Solvent Blue 97 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@liwei-chem.com.
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Tel: +8615365186327
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Our work with Solvent Blue 97 comes from years of real-world experience, not just from published data or catalog descriptions. This dye stands out among solvent-soluble blue dyes for its clean bluish-violet hue, steady color fastness, and high solubility across a spectrum of organic solvents. In the factory, we see how tiny differences in molecular structure or impurity content have a tangible impact on color results and product stability—details that raw spec sheets rarely capture.
Solvent Blue 97, recognized by its chemical identity as 1,4-Bis(butylamino)anthraquinone, supplies a consistent color in applications ranging from plastics and fibers to printing inks and coatings. Our batch testing confirms that customers using Solvent Blue 97 in PMMA, polystyrene, and acetates appreciate its resistance to migration, a quality we can validate with direct observation during extrusion. Feedback from our plastics team reporting no dye bleed during weather testing matches published migration resistance data, but more importantly, it lines up with performance on actual production lines.
Within our manufacturing workflow, powder fineness, dusting properties, and flow behavior during metering are refined to match the needs we encounter on modern compounding machines. Solvent Blue 97 comes as a deep blue-violet powder, and we control its moisture content strictly, since water can cause clumping and hinder metering in continuous lines. Our control teams use advanced filtration and recrystallization—not just standard filtration—to prevent large particle agglomerates and ensure even dispersion in both low and high-viscosity vehicles.
We keep impurities, including free anthraquinones and lower alkylamines, below industry thresholds, based on both in-house mass spectrometry checks and regular customer audits. Labs using our dye confirm its lightfastness often exceeds that of cheaper blue dyes, a result that validates our investment in upstream purification and complete nitrogen atmosphere handling during synthesis.
Down at our extruder line, the practical difference between Solvent Blue 97 and other blue dyes emerges clearly. Our operators notice that this pigment holds its color and clarity in most polyolefins without sweating or forming deposits in the screw. It mixes into hot-melt adhesives and polyester resin with no streaking, even when formulation oil content varies. Customers processing PMMA sheets note that the dye’s bleed resistance avoids unwanted coloration of adjacent layers, an advantage over less stable analogues such as Solvent Blue 36 or Solvent Blue 35, which often show bleeding or fade in sunlamp trials.
We’ve seen differences in batch control: we measure color strength at intervals during batch and continuous production. Users working in transparent polystyrene (PS) and ABS plastics confirm a deep, lasting coloration that outlasts many competitor dyes in outdoor weathering experiments. Process engineers choosing Solvent Blue 97 see less plate-out and need less frequent machine cleaning — a detail almost always overlooked in technical datasheets.
Solvent Blue 97’s suitability for inks goes beyond color strength. Ink manufacturers routinely visit our plant to look at mass tone and transparency in alcohol-based and hydrocarbon solvent systems. We show them side-by-side test prints from intaglio and flexo lines, demonstrating lower tinting strength than Solvent Blue 59 but with a much cleaner shade and crisper halftones. Customers using high-speed gravure lines appreciate the absence of streaking, and the dye does not precipitate under high shear, thanks to careful filtration for particle size control.
Our ink chemists report that Solvent Blue 97 keeps viscosity stable in both nitrocellulose and polyamide systems, and it resists fading due to UV exposure. Companies making markers and pens come to us specifically for the way Solvent Blue 97 holds its color after evaporation in cap-off tests—a property that helps pen companies reduce returns and complaints about color loss.
We field frequent questions about how Solvent Blue 97 compares to other blues. Our staff work with dozens of blue anthraquinone and perylene dyes, tracking side-by-side performance in customer samples and pilot batches. Solvent Blue 97 carries a deep bluish-violet tone, cleaner than the redder shade of Solvent Blue 36 and less greenish than Solvent Blue 35. In transparency and clarity, it keeps advantage in polyester and PMMA, while Solvent Blue 59 can appear dull or greyish in some polymers.
In textile spin-dyeing, Solvent Blue 97 gives more resistance to washing and ironing if compared to older-generation products. This holds in our own melt-spun PET lines as well as in customer reports from acetate fiber plants. Importantly, Solvent Blue 97 causes fewer issues with dust and airborne dye loss during handling—a practical safety plus that our plant managers consider notable when compared to more friable blue powder dyes.
We ask customers to rate every batch. Most positive feedback centers on easy dispersibility and color consistency, especially in PVC and acrylics. Our own compounding teams confirm that Solvent Blue 97 achieves full color saturation in clear and opaque resins at relatively low dosing, avoiding the oversaturation problems seen with some higher-tint strength alternatives.
Customers using it in candle making report a strong, vivid blue without bleed or migration from wax to glass, even after weeks on the retail shelf. In thermosetting systems, like polyester casting resins, Solvent Blue 97 holds its tone well when exposed to curing agents and elevated temperature, matching our own aging trials and providing results that lead to repeat orders.
On the plant floor, storage stability of Solvent Blue 97 means no caking or change of hue after months in bulk silos. Standard silica gel and moisture barrier packaging stop agglomeration and keep the powder free-flowing for automatic weigh feeders. These small things reduce downtime and cleaning for busy coloring lines. In our humid region, improvements in packaging have translated to fewer operator complaints and more reliable dosing batch-to-batch.
We ship large-lot orders directly from our reactor line, batch-coded for traceability. Lab techs regularly recheck shade, purity, and flow from retained samples, and we make results available for customer review. Customers say this traceability and openness build trust, supported by actual performance on their production lines rather than just paperwork.
