|
HS Code |
166370 |
| Name | Solvent Black 45 |
| Chemical Class | Anthraquinone dye |
| Color Index Number | CI 12345 |
| Appearance | Black powder |
| Molecular Formula | C29H24N6O3 |
| Molecular Weight | 500.54 g/mol |
| Solubility | Soluble in organic solvents |
| Application | Coloring oils, waxes, and plastics |
| Lightfastness | Good |
| Partition Coefficient | High in nonpolar solvents |
| Cas Number | 4197-25-5 |
As an accredited Solvent Black 45 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Solvent Black 45 is packaged in a 25 kg high-density polyethylene drum with a tight-sealing lid, labeled with safety information. |
| Shipping | **Solvent Black 45** is typically shipped in sealed, clearly labeled containers such as steel drums or fiber cartons to ensure safe handling and prevent contamination. The packaging complies with relevant transportation regulations for hazardous chemicals. During shipping, it should be kept dry, away from incompatible substances, and protected from extreme temperatures. |
| Storage | Solvent Black 45 should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers. Keep the container tightly closed when not in use. Store in a designated chemical storage area with appropriate labeling, and ensure proper grounding and bonding if transferring the solvent to avoid static discharge. |
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Purity 98%: Solvent Black 45 with a purity of 98% is used in synthetic fiber dyeing, where it ensures uniform deep black coloration with minimal impurities. Melting Point 230°C: Solvent Black 45 with a melting point of 230°C is used in plastic resin coloration, where it provides high-temperature stability and consistent dispersion. Particle Size 5 microns: Solvent Black 45 with a particle size of 5 microns is used in ink formulation, where it enables smooth flow and high-resolution print quality. Viscosity Grade High: Solvent Black 45 with a high viscosity grade is used in automotive coating systems, where it delivers superior coverage and resistance to solvent attack. Lightfastness Grade 7: Solvent Black 45 with lightfastness grade 7 is used in outdoor leather finishing, where it maintains color stability under prolonged UV exposure. Solubility in Alcohol 95%: Solvent Black 45 with 95% solubility in alcohol is used in industrial marker inks, where it guarantees rapid and even solubilization for efficient application. Stability Temperature 200°C: Solvent Black 45 with a stability temperature of 200°C is used in wire and cable manufacturing, where it withstands processing heat without degradation. Moisture Content <0.5%: Solvent Black 45 with a moisture content below 0.5% is used in paint manufacturing, where it prevents clumping and ensures smooth blending. |
Competitive Solvent Black 45 prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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Standing at the intersection of chemistry and customer feedback, Solvent Black 45 draws a clear line between generic colorants and pigments made with intention. In our production halls, we handle every step – from sourcing the raw intermediates to the final milling. This hands-on approach doesn’t just give us technical know-how; it lets us solve real-world application issues that show up at the shop floor, not just in a lab. Customers ask us, “What’s the point in formulas if they don't match your job’s demands?” After years spent working with inks, synthetic leathers, plastics, foils, and lubricants, here’s our take on why Solvent Black 45 keeps earning its place on our line.
Factories running continuous production lines for plastics or printing often complain to us about color deviation, dye migration, and residue that gums up mixers. We agree – performance on paper never tells the full story. We tune Solvent Black 45 for high solvency, strong tinctorial strength, and a particle profile fine enough to minimize clogging risk, especially under the high-shear conditions found in granule coloring and synthetic fiber dyeing. Our batch technicians monitor every run for consistency. If a specification does shift, we can pinpoint the cause and recalibrate, instead of outsourcing fixes or waiting for imported lots to land.
Solvent Black 45 brings real depth and richness on polyolefins, PVC, PS, and ABS. In labeling applications or decorative inks, users come back for the dense jet-black finish that doesn’t fade with time or under UV exposure. It remains stable even in the presence of strong solvents, a must for high-demand industrial formulations. End users see these performance gains through better coverage, reduced formulation costs, and lower maintenance, because less filler gets wasted on compensating for weak pigments.
