Yudu County, Ganzhou, Jiangxi, China sales3@liwei-chem.com 748718781@qq.com
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Oil Dye Oil Blue 2N

    • Product Name Oil Dye Oil Blue 2N
    • CAS No. 12219-78-2
    • Chemical Formula C34H24N2O4
    • Form/Physical State Liquid
    • Factory Site Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry sales3@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    612137

    Chemical Name Oil Blue 2N
    Alternative Names Solvent Blue 35
    Cas Number 1319-77-3
    Molecular Formula C29H24N2O2
    Molecular Weight 432.51 g/mol
    Appearance Blue powder or crystalline solid
    Solubility Soluble in oils and organic solvents, insoluble in water
    Melting Point 132-136 °C
    Color Index Number 61554
    Usage Colorant for oils, fats, waxes, and hydrocarbons
    Light Fastness Good
    Boiling Point Decomposes before boiling
    Stability Stable under normal conditions

    As an accredited Oil Dye Oil Blue 2N factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Oil Dye Oil Blue 2N is packaged in a tightly sealed 25 kg blue HDPE drum, clearly labeled with product details and safety information.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Oil Dye Oil Blue 2N involves secure packing of drums, maximizing space and ensuring safe transportation.
    Shipping Oil Dye Oil Blue 2N is shipped in tightly sealed containers to prevent leakage or contamination. It should be transported as a non-hazardous chemical, avoiding prolonged exposure to heat and direct sunlight. Proper labeling, handling, and storage protocols must be followed to ensure safety and regulatory compliance during shipping.
    Storage Oil Dye Oil Blue 2N should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and direct sunlight. Keep it isolated from strong acids, alkalis, and oxidizers. Ensure proper labeling and avoid contact with moisture. Use non-sparking tools and implement spill control measures to prevent environmental contamination.
    Shelf Life The shelf life of Oil Dye Oil Blue 2N is typically 12-24 months when stored in a cool, dry, and sealed container.
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    Competitive Oil Dye Oil Blue 2N 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.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: sales3@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Oil Dye Oil Blue 2N: Experience from the Manufacturer’s Bench

    From Raw Material to Trusted Oil Colorant

    Every product in our factory tells a story that begins with raw materials, passes through time-worn vats and dust-coated mixers, and ends up at the heart of a refinery, an automotive service center, or a machine shop. Oil Blue 2N is one of those products that earns its place in our production lines for a reason: it delivers a strong, true blue that stands up to the demands of industry. Here, every drum means consistency—not just in shade, but in function. Over the years, we’ve built this dye to serve customers who stake their reputations on visible results.

    There’s a world of synthetic dyes for oils, but Oil Blue 2N keeps its spot in the lineup because it handles the rigors of petroleum solvent exposure without washing out or streaking. In decades past, lighter-duty dyes faded, separated, or sludge up under prolonged storage. This one keeps its clarity in lubricants, fuels, and hydraulic oils alike—a fact that’s saved more than a few operators from costly misidentification.

    How We Formulate for Performance

    Our team monitors every batch from point-of-origin pigments through melting, mixing, and granulation. Some customers may not realize how much small variances matter. A clump in the dye, a trace impurity, or slight choice of mixing process changes how a gallon tints a full drum of machine oil. Technicians test at every stage with xylene and kerosene to check strength. We sample finished batches to observe clarity and depth of shade in real-world lubricants, not just simulated base oil.

    The Oil Blue 2N product comes out as a deep blue or blue-violet powder. Some competitors supply liquid dispersions, but we hold to powder for a reason: greater shelf life and precise dosage. Over years of production, we’ve noticed powder does well in hot or cold storage and resists clumping when kept dry. No one on the line wants a gummy mess or mystery streaks—just a good, easy pour that lets them measure what goes in every drum, tote, and tank.

    Most users dissolve Oil Blue 2N straight into base oils or solvents. We ensure the particle size suits manufacturers who use anything from hand-mixing buckets all the way up to in-line dosing pumps. Since the dye is oil-soluble, it integrates practically at room temperature, saving time and energy for bulk blenders and smaller shops alike. We’ve designed it to dissolve completely without residue, letting the finished oil flow with a bright, consistent blue.

