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Solvent Red 150 (C.I. Solvent Red 150, CAS: 95567-21-8) is an organic solvent‑soluble dye belonging to the monoazo chemical family. The product is an oil‑soluble dye that ranges in color from yellowish‑red to yellowish‑orange in its transparent oil‑based form, with a melting point of approximately 182 °C and density of 0.25 g/cm³ . It is characterized by good heat resistance, good light fastness (grade 6‑7 on the 1‑8 scale), and high tinting strength, making it an exceptionally stable, vivid, and reliable colorant for demanding industrial applications requiring consistent pigment dispersion and migration resistance during high‑temperature manufacturing . A key performance feature is its thermal stability — in polystyrene (PS), the dye can withstand temperatures up to 240 °C . It maintains excellent color strength and optical transparency without degrading or losing vibrancy, even under high processing temperatures.

As an oil‑based solvent dye, Solvent Red 150 is highly soluble in non‑polar solvents including oils, fats, waxes, ethanol, benzene, toluene, turpentine, and various organic solvents . It is completely insoluble in water. The dye is widely used for coloring industrial and consumer products across the plastics, printing, packaging, and coating sectors. Due to its good solubility in non‑polar mediums, it demonstrates excellent compatibility with industrial polymers and formulations.

Core Application Fields

Solvent Red 150 serves as a versatile coloring agent across multiple industrial sectors, offering high tinting strength and good heat resistance.

1. Plastic Industry.
The primary application of Solvent Red 150 is in the plastics industry, where it is used to produce transparent red, translucent, or opaque colored products. The polymer‑soluble dye is compatible with a wide range of polymers, including polystyrene (PS), high‑impact polystyrene (HIPS), acrylonitrile butadiene styrene (ABS), polycarbonate (PC), rigid polyvinyl chloride (RPVC), polymethyl methacrylate (PMMA), styrene acrylonitrile (SAN), AS resin, polyamide 6 (PA6), and PET . In these matrices, the dye provides even dispersion, preventing pigment clumping or streaking. Its heat resistance (up to 240 °C in PS) makes it particularly valuable for high‑temperature extrusion and injection molding processes . Common end‑products include transparent engineering plastic parts (e.g., automotive trim, consumer electronics housings), packaging films, rigid containers, and decorative sheets, as well as fiber and filament applications via masterbatch addition .

2. Printing Inks.
Solvent Red 150 is widely incorporated into solvent‑based printing ink formulations. Its strong solubility in organic solvents (e.g., toluene, xylene) ensures smooth ink flow, consistent pigment dispersion, and rapid drying on non‑porous substrates. It can be used in screen printing, gravure printing, and flexographic inks for packaging materials and labels. Solvent‑based inkjet inks must be stable at operating temperatures as high as 150 °C or even 175 °C; Solvent Red 150 meets these thermal stability requirements, maintaining consistent color quality . Common end‑products include flexible packaging, paper and board, industrial coding and marking, and security printing.

3. Industrial Coatings & Paints.
The dye is applied in the formulation of industrial paints and coatings for metal, wood, and plastic surfaces. Its strong solubility in non‑polar solvents and good light fastness deliver uniform color distribution, high gloss, and long‑lasting exterior durability. Applications include general industrial paints, automotive refinish coatings, marine coatings, varnishes and wood stains, and coil coatings.

4. Grease, Oil & Wax Coloring.
Solvent Red 150 is highly soluble in lubricating oils, greases, and waxes, offering excellent coloring for petroleum products, candles, and polishes, as well as turpentine-based polishes and industrial lubricants with easy product identification . Common applications include candles and wax products, furniture polishes, automotive lubricants and additives, and leather finishing.

5. Stationery.
The dye is also utilized in the production of various stationery items, including marking pens, ballpoint pens, stamp pad inks, and highlighter fluids, where its good solvent solubility, ink flow, and dyeing depth ensure clear, vibrant coloration.

Major Market Participants

The global supply system for Solvent Red 150 is supported by a network of specialized chemical manufacturers and distributors. Key brands include SUMIPLAST RED HF4G (produced by Yasuda Sangyo Co., Ltd., Japan) and equivalents from major Chinese dye producers. Suppliers are required to maintain strict control over synthesis and purity to ensure consistent batch‑to‑batch performance.

Shanghai XinChem Co., Ltd. has established a reliable, fully quality‑controlled supply chain for high‑purity Solvent Red 150 (C.I. Solvent Red 150, CAS 95567-21-8). Our product meets rigorous industrial specifications — high tinting strength, good heat resistance (compatible with standard polymer processing), good light fastness (grade 6‑7), melting point ~182 °C, and strict heavy metal limits — fully compliant with international quality standards for plastics, inks, and coatings applications.

Regional Market Dynamics

The global solvent red market is projected to grow from approximately USD 2.3‑2.4 billion by 2031, registering a compound annual growth rate (CAGR) of 3.6 % from 2025 to 2031 . The Asia‑Pacific (APAC) region is the largest and fastest‑growing market, driven by robust demand from the plastics, printing, and coatings industries in China, India, and Southeast Asia . China alone is a major producer and consumer of solvent red dyes . India‘s packaging and flexible printing sectors are expanding, fueling additional demand for high‑performance solvent dyes. North America and Europe account for a significant share, with emphasis on high‑purity, compliant products for packaging, automotive coatings, and industrial inks. The expansion of manufacturing capabilities in emerging economies, along with increasing consumer demand for colored products and packaging, sustains strong growth across all major regions.

