PRODUCT
Sulforhodamine B CAS 3520-42-1
CAS:3520-42-1 | C27H31N2NaO7S2 |MW：582.66 | EINECS NO：222-529-8
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
Sulforhodamine, B is a water-soluble xanthene color. Its physical properties can be seen in the macroscopic morphology of its dye and its basic physical parameters. Pure products are usually dark red, reddish brown or small particles that have a metallic luster at room temperature and under pressure. The molecular structure of Sulforhodamine B is a strong absorber and reflector towards certain wavelengths. This gives it a distinct appearance. Sulforhodamine B has a density that is higher than water. However, the exact value can vary depending on how it was produced and whether there are impurities. The solubility of the dye is a key physical property. It is highly soluble and forms a clear, deep red solution in water. It is used as an acidic colorant in aqueous baths. It can be dissolved moderately in polar organic liquids like ethanol and methanol. However, its solubility in non-polar fluids, such as toluene and benzene, is very low. This is due to the high polarity and ability of the molecule to form hydrogen bond with the solvent. Sulforhodamine B has a good thermal stability. It can be used at temperatures that are conventional for dyeing and processing without decomposition. However, excessive exposure to high temperatures can lead to color changes and decomposition. The particle size will influence the dissolution rate, and uniformity of solution, which will impact its performance. Therefore, industrial products have specifications that are based on this.
Sulforhodamine B’s optical properties are of particular importance, and constitute its main function as a colorant. The aqueous dye solution has a vibrant orange-red to red color. This is due to the conjugated xanthene structure, which can absorb light in blue-green regions of the visible spectrum. It also reflects and transmits red light. Its color depth and solution concentration are determined by Lambert Beer’s Law. Within a range of concentration, its absorbance is proportional. This makes it ideal for colorimetric analyses. Sulforhodamine B’s fluorescence is another important optical property. It emits a strong yellow-green fluorescence when excited by shorter wavelength sources of light such as blue or ultraviolet light. When returning to its ground state, the molecules release energy, usually in the form radiation, and return to their excited state. (The peak emission wavelength is typically around 550 to 570 nanometers). Its high fluorescence quant yield and large Stokes Shift (wavelength difference between the excitation and emission peak) makes it valuable in fields like fluorescence staining and labeling. Its physical properties are also sensitive to the environment. For example, the pH of the solution can affect its color depth or fluorescence intensity. The presence of metal ions could also cause color changes or precipitation. This stability is key to their performance under different scenarios.
Product Images & Packaging
Product Parameters
| Sulforhodamine B Chemical Properties |
| density | 1.472[at 20℃] |
| storage temp. | room temp |
| solubility | methanol: 1 mg/mL |
| form | powder |
| Colour Index | 45100 |
| color | Brown to Very Dark Purple |
| biological source | synthetic (organic) |
| Water Solubility | 95.3g/L at 20℃ |
| ε(extinction coefficient) | ≥85000 at 554-560nm in 0.1 M NaOH in methanol at 0.005g/L |
| λmax | 554 nm |
| BRN | 3886008 |
| InChIKey | XCRMYPBRGZRYEU-UHFFFAOYSA-N |
The application of Sulforhodamine B
Sulforhodamine B as a high-performance xanthene color, has applications that go far beyond the traditional textile dyeing categories. Its bright color, excellent solubility in water, and strong fluorescence properties make it a valuable component of modern industrial and high tech fields.
1. Coloring Traditional and Specialty Fabrics
In the textile industry Sulforhodamine B dyes polyamide and protein fibers. Natural protein fibers, such as silk and wool, contain many amino groups. In acidic dyeing solutions, fibers with a positive charge can form a strong bond through ionic bonds with the sulfonic anion of the Sulforhodamine B.
Sulforhodamine B can also dye nylon fibers, which contain amino groups similar to those in nylon. The fabric will take on a vibrant red color.
It’s not just used to dye red, but is also used to create composite colors like purple and orange. It is used to color leather in addition to dyeing conventionally. This principle is similar to that of dyeing protein fibers.
Sulforhodamine B can be used in these applications to provide moderate sun resistance and good wet-treatment fastness. It is also used for high-end inks to be printed on special fabrics, such as silk or wool. The inks have a smooth writing performance, and vibrant color rendering effects.
2. Fluorescent labels in biomedical research and scientific research
Sulforhodamine B has a high-tech and valuable application. It is used widely as a fluorescent dye in cell biology and molecular biology research.
Cell staining: Fluorescence microscopy can be used to examine the morphology, the structure and some physiological processes in cells. This is possible because molecules bind to specific components of the cell and emit strong fluorescent light when excited by lasers of a certain wavelength.
Its universality, despite its lower affinity for nuclei than some dyes specific to the cell, makes it an excellent cytoplasmic and whole-cell marker.
Sulforhodamine’s fluorescence is used in fluid mechanics, medical diagnosis, and environmental science. Sulforhodamine B’s fluorescence properties are used as tracers in fluid mechanics, environmental science, and medical diagnosis.
The Sulforhodamine B molecule’s active groups can covalently bond with amino and other protein groups, “labeling” them with fluorescence.
This method allows researchers to track the location, movement, interaction, and expression level of specific proteins in cells. It is an important tool for immune detection techniques like Western Blot or ELISA.
Additives functional in industrial and consumer goods
Sulforhodamine B is a useful additive that can be found in a variety of industrial and consumer products.
Sulforphanine is added to cosmetics for a bright red color. This includes shampoo, bath gel and foam shaving cream.
Due to its high coloring power, it’s not usually used in resident cosmetics, to prevent long-lasting skin coloring. This is most common in temporary cosmetics that need to have a visual impact.
Sulforhodamine B is used for the production of red inks, inkjet printers, and colored pen pens. The fluorescent model produces ink for fluorescent markers, which emit an eye-catching fluorescent under natural or ultraviolet light.
Sulforhodamine B '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 Sulforhodamine B
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 Sulforhodamine B 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.
