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User Guide: High Quality Selenium CAS 7782-49-2 With Good Price

Table of Contents

Basic Information and Parameters

Our product, High Quality Selenium CAS 7782-49-2 With Good Price, is a premium selenium product that meets high - quality standards. Selenium is a chemical element with the symbol Se and atomic number 34. It exists in several allotropic forms, including the gray metallic form and red amorphous powder forms.

The CAS number 7782 - 49 - 2 precisely identifies this product in the chemical industry. Our selenium product is of high purity, with strict quality control measures in place during the production process. The specific purity level can be further customized according to customer requirements, usually ranging from 99% to 99.99%.

In terms of physical properties, gray selenium has a melting point of about 217°C and a boiling point of around 685°C. It is insoluble in water but soluble in concentrated sulfuric acid and some organic solvents. The particle size of our selenium powder can also be adjusted, typically available in the range of 20 - 200 mesh, which is suitable for different industrial applications.

Product Uses

Selenium has a wide range of applications in various industries. In the electronics industry, it is used in the production of photovoltaic cells. Selenium - based photovoltaic cells can convert sunlight into electricity with relatively high efficiency, making it an important material in the field of renewable energy.

In the glass manufacturing industry, selenium is added to glass to decolorize it. It can counteract the green color caused by iron impurities in the glass, resulting in clear and high - quality glass products. Additionally, selenium can also be used to produce red - colored glass for decorative and artistic purposes.

In the chemical industry, selenium is used as a catalyst in some chemical reactions, such as in the production of certain polymers. It can also be used in the synthesis of selenium - containing organic compounds, which have potential applications in pharmaceuticals and pesticides.

Product Usage

When using our selenium product, proper safety precautions should be taken. It is recommended to wear appropriate protective equipment, such as gloves and goggles, during handling. When using selenium in a chemical reaction, it should be added gradually according to the reaction requirements and under appropriate temperature and pressure conditions.

For applications in the electronics industry, selenium powder can be mixed with other materials in a specific ratio and then processed through sintering or other techniques to form the desired electronic components. In the glass manufacturing process, selenium should be added at an appropriate stage of the melting process to ensure uniform distribution in the glass.

Product Usage Case Studies

Case 1: A photovoltaic cell manufacturing company used our high - quality selenium in their production. They replaced the previous lower - quality selenium with our product. As a result, the conversion efficiency of their photovoltaic cells increased by 5%. The improved efficiency led to higher power output per unit area of the cells, making their products more competitive in the market. After using our selenium for six months, their sales volume increased by 15% compared to the same period last year.

Case 2: A glass manufacturer added our selenium to their glass production line. They were facing issues with the greenish tint in their clear glass products. After adding our selenium in the appropriate amount, the green color was effectively removed, and the clarity of the glass was significantly improved. Their customers were more satisfied with the product quality, and they received more orders for high - end glass products.

Contact Information

If you have any questions or need more information about our High Quality Selenium CAS 7782 - 49 - 2 With Good Price, please feel free to contact us. Our email address is info@vivalr.com, and our phone number is (86) 15866781826. We are always ready to provide you with professional support and assistance.

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The Manager has Something to Say

ceo

This is William, CEO of Zhishang Chemical Co., Ltd.

Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.

About the company

Vivalr, a paragon of innovation in the chemical sector, fuses cutting - edge R & D with unwavering commitment to quality. Our product spectrum, from industrial stalwarts to fine - tuned chemicals, is a testament to our versatility.

Drug impurities to intermediates. Years of expertise.

Experience in the synthesis of complex compounds derived from American technology
Focus on the synthesis of difficult compounds
ISO 17034 dual system certification
National high-tech enterprise
2000 square R&D center
More than 20 research and development personnel,
12 sets of research and development equipment, 10 fume hoods and 6 university laboratories have been developed in cooperation
18 patents, 140 sets of chemical synthesis processes

Solid QMS. Offer top-quality products and services.