    Where Users Rely on Oil Blue 2N

    You see Oil Blue 2N in action across industries. Our customers include fuel distributors marking kerosene, hydraulic fluid manufacturers differentiating product lines, and repair centers identifying leak trails in engines and equipment. One thing we hear time and again: clear color matters most when you’re under pressure. In maintenance bays, distinguishing between transmission fluid and engine oil cuts confusion. In storage tanks at the depot, visible colors prevent dangerous mixing of incompatible products.

    Some regulations require visible dyes in fuels and lubricants for tax, transport, or safety reasons. We build Oil Blue 2N to meet these standards where applicable, supporting inspection and compliance work without clogging lines or corroding pumps and seals. We have processed countless tons under strict quality controls to meet demands for repeatable results.

    Many long-term customers began by trying generic blue dyes. They switched after diluted versions faded in light or left sediment. Some competitors use a variety of blue dye blends that look good in the can but lose color or separate when exposed to heat or solvent stress. While no dye solves every problem, we’ve learned through repeat business that consistency under pressure makes all the difference.

    What Makes Oil Blue 2N Stand Apart from Other Oil Dyes?

    Our engineers took time to refine the physical properties of Oil Blue 2N. We stuck with this particular blend because experience shows it resists photo-fading—an enemy of storage yards and fleet managers who park equipment outdoors. Not every dye can claim that kind of ruggedness. Through internal testing and customer reports, this powder holds color both in clear pipettes and inside iron drums, after months on a hot loading dock.

    Other blue dyes sometimes change shade with base oil composition. We’ve formulated 2N to retain color whether you’re working with mineral-based, synthetic, or blended stocks. A customer once brought us samples where another supplier’s dye looked purple in Group III base oil but turned dull in Group I. We worked batch after batch until ours kept its blue in both—no guessing games, no uneven results.

    The purity matters. Cheaper substitutes include carriers, fillers, or stabilizers that seem harmless but build up over time. We supply Oil Blue 2N with high dye content—less powder needed per liter of oil, fewer storage headaches, and more precise color control per application. This payoff comes after years of revising our own upstream procurement and purification steps; we draw from long-standing supplier networks and rigorous ingress controls to start clean and keep it that way.

    Solubility sets it apart, too. We observed some other blue dyes leaving a faint haze or precipitate in light viscosity fluids—easy to miss unless you’re peering through a sight glass or running a filter check. Ours enters solution quickly, remains stable in a wide range of viscosities, and resists settling even during long freight or warehouse storage. Operators don’t waste time recirculating tanks or redosing batches.

    Why Industry Still Chooses Oil Blue 2N: Lessons from the Loading Floor

    We see choices up close every day. At automated production lines, colorants must feed smoothly into mixing tanks, without dust, bridge, or inconsistent pour rates. Our powder matches dosing equipment expectations—not too granular, not too sticky. On more manual shop floors, managers appreciate the straightforward measuring, avoiding the messy guesswork of liquid blends or lower grade powders.

    From a quality standpoint, Oil Blue 2N helps with leak detection and trace identification. Some regular buyers paint a picture: they add the dye to transformer or cutting oils, run the machinery, then scan for colored leaks with handheld lamps. Early detection of leaks and cross-contamination protects both machines and workers—a detail that the original equipment manufacturer or downtime auditor rarely sees, but one the maintenance team values.

    Blenders in the lubricants business use color as a quick check for mixing quality. If a batch of oil won’t take the expected shade, it signals possible faults: contamination, wrong base stock, or improper ratios. Our dye’s true blue acts as a quality gate, supporting upstream controls and minimizing out-of-spec product. It backs up both new blends and ongoing production, giving supervisors a clear visual cue for trouble before it reaches customers.

    Solutions to Industry Challenges with Oil Dyes

    Colorants for oils chase a narrow path. They need to walk the line between solubility, intensity, purity, and physical stability—not to mention meeting both voluntary and regulatory standards for the target application. Our engineers respond to requests for private labeling, custom pack sizes, and tight tolerances in strength or flow. These requests keep our lines flexible and staff vigilant for any variability in incoming raw materials.

    Occasionally, users push for higher intensity or unusual shades, but with Oil Blue 2N we maintain color strength that balances visibility with process compatibility. Go too strong and it stains containers or equipment. Go too weak, and the visual cue disappears in real-world settings. Overdosing also risks performance, which drives our technical support to suggest optimal dose ranges after testing the specific oil base.

