Vat Red 41 Supplier | CAS 522-75-8 | Zhishang
Vat Red 41 CAS 522-75-8
CAS:522-75-8 | C16H8O2S2 |MW：296.36 | EINECS NO：208-336-1
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
Product Introduction
Vat Red 41 (CAS 522-75-8), also known as Thioindigo, is an organic colorant with the molecular formula C16H8O2S2 and a molecular weight of 296.36 g/mol. It is listed in chemical databases under several related dye names, so buyers should confirm the exact Colour Index designation and commercial grade before placing an order.
Vat Red 41 is associated with red colorant applications in plastics and selected synthetic materials. Its suitability depends on the material being colored, processing conditions, and the specifications of the supplied grade.
Product Images & Packaging
Product Parameters
| Vat Red 41 Chemical Properties |
| Melting point | 280°C(lit.) |
| Boiling point | 407.96°C (rough estimate) |
| density | 1.3686 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5341 (estimate) |
| storage temp. | Storage temp. 2-8°C |
| form | powder to crystal |
| Colour Index | 73300 |
| color | Orange to Brown to Dark purple |
| Water Solubility | 1mg/L |
| LogP | 3.53 |
| CAS DataBase Reference | 522-75-8(CAS DataBase Reference) |
Key Applications of Vat Red 41
1. Plastic Coloration
Vat Red 41 is listed for use in coloring selected plastics, including polystyrene (PS), polycarbonate (PC), and ABS resin. Before production, buyers should evaluate color strength, dispersion, heat stability, and compatibility with the target polymer.
2. Synthetic Fiber Applications
Some product references describe its use in polyester-related coloration. Actual suitability depends on the dyeing or coloration process and the grade supplied. Confirm compatibility through technical data and application testing.
3. Industrial Colorant Development
Vat Red 41 may be considered during color matching and formulation development where its shade and performance meet the required specifications. Trial batches can help assess color consistency and processing behavior.
Chemical Properties of Vat Red 41
Vat Red 41 has the following commonly listed chemical identifiers:
CAS Number: 522-75-8
Alternative Name: Thioindigo
Molecular Formula: C16H8O2S2
Molecular Weight: 296.36 g/mol
Chemical Type: Organic colorant
Appearance: Commonly described as a dark red powder; confirm the actual appearance against the supplied grade.
For industrial purchasing, appearance alone is not enough to identify a product. Check the CAS number, product specification, batch information, and applicable technical documents.
What to Check Before Buying Vat Red 41
When sourcing Vat Red 41, buyers should review the following points:
Product identity: Confirm CAS 522-75-8 and the exact product designation.
Quality specifications: Request the available assay, color strength, and relevant test results.
Application compatibility: Explain whether the material is intended for plastics, fibers, or another use.
Documentation: Request the applicable Certificate of Analysis (COA), Technical Data Sheet (TDS), and Safety Data Sheet (SDS).
Packaging and supply: Confirm available pack sizes, minimum order quantity, lead time, and shipping arrangements.
Why Work with Zhishang bio?
Zhishang bio supports B2B buyers seeking chemical raw materials for industrial applications. Our team can discuss product requirements, available documentation, packaging options, and supply arrangements based on the requested grade and order volume.
We aim to make the sourcing process clear and efficient, from initial product inquiries to order coordination. Contact our team with your target application and required specifications to discuss a suitable supply option.
FAQ
Vat Red 41 is associated with selected plastic-coloration and synthetic-material applications. Its suitability should be confirmed against the intended material and the technical specifications of the supplied grade.
The CAS number is 522-75-8. Thioindigo is another commonly listed name for this compound.
Its commonly listed molecular formula is C16H8O2S2, with a molecular weight of approximately 296.36 g/mol.
Escrow and T/T in advance are highly recommended. We can accept Western Union, Money Gram and Paypal as well.
Ask the supplier for the available COA, TDS, and SDS. You should also confirm the product’s identity, color specifications, intended application, packaging, and delivery terms before ordering.
Related References
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Manufacturer of Vat Red 41
Achievements
Advantage
Service
FAQ
Advice on Shipping
Achievements
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 Vat Red 41 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.
Advantage
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.
Service
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.
FAQ
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
Advice on Shipping
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.
Company Info
Zhishang Bio company in China that exports chemicals, Cosmetic raw materials, and Intermediates for over 70 countries now.
And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.
The company integrates research and development, production, and trade, with a modern production base, advanced testing equipment, and an experienced technical team to ensure that products reach industry-leading levels in purity, stability, and environmental friendliness.
