
Solvent Red 52 CAS 81-39-0 | C.I. 68210 Solvent Dye | Zhishang Bio

Zhishang Bio Solvent Red 52 CAS 81-39-0
CAS:81-39-0 | 81-39-0 |MW:366.41 | EINECS NO:201-346-7
Payment: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Transporta: Ocean, Land,Air, DHL,TNT
Port: Shanghai Port, Qingdao Port
Description
Solvent Red 52, CAS 81-39-0, is an oil-soluble solvent dye also identified as C.I. 68210. It has a molecular formula of C24H18N2O2 and a molecular weight of approximately 366.42 g/mol. The dye is known for its bluish-red shade and is used for coloring selected plastics, polymers and synthetic fibers.
Solvent Red 52 is particularly relevant to manufacturers looking for a bright red colorant for polymer systems. Depending on the resin and processing conditions, it can be used in materials such as PS, ABS, PMMA, PC and PET. Buyers should evaluate heat resistance, light resistance, migration behavior, color strength and compatibility with the target polymer before selecting a grade.
For customers sourcing Solvent Red 52 CAS 81-39-0, Zhishang Bio provides product information and supply support. Contact our team to confirm current specifications, packaging, availability and quotation.
Product Images & Packaging



Product Parameters
| Property | Information |
|---|---|
| Product Name | Solvent Red 52 |
| CAS No. | 81-39-0 |
| C.I. No. | C.I. 68210 |
| Chemical Group | Anthrapyridone |
| Molecular Formula | C24H18N2O2 |
| Molecular Weight | 366.42 g/mol |
| Appearance | Solid / powder |
| Color Shade | Bluish red |
| EINECS No. | 201-346-7 |
| Application | Plastics, polymers and synthetic fibers |
The application of Solvent Red 52
1.Chemical and Plastic Industry
Solvent Red 52 is a key player in this field. It is widely used for coloring various thermoplastics, synthetic fiber slurries and other materials. The excellent thermal stability of this dye allows it to be used in high temperature plastic processing. The colors will remain bright and vibrant even at high temperature.
Solvent Red 52 is a plastic product that has a high degree of transparency with a vibrant red color. Some examples include decorative panels and signal lampshades, toys, stationery, and cosmetic packaging containers. Some synthetic resins and toys are also colored with it.
2.Ink and Printing Industry
Solvent Red 52 pigment is used to formulate various solvent-based inks. It dissolves in ester or ketone solvents, or in hydrocarbons, to produce inks with high color saturation and fast drying. This ink is used widely in gravure and flexographic printing.
Solvent Red 52 is also the red component of certain coding inks and marking pen inks, which are used to meet the need for clear identification on non-absorbent surfaces such as metal, plastic, and glass. Solvent Red 52 can also be found in certain marking pen inks or coding inks. This allows for a clearer identification of non-absorbent surfaces like metal, plastic and glass.
3.Coatings and Coating Industry
Solvent Red 52 can be used in the coatings industry to modulate metallic paints and transparent red paints. It is able to dissolve evenly into the base material of the coating, giving it a transparent and bright red color. It is used to topcoat automotive repair paints, bicycle paints, model paints, and decorative metal products. Solvent Red 52, for example, can be used to achieve a vibrant red luster in decorative coatings applied to aluminum foil and metal surfaces. This will enhance the appeal of the finished product. The good compatibility of Solvent Red 52 ensures uniformity and durability in the coating color.
4. In the fields of optics and electronics
This is an important but relatively professional application. Solvent Red 52 is a laser dye that has tunable emission characteristics in a certain wavelength range. It has been used for early research and experimentation on some dye lasers. Solvent Red 52 is used to color certain optical filters and functional coatings. It also has specific light absorption characteristics.
Solvent Red 52 's Procurement Guide
Procurement Guidelines
1. Sample Policy
We can provide a 2-3g free trial package (shipping fee required)
2. Batch procurement
Packaging: 25kg/bag; 220kg/barrel; Special packaging according to your needs
MOQ:1kg
3. Customized services
Concentration customization (90% -99%)
Paeonol’s outsourcing services

FAQ
Yes, we have our own factory called ” ZhiShang Industry Group “
Yes, we have GMP certificate for some products, and we can provide DMF as well.
-Quality you require, eg. Assay, Purity, or single impurity
-Quantity you need
-Standard you want, such as USP, EP, JP etc.
Escrow and T/T in advance are highly recommended. We can accept Western Union, Money Gram and Paypal as well.
For sample(less than 1kg), in about 3 working days after payment; for larger orders (more than 1kg), in about 7 working days after payment.
For samples, we will send by TNT/DHL/FEDEX/UPS express, usually it takes about 3-5 day.
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Manufacturer of Solvent Red 52
Zhishang Bio is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of cosmetic raw materials, disinfectants, flavors and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Zhishang Bio will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.
As a professional Solvent Red 52 manufacturer, Zhi shang Bio has served more than 6,000 customers around the world. Because of our high-quality products and professional services, we have won high praise from most of our customers.
Zhishang Bio is a professional enterprise engaged in the research and development, production, and sales of chemical raw materials. It has a strong supply chain system and strict quality control standards to ensure the provision of high-quality products with high purity and stability to customers.
Zhishang Bio’s core strength is its independent research and design capabilities. It has advanced production equipment, testing laboratories and can customize chemical raw materials to meet the market demands. This includes pharmaceuticals, electronic, coatings and agricultural applications.
Zhishang Bio’s supply chain management is based on long-term relationships with domestic and international suppliers of high quality to guarantee a stable supply, optimize logistic systems, and achieve efficient distribution. This helps reduce the cost of customer purchases.
We adhere to international environmental standards and we also adhere to the concept that environmental protection and safety production are important. All production processes must comply with these standards in order to guarantee that our products will be green and sustainable.
With a professional technical team and comprehensive after-sales service, Zhishang Bio can provide customers with precise technical support, solve application problems, and help customers enhance product competitiveness.
We are always customer-oriented and committed to becoming a trusted chemical raw material partner.
Zhishang Biography is dedicated to using clients extensive and expert service, including chemical raw material. The customers will certainly receive hassle-free, efficient and one-stop options.
1. Custom-made Supply Solutions
Zhishang Bio provides tailored services for clients in the chemical basic material sector, including special bit dimension, solvent residue control, stability optimizations and more. Clients can personalize their services to satisfy details requirements in industries such as drugs, electronic devices, and finishings.
2. Strict quality assurance
Zhishang Bio utilizes advanced screening equipment and stringent quality examination procedures, in addition to various other files, to guarantee that every batch of products is certified with international criteria such ISO GMP, REACH, and so on. Customers are also given with full quality records and conformity documents.
The supply chain is secure
Zhishang Bio has actually established lasting calculated collaborations with worldwide makers of top notch raw materials to make certain a secure supply, maximize the storage facility and logistics system, and assistance both small-scale examinations and large orders. It adjusted to the changing requirements of clients by responding flexibly to these changes.
4. Technical support
Zhishang Bio’s technical group can offer suggestions on product applications, formula optimization and analysis of industry patterns to aid clients fix technological troubles during production and boost item efficiency.
5. Efficient after-sales service
Zhishang Bio provides complete monitoring, reacts to client requests and delivers promptly. This will certainly make certain customer complete satisfaction.
Zhishang Biography intends to help consumers expand their service by providing the very best solutions and chemical resources.
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
Shandong Look Chemical
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.
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