Regulatory and Environmental Considerations

Solvent Red 150 may be classified as a flammable liquid/vapor depending on the formulated state (e.g., H226). The dye is generally assigned the risk code R36/37/38 (“Irritating to eyes, respiratory system and skin”), and appropriate personal protective equipment (PPE) — including chemical‑resistant gloves and safety glasses — should be worn during handling. The dye is fully soluble in non‑polar media, not water‑soluble, and precautions should be taken to prevent environmental release during disposal . The product can be packaged in various container sizes, including 5 kg pails, 20 kg and 25 kg fiber drums, and larger industrial totes as required.

In the European Union, Solvent Red 150 is subject to REACH regulations; importers and manufacturers must provide Safety Data Sheets (SDS) and comply with EC 1907/2006. In the United States, the EPA regulates the dye under TSCA, and import shipments are subject to routine compliance review by US Customs and Border Protection. For food‑contact or FDA‑regulated applications (e.g., food packaging), buyers should consult FDA regulations on a case‑by‑case basis. In China, the dye is listed in the Inventory of Existing Chemical Substances (IECSC), with HS Code 32041900, and manufacturing facilities are subject to environmental and safety inspections by the Ministry of Ecology and Environment (MEE). Globally, there is a growing push toward sustainable and eco‑friendly dyes with lower VOC content and improved biodegradability .

Future Outlook

The market outlook for Solvent Red 150 is tied to three core drivers: (1) sustained growth in the global plastics and packaging industries, where high‑performance colorants for engineering plastics (ABS, PC, PMMA, PS) are in rising demand; (2) increasing demand for solvent‑based printing inks in flexible packaging and labeling; and (3) the expansion of industrial coatings markets in Asia‑Pacific, particularly in automotive and consumer electronics sectors. Enterprises should focus on securing high‑purity production, maintaining rigorous quality documentation for global regulatory filings, and building long‑term supply partnerships with compounders, masterbatch manufacturers, and ink formulators.

Shanghai XinChem Co., Ltd.

As a world‑leading supplier of organic chemicals and industrial dyes, Shanghai XinChem Co., Ltd. has always focused on the innovative needs of the plastics, coatings, and ink industries. Relying on core advantages in sourcing, quality assurance and global logistics, we provide high‑quality Solvent Red 150 (C.I. Solvent Red 150, CAS 95567-21-8) to customers worldwide.

1. Technical Advantages

High Tinting Strength & Good Heat Resistance: Our product maintains excellent color strength and transparency at high processing temperatures (compatible with extrusion/injection molding up to 240 °C in PS ). Good heat resistance ensures reliable performance across diverse industrial applications.
Good Light Fastness: Achieves grade 6‑7 on the 1‑8 scale, ensuring color retention and resistance to photochemical degradation under prolonged UV exposure .
Excellent Solubility in Non‑Polar Solvents: Fully soluble in oils, fats, waxes, toluene, xylene, and most organic solvents; used for masterbatch, liquid colorants, and direct dissolution in solvent‑based systems.
Low Impurity Profile: Strict control of heavy metals and residual solvents ensures compliance with RoHS, EN 71‑3, and other global safety standards.
Batch‑to‑Batch Uniformity: Rigorous analytical testing (HPLC, GC, melting point, color strength measurement) guarantees consistent quality and reproducible coloration across all production lots.

2. Product Advantages

Versatile Coloring Platform: Directly used in transparent/translucent plastic coloration for automotive, electronics, packaging and consumer products; solvent‑based screen, gravure and flexographic printing inks; industrial paints, coatings and varnishes; petroleum products, candles, waxes and lubricants; and marking pens, highlighters and stationery.
High Transparency & Color Depth: Creates vibrant, optically clear red‑orange hues with excellent depth, making it ideal for premium packaging and high‑visibility decorative applications.
Good Migration Resistance: Prevents color bleeding into adjacent materials, preserving the aesthetic quality of multilayer packaging and co‑extruded plastic components.
Flexible Packaging Options: 25 kg fiber drums (industrial), 5 kg pails (pilot/R&D), 100 g, 500 g, 1 kg and 5 kg sample packaging for laboratory evaluation. Full custom packaging available.
Reliable Supply Chain: Annual capacity in the multi‑hundred‑ton range, with dedicated temperature‑controlled warehousing (cool, dry, light‑protected) and just‑in‑time delivery.

3. Application Fields

Plastics Industry: PS, HIPS, ABS, PC, RPVC, PMMA, SAN, AS, PA6, PET – for automotive parts, consumer electronics, packaging, fibers/filaments, films and sheets.
Printing Inks: Screen printing, gravure (rotogravure), flexographic, solvent‑based inkjet and pad printing for flexible packaging, labels, cartons and industrial marking.
Industrial Coatings & Paints: General industrial paints, automotive coatings, marine paints, varnishes, wood stains and coil coatings.
Grease, Oil & Wax: Candle and wax coloring, lubricating oil and grease identification, furniture polishes, leather finishing and turpentine‑based polishes.
Stationery: Marking pens, ballpoint pens, stamp pad inks, highlighter fluids and writing instruments.

4. Service Support
Our technical team provides full impurity profiling (heavy metals by ICP‑MS, residual solvents by GC‑headspace), custom purification to any desired specification, and complete regulatory documentation (Certificate of Analysis, Technical Data Sheet, Safety Data Sheet, REACH compliance, TSCA certification). We also offer custom packaging, cold‑chain logistics and just‑in‑time delivery.

5. Why Choose XinChem

Professionalism: 20+ years in the organic dye and pigment intermediate industry.
Flexibility: Tailored to customer purity specifications, color strength requirements, packaging sizes and regulatory documentation needs.
Cost‑effectiveness: High quality at competitive industrial pricing.

Post time: May-24-2026

High-Performance Organic Solvent Dye for Plastics, Inks & Industrial Coatings: Solvent Red 150 (CAS 95567-21-8)