
PRODUCT

Zhishang Bio Solvent Red 24 CAS 85-83-6
CAS:85-83-6 | C24H20N4O |MW:380.44 | EINECS NO:201-635-8
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 24 has the chemical name 1- [( 2-methylphenyl azo) -2- naphthol] with a liquified formula of C17H14N2O. Solvent Red 24 is a common azo substance, with a chromophore (azo team) linking a substituted naphthol and benzene rings. Solvent Red 24’s special molecular composition offers it distinct chemical buildings.
Solvent Red 24 is defined by its chemical stability. At room temperature level, it is steady against air and wetness. It can also preserve its architectural stability under neutral and weakly acidic conditions for an extended period of time. In environments with solid acids or alkalis, the azo bond in particles can break, creating color change or fading.
Solvent Red 24 is likewise conscious oxidants, and will weaken under problems of high oxidation, however it is reasonably stable when subjected to reducing agents. These chemical properties have a straight impact on the series of applications and problems for dyes.
Solvent Red 24’s shade advancement device is based upon electronic shifts in its particles. The p-electrons in the molecule undertake a digital transition when revealed to noticeable light. They relocate from the ground to ecstatic states, and absorb light with a specific wavelength.
Solvent Red 24 has a maximum absorption array between 505 and 520nm relying on the solvent polarity, measurement conditions and wavelength. Its clear spectral qualities make it a beneficial device for colorimetric evaluations and quality assurance.
Physical and Appearance Qualities
Solvent Red 24 is a reddish-brown crystalline powder that appears at room temperature under pressure. It has a distinct smell, typical of dyes. The melting array is 120-130 degrees C. This fairly moderate melting temperature level is very closely relevant with molecular weights and frameworks.
Solvent Red 24 decomposes at atmospheric pressure above 250 degrees C. This shows good thermal stability, and fulfills the temperature requirements for many commercial applications.
Solvent Red 24 is extremely insoluble in water, typically less than 0.1 g/L. This residential or commercial property is particularly beneficial for applications needing water resistance.
Solvent Red 24 is additionally soluble and dispersible in waxes and polymers, which makes it a good selection for finishings and plastics.
Product Images & Packaging



Product Parameters
| Solvent Red 24 Chemical Properties |
| Melting point | 199 °C (dec.)(lit.) |
| Boiling point | 260°C |
| density | 1.1946 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.6000 (estimate) |
| storage temp. | Flammables area |
| solubility | Insoluble in water; soluble in benzene, methanol, acetone, isopropanol; slightly soluble in ethanol |
| pka | 13.52±0.50(Predicted) |
| Colour Index | 26105 |
| form | Powder/Solid |
| color | Red Brown |
| Water Solubility | 23μg/L at 25℃ |
| ε(extinction coefficient) | ≥12000 at 356-360nm in toluene at 0.008g/L ≥26000 at 519-523nm in toluene at 0.008g/L |
| λmax | 520 nm, 357 nm |
| Merck | 14,8393 |
| BRN | 709018 |
The application of Solvent Red 24
Solvent Red 24, application areas
Solvent Red 24 is an excellent oil-soluble dye that plays an important part in many industrial areas.
Solvent Red 24 in the plastics industry is a red coloring agent that’s widely used to color thermoplastic materials like polyolefins (polystyrene), polyvinylchloride (polycarbonate), etc.
Solvent Red 24 is a colorant that has excellent thermal stability. It can be used in injection molding, extrusion and blow molding as well as other plastic processing processes.
Solvent Red 24 is a good choice for plastic products because it has a high migration stability and won’t seep to the surface. Toys, household utensils and packaging materials are some of the most common applications.
Solvent Red 24 is also used in the ink industry. Solvent Red 24 is used in the manufacture of various solvent-based inks including flexible printing, gravure, screen printing, and other inks.
Solvent Red 24 is used in these applications to provide a vibrant red color, as well as good printability and fluidity. Its good adhesion with various printing materials, especially in packaging printing makes it a preferred coloring agent.
Solvent Red 24 can be used in the coatings industry to formulate a variety of solvent-based coatings. These include industrial coatings as well as decorative and specialty coatings. Due to its excellent weather and light resistance, it is particularly suitable for outdoor systems such as automotive repair, exterior wall coatings etc.
These dyes must not only be decorative, but also maintain color stability over time and resist environmental factors like ultraviolet radiation and temperature fluctuations.
Solvent Red 24 has a wide range of applications in the personal care and cosmetics industries. Solvent Red 24 is used to color lipstick, nail varnish, hair wax, and other products in order to achieve a vibrant and long-lasting red.
These applications have extremely strict purity and safety standards for dyes, which must also comply with the relevant specifications of cosmetic raw materials. To ensure the safety and reliability of their products, manufacturers must provide impurity analyses and toxicological data.
Solvent Red 24 '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.
Related References
Manufacturer of Solvent Red 24
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 24 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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