Through more than ten years of continuous technological innovation and experience accumulation, the team's R&D personnel have established a complete quality management system for CATO, and have successively obtained ISO9001, ISO17034, CNAS and other international certifications.
For the United States, Australia, Japan, South Korea, Sweden, France, Spain and other global more than 2000 customers to provide high-quality products and services, has won the recognition and trust of customers in the industry.

More than 12 sets of equipment to ensure quality.

The emphasis on quality is the basis for our survival and development, and is the most basic requirement for the products and services we provide. CATO has established a scientific, strict and comprehensive quality prevention and assurance system in accordance with international quality standards. Through advanced testing equipment such as GC-MS, chromatograph, nuclear magnetic resonance, scanning electron microscope, and ultraviolet light, quality management is implemented into every aspect of production and operation activities such as raw materials, inventory, production, testing, sales, verification, and training, and "All actions are controlled and traceable" as the work code of conduct for CATO employees.

Over 1000 cases. Synthesize complex compounds.

Currently, CATO serves more than 500 pharmaceutical companies, biotechnology and other companies around the world. Project types cover the entire cycle from pre-clinical to commercialization stages. As of 2020, CATO has delivered more than 1,000 projects in total.
The company has core technologies in key core technology fields such as high-end fluorine chemistry, asymmetric chiral synthesis, glycoside and biological enzyme technology, and continuous microreactors.

Mode of Transportation

By Air, fast but expensive.

By Sea, usual and economy.

By Train, suit for middle Asia countries.

FAQ

Does it support auditing?

Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province

Whether to provide samples?

Free samples can be provided, and customers only need to pay the corresponding shipping costs

Delivery time

There are stock in the warehouse, and some products need to be customized for production within 3 working days, depending on the workshop situation and production schedule

What payment methods and currencies are accepted here?

We accept payment methods such as TT, Western Union, and letter of credit, etc. Meanwhile, we support currencies like US dollars, euros, RMB, and Bitcoin, etc.

Can additional test indicators be added?

We can provide moisture, UV, IR, HNMR, CNMR, two-dimensional nuclear magnetic spectroscopy, optical rotation detection, elemental analysis, TGA analysis and residue analysis and other related tests to support personalized needs.

Technical direction

In the early stage, our company mainly engaged in drug impurity synthesis and standard product production, with core technologies in chirality, fluorine chemistry, and heterocycles.

Why Vivalr’s delivery rate is guaranteed to be 99.99%

2000+

square meter R&D center

12+

China(set) of R&D equipment

10+

Fume hood

20+

R&D team

User’evaluation of us

"vivalr is my partner for years. Met at 2014 Shanghai CPHI Expo. Not interested then as had stable supplier. In Sep 2016, original supplier couldn't guarantee quality and delivery. Thought of Zhai and his company first. So far, have stable business relationship and good personal friendship."

Marcus Long

" In years of sourcing from China, first found working with Sincere Chemical great. They help in production, delivery and tech, saving time. When first asking Zhai for optical brightener quote, got detailed one with prices, trade details, company info, R&D and production capacity, packaging and raw material control."

Emma Kung

" Hi, I'm Kim, Zhai's partner. Don't like him much (as he never gives more for my prices, haha), but still write customer feedback. Zhai's emails help me understand product and industry. Satisfied with his work ethic. He provides quotes and helps with work details, so I can focus on other things. He's the best supplier for me."

Lisa Phoenix

" Sincere Chemical team visited our USA factory in the year of 2017. We think highly of cooperation with them. We thanked you for the past excellent orders and best product quality. We also talked about some new products for future orders. We will be still in strategic cooperation in the future and help each other."

Marcus Long

"Sincere Chemical is reliable and professional. Its team is excellent in exporting and service, giving suggestions for our new project. Satisfied with service and product quality. Vendor code: 51465768."

Emma Kung

" We are a pharmaceutical manufacturer in Brazil. Happy to cooperate with Sincere Chemical, especially with Zhai. He is patient and friendly. Satisfied with his 24/7 service. We are not only cooperators but also best friends."

Lisa Phoenix

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