    Our team stays in contact with users across heavy industry, fleet management, chemical compounding, and retail channels. They want assurance that every drum will match the next. To support this, our lab saves retention samples from every batch, tracks pigment changes by lot, and reviews complaints or off-shade incidents in detail. It’s not just about filling an order; it’s making sure each drop provides the same blue the customer saw last time.

    Environmental and Safety Considerations from Our Shop Floor

    From the first day we scaled up Oil Blue 2N, worker safety and downstream environmental impact shaped our methods and controls. We built our production to minimize airborne dust, using closed systems, dust collectors, and monitored loading stations. Employees handle the dye in specialized gear, and receive regular training on safe dosage, cleanup, and emergency measures.

    Most oil dyes have low acute toxicity by industrial standards, but we give close attention to waste handling, spill containment, and minimizing release into the air or water. Our wastewater pre-treatment and air scrubbing investments let us run on a tighter environmental standard than required, supporting both local rules and internal priorities for workplace health.

    Our technical support fields questions from users about compatibility with oils, plastics, and elastomers. Over years of casework, we haven’t seen incompatibilities with common industrial elastomers at recommended concentrations. For those using the dye in sensitive or mission-critical environments—such as aviation or food machinery—we always recommend a short trial batch for full compatibility before ramping up to production scale.

    Global Reach, Local Responsibility

    Our production started to serve domestic oil blenders, but Oil Blue 2N now ships to multinationals, specialty distributors, and independent shops across continents. Regulations differ by region—some countries regulate dyes for mobile fuels, others care more about industrial hygiene or color mandates. We adapt labeling, safety sheets, and messaging to suit each market without compromising the core product.

    Winter or summer, shipments encounter extreme conditions in transit. Powdered form gives stability through long ocean crossings and hot warehouse layovers. We monitor global logistics data from returned shipments, incorporate feedback from bottling plants, and address every caking, compaction, or spill incident directly in our plant’s process reviews.

    Packaging has its own lessons. We moved away from generic bags and open drums to sealed HDPE or lined fiber drums to prevent contamination and moisture absorption. Each cycle through the plant means tougher standards on packaging integrity, driven by claims and lessons that only come with real-life supply chain issues.

    Continuous Improvement: Perspectives from Our Team

    No dyed batch leaves our facility unchecked. Every operator, technician, and maintenance worker brings their eyes and hands to the process: monitoring melt tanks for temperature spike, confirming lot numbers on pigment batches, cross-checking final color against historical retention samples. Their reports shaped upgrades in extraction, blending, and packaging equipment.

    Processes grow and shift as customer needs evolve. For Oil Blue 2N, that means staying current with evolving environmental standards, expected product traceability, and rapid technical support. We maintain close working relationships with pigment chemists and logistics partners to keep inputs consistent and respond rapidly to shipping needs or supply interruptions.

    Feedback forms, site visits, survey calls, and technical queries influence each improvement. More often than not, an improvement comes not from a conference room, but from a customer describing a problem on the shop floor or a bottler finding a broken seal after shipment. Responsive design means not just tweaking the chemistry; it means refining all the touchpoints between our barrel and your process line.

    The Value Behind Oil Blue 2N

    In our experience, the value of a product like Oil Blue 2N shows up over time—batch after batch, machine after machine. Customers trust it to define quality in the lubricants, fuels, and specialty chemicals that drive their own businesses. Consistent performance, reliable color, straightforward dissolution and minimal residue become expectations, not luxuries. These are the standards we set with every ton shipped and the principles we bring to every batch.

    Our shop grows on the trust of customers who bring experience, not just curiosity, to every order. We welcome technical feedback and support customers who need guidance through process adjustments or formulation changes. Each request points us toward future improvements that build on the roots of a product defined by hands-on experience, careful control, and respect for the people at every step of production.

    From the start, Oil Blue 2N earned its place because it matched a real industry need: a blue dye that lasts, mixes easily, measures cleanly, and stands up to storage, shipping, and the tough business of oil blending. This product stands as proof that a focus on manufacturing detail creates value that endures beyond a single drum or batch—value reflected each time a line operator reaches for that familiar blue powder with confidence.