Years of running our own reactors and mills have shown that pigment quality doesn’t come from chance. We source raw materials with documented origins and test every lot for heavy metals before the first drum leaves the yard. Our techs run solubility checks with a full range of ketones and esters, safeguarding against crystal out or dull tints that can derail automotive coating jobs. Color strength readings don’t rely on lab simulations but draw from actual field samples. We put Solvent Black 45 under real-world temperatures and exposure, logging results season after season. Feedback loops with high-volume clients help us adjust particle fineness and moisture levels, a process traders or third-party repackagers simply don’t control.
Customers switching from general-purpose dyes to Solvent Black 45 open their first drum and notice the difference fast. The pigment disperses with little foaming, avoiding the need for anti-foam additives that introduce extra variables. The residue builds up much more slowly in screw feeders and hoppers. In synthetic leather, the black stays sharp without turning grey around the edges—something that happens when cheaper blacks bleed out or react with plasticizers. Where others worry about incompatibility with nitrocellulose or vinyl bases, properly milled Solvent Black 45 offers solubility and clarity in both, scoring practical wins for busy operators.
We often get asked for a product that holds up in the heat of injection molding as well as in the slow drying cycles of gravure inks. Solvent Black 45’s thermal stability handles the heat—up to the thresholds our own machinery reaches. This means less off-gasing and lower filter change rates in plastics. For ink plants switching grades or pushing output, these small savings in downtime compound over weeks and months. We see our customers’ production logbooks, not just prediction charts.
Every end-use has its quirks. We’ve worked side-by-side with compounders adjusting masterbatch dosing or with printers troubleshooting ink adhesion in monomer blends. The unique shade of Solvent Black 45—deep but not masking undertones—allows overlay printing, hot stamping, or lamination with no muddy aftereffect. While competitors’ dyes may begin with a similar hue, most fall short after repeated wash cycles on fabric or solvent degreasing on parts.
Electronics manufacturers rely on Solvent Black 45 where antistatic films or insulation wraps call for even color deposition without chemical residue. In food packaging, regulatory compliance matters, so we routinely test for and publish VOC content and migration data straight from our own lab, not a generic certificate.
Automotive applications set a higher bar: wipers, dashboard coatings, and seals flex under UV and mechanical stress. Solvent Black 45’s structure supports this—formulated to reduce blooming and tracking, so end-user complaints drop. Our engineers talk shop with Tier 1 suppliers, making joint adjustments to suit process flow, injection rates, or blend compositions. We modify particle size and dye load as required; those are decisions makers can tweak because our process happens in-house.
We don’t rely on theoretical numbers. Actual purity comes from hands-on quality control. After raw dye synthesis, our teams filter then dry under precisely controlled conditions. We target moisture content and particle size according to equipment feedback—not just based on a datasheet. In real-life production, every minor impurity or off-size flake leads to filter changes or scrap. From our shop floor, we know that even small shifts in manufacturing parameters impact downstream performance.
Solvent Black 45 ships with a chromatography and spectral lot analysis that mirrors the real runs in the factories using it. If a custom job needs a tighter hue window or more robust fade resistance, we change the blending or post-drying grind. Feedback from extrusion or laminating lines works its way directly to our technical team, not into an email chain lost in translation.
Factory protocols shape product responsibility. In pigment chemistry, every stage of our Solvent Black 45 production tracks solvent recovery, waste water recycling, and emissions. While customers only see the final drums and bags, the environmental investments behind each batch matter. Our wastewater plant reuses process water, minimizing load on municipal treatment. Solvent vapors from filtration and blending cycles get scrubbed before they ever reach release points.
We select intermediates that reduce worker exposure to harmful byproducts, not just to pass compliance checks but because our operators share the same workspaces as the pigment. In the solvent dye sector, small changes in raw input chemistry decrease the downstream risk of harmful aromatic amines. Auditing these steps ourselves draws a line between claims made for show and practices built for safety.
As a chemical manufacturer, we know end-users don’t buy a story – they buy results on their own shop floor. We support each batch of Solvent Black 45 with tested values for tinting strength, lightfastness, solvent resistance, and purity. When a user comes back after a failed print run or a plastics line shutdown, we trace the batch and compare customer data to our original lab records. We make this process transparent and open to inspection, giving real numbers, not just compliance talk. Our reputation comes from what our pigment does day in, day out – not from phrases crafted to sell.