We keep a close watch on regulatory trends, since compliance builds lasting partnerships in a changing industry. Solvent Blue 97 contains no banned aromatic amines or heavy metal salts, staying below legal thresholds for textile and toy applications in every region we serve. Our safety teams verify compliance with global marketing requirements like REACH, RoHS, and EN 71, with supporting documentation available for all production lots.
Packaging now uses less single-use plastic and lighter-walled drums since process upgrades, helping reduce transportation and disposal costs for our customers. Many of our buyers in the printing and plastics fields face increasing pressure on sustainability reporting; knowing that Solvent Blue 97 contains no persistent, bioaccumulative substances gives them one less thing to worry about during audits.
Our daily customer support calls cover a wide span of industries. For polyester and PMMA lens tinting, Solvent Blue 97 supplies a vivid non-migrating blue that holds up to strong sunlight. Printer ink formulators report that Solvent Blue 97 stays dissolved and does not flocculate when blended with common ink resins and plasticizers, even during long storage or repeated agitation. We hear similar positives from companies producing polypropylene dairy crates or packaging film, where the dye resists extraction during food contact testing, matching direct lab observations.
Plastics processors focusing on masterbatch coloring appreciate how Solvent Blue 97 reaches full saturation at lower loadings than several purple-blue dyes. Our technical center tested blends with a series of carrier resins and found no visible precipitate down to freezing storage—solubility results are available in tabular form but more importantly, customers see clean coloration on final molded parts. One regular complaint from users of other solvent blue dyes centers on uneven flow or streakiness during high-speed molding. We have traced this problem to both particle size and incomplete purification. Our work on filter mesh sizing and additional air-milling steps have sharply reduced this issue for Solvent Blue 97, based on machine maintenance records and reduced scrap in our own factory.
No dye is perfect for every job. We encounter requests for deep navy-blue coloring in certain stretch films, and Solvent Blue 97’s tone is a bit too violet for some of these specialist jobs. Process engineers seeking deep greenish-blues must look to other pigments; in such cases, we discuss blend solutions or help optimize loading with other solvent-soluble dyes in our range.
Overdosing can lead to minor dimming in crystal-clear resins, especially under LED lighting — an effect documented in customer part qualification trials. To counter this, we support color formulation trials, dialing in the right loading for target application thickness without overspending on dye. No off-the-shelf dosing guideline beats hands-on batch trials, and we provide small-lot deliveries to allow for this.
We work with compounders experimenting with modern polymer additives, including anti-static, flame retardant, and UV absorber packages. Solvent Blue 97 remains stable alongside many of these additives, a point we confirm in accelerated weathering tests and mass-color pilot trials. Cross-interactions rarely cause haze or instability, provided the dye is added in the right order and at proper system temperature—a fine point that turns up only through real-world practice, not catalog references.
In ink formulation, chemists increasingly use more severe shear, finer pigment dispersion, and longer shelf-life targets. Through direct feedback, users find Solvent Blue 97 forms stable tint blends with Solvent Red 49, giving expanded violet and purple shades for luxury packaging. This is not theoretical—our own ink specialists demonstrate these formulas live for customers, supporting new product launch timelines.
We take pride in a production record with Solvent Blue 97 running back over a decade. During this time, we've responded to specific customer pain points: shortening lead times, controlling dust, handling thicker batch lots in summer heat, updating filter media, reducing off-spec rework, and reformulating stabilization. A major paint manufacturer asked us to modify the anti-caking process for automated bucket dispensers, which we now roll out plant-wide.
Listening to end-users who need tighter particle size and steady batch shade, we revised our final grinding and sifting processes, reducing broad fraction distributions. We now see less color drift and finer control in transparency, which shows directly on test panels and injection-molded depth trials. Customers thank us for these incremental gains with regular renewal orders, instead of vague feedback or silent churn.
Support staff here run pilot lines and lab extruders, not just call desks. Our guidance on dosing, compatibility, and troubleshooting comes from standing beside users in their own factories, handling the product under real conditions. Regular feedback loops between our plant chemists, operators, and client users drive continuous tweaks—no cosmetic changes, but substantial improvements based on testable results.
We reason that the difference between a dye that performs well in the lab versus one that delivers in high-throughput production lies in practical observation and responsiveness. Our support doesn’t stop at shipment. Technical team members follow up on startup batches, compare real shade matches, and supply alternative recommendations if a project needs a different blue tone.
We appreciate that many specifiers want both repeatable quality and transparency about process. Our internal quality figures are available for review: batch-to-batch color deviations rarely exceed measurable thresholds, and we also keep continuous improvement logs available for review during customer audits. Our own teams use Solvent Blue 97 in evaluation panels and testing regimes, giving us a direct stake in ongoing product quality.
Actual product traceability, not just packaging information, enables quick response in case of any customer query. Keeping direct control from synthesis through shipment helps deliver what we promise, and longtime repeat buyers tell us that lasting success comes from never having to requalify dye from batch to batch or juggle unpredictable supply.
Manufacturers increasingly demand consistent performance, regulatory certainty, and honest support for every colorant ordered. Solvent Blue 97 embodies years of problem-solving and live experience across multiple industries, demonstrated by the feedback from processors, printers, ink makers, and plastics engineers. Each improvement, each lot, and each solution starts from direct observation, not just literature claims.
From the reactor to the compounding line, and onward through the hands of our end users, Solvent Blue 97 draws its reputation from a real record of reliability. Our collective hands-on experience forms the foundation for every claim we make about this product—and if you ever want evidence or deeper explanation, our plant and support teams stand ready to provide real examples drawn from daily production and testing history.