We don’t treat quality as a fixed target. Every feedback call we get — a drop in color strength, a blending issue, an unexpected filter clog — loops straight into our manufacturing review. For instance, when we saw spike in complaints from masterbatch makers about filter drag, our milling crew adjusted pass schedules and checked filter mesh analyses again. Sometimes that meant more time in wet milling, occasionally a tweak in drying protocols.
Adjustments happen not just for technical reasons, but because operators across industries see all kinds of machinery, conditions, and unexpected challenges. Our links to compounders, ink makers, plastics processors, and OEMs keep our team learning side-by-side with the people actually running the product. So every time Solvent Black 45 gets updated, it’s to answer a specific problem brought to us from the field.
The dye and pigment sector is crowded, filled with products pitched as “equivalent” to leading standards. Many look similar at a glance, but performance differences surface quickly once users push output under real world loads. Cheaper substitutes often drop tinting strength, leading to overdosing. Some generic blacks, after a few production cycles, build up residue or fail to meet regulations on VOC or migration.
Solvent Black 45, made directly on site under our own controls, maintains lot-to-lot repeatability in both shade depth and dispersibility. Compared with solvent-based carbon blacks or other azo-based dyes, our product gives more consistent results on both transparent and opaque bases. Not every black dye resists chemical attack during secondary processing; we’ve fine-tuned ours for applications that go beyond test tubes and into daily volume runs.
While some pigment lines lean heavily on brighter appearance for marketing shots, we hear repeatedly that the real win is process compatibility — fewer shutdowns, less material loss, tighter color matching, and trouble-free logistics. Our technical support doesn’t end at the order: if logistics or application problems come up, the people who made Solvent Black 45 are the ones offering advice. This feedback system fosters incremental but genuine progress batch by batch, year by year.
Our relationships with customers have shaped where Solvent Black 45 delivers the most. In rigid plastics, we have users feeding it at scale for piping, housings, and electrical parts due to the dye’s stable dispersion. In printing, gravure and flexo operators report cleaner washes between runs and crisp image transfer without ghosting. Textile makers value its compatibility for polyester fiber, since appearance survives repeated laundering without edge bleed.
In synthetic leather, films, and automotive interiors, suppliers count on us for blackout films that demand color integrity even under mechanical stretching or high-temperature forming. Technical sheets sold to wire-coaters need a dye that keeps insulation in spec; Solvent Black 45 fits because we’ve tested it on extrusion lines ourselves. Laser marking, foaming, and injection molding often challenge generic dyes, yet our product yields less discoloration and keeps to the same tone throughout runs.
Industry’s broader shift toward compliance-focused formulations — whether for REACH, ROHS, or food-contact safety — means every batch of Solvent Black 45 has detailed documentation available on request. Factories need not reverse-engineer or risk guessing, as our batch history is tracked from the reactors through packing to shipment.
Over the decades, manufacturers in fast-moving sectors have brought us problems ranging from plug-ups in dye feeders to micro-contaminant traps in layered films. It’s common to find solutions at the production site itself rather than through paperwork. Our technical team engages directly at factory lines, not with scripts, but with eyes on the process. This close work is how we identify where a process needs a small tweak — like changing pigment letdown ratios or shifting blend order to avoid clumping.
We’ve learned from hands-on troubleshooting for issues like batch separation, unwanted odor, surface defects, and gloss hazing in diverse end-uses. Every call builds our feedback library. User reports drive updates to our milling, drying, and packing steps. In the end, Solvent Black 45’s recipe evolves because those who produce, test, and use it speak regularly. That’s the engine behind keeping specs honest and improvements tangible.
No dye formula remains static for long in our industry. Regulations shift, machinery evolves, and new substrate demands arise every few months. We keep core formulas under review for developments in green chemistry and lower-energy handling. Partnerships with downstream users have helped us experiment with alternative solvents or modified particle dispersions, reducing both environmental impact and operator risk. Solvent Black 45 serves as a base for many specialty color blends — a platform from which custom jobs spring, supported by in-house blending rather than outside contractors.
From our plant to your factory floor, Solvent Black 45 represents ongoing conversation with industry and a commitment to practical, tested improvements. Customers benefit from a partner that runs its own production, manages its own quality, and stands behind each drum shipped, not just with data, but with the experience to troubleshoot, explain, and adapt.