| CAS No.: | 67-68-5 |
|---|---|
| Formula: | C2h3n |
| EINECS: | 200-664-3 |
|
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Dimethyl sulfoxide (DMSO) is a kind of sulfur-containing organic compound, the molecular formula is C2H6OS, at room temperature is colorless odorless transparent liquid, is a kind of hygrometric flammable liquid. With high polarity, high boiling point, good thermal stability, aprotic, and water miscible characteristics, can dissolve in ethanol, propanol, benzene and chloroform and other most organic matter, known as the "universal solvent".
In the presence of acid heating will produce a small amount of methyl mercaptan, formaldehyde, dimethyl sulfur, mesylate and other compounds. Decomposition phenomenon at high temperature, chlorine can occur violent reaction, burning in the air emit light blue flame. It can be used as organic solvent, reaction medium and intermediate of organic synthesis. It can also be used as a dyeing solvent, dye removal agent, dyeing carrier and absorption agent for recovering acetylene and sulfur dioxide of synthetic fibers.
CERTIFICATE OF ANALYSIS
| Iteam | Pharmaceutical grade | Results |
| Appearance | Colorless transparent liquid | Colorless transparent liquid |
| Purity,% | ≥99.95 | 99.99% |
| Crystallization point, ºC | ≥18.30 | >18.30 |
| Acid value(KOH),mg/g | ≤ 0.01 | 0.006 |
| Transmittance, 400nm % | ≥98.0 | >99.0 |
| Refractive index(20ºC) | 1.4778 ~1.4790 | 1.4790 |
| Moisture, % | ≤ 0.05 | 0.01 |
| Reducing substance, ( as methanal )% |
≤0.10 | 0.005 |
| Color ( APHA ) | ≤10 | < 5 |
| Density, 25ºC, kg/m3 | ≥1.093 | 1.098 |
| PH | 6 ~ 8 | 6.9 |
| Na, ug/kg | ≤50 | < 1 |
| Fe, ug/kg | ≤50 | < 1 |
| Ca, ug/kg | ≤50 | < 1 |
| Conclusion | Qualified, Meet standard of Q/CZDL 01-2017 | |
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Dongying Yuchang Chemical Technology Co., Ltd was established in 2021 and is a professional company engaged in the sales and import and export of chemical products. The company's office is located in Yihe Building, Guangrao County, Shandong Province, and the production workshop is located in the Economic Development Zone of Guangrao County, Shandong Province.The company has more than 20 sales managers, all of whom have detailed product knowledge and excellent sales skills, and can perfectly serve every customerAfter long-term screening, the company has produced over 100 high-quality products and strictly controls the quality of the products, creating a perfect supply chain.
We sell high-quality chemical products that are widely used in multiple industries, including but not limited to the following areas:
1. Fine chemical industry: producing high-purity and high value-added chemicals.
2. Coatings and pigments: Provide various types of coatings and pigment products.
3. Plastics and rubber: Develop additives for manufacturing plastic and rubber products.
4. Petrochemical industry: involving petroleum processing and the production of related products.
5. Pharmaceutical and pesticide intermediates: the most basic raw materials for producing intermediates.
Since its establishment, the company has been highly favored by every customer. Through our unremitting efforts, our territory has continuously expanded, and the number of customers has rapidly increased. We can serve every customer and achieve customer satisfaction of 99%.
In terms of quality control, we strictly control international quality standards, establish a sound quality control system, and ensure stable product quality. We also pay attention to customer service, provide professional technical support and solutions to customers, respond to customer needs in a timely manner, and provide high-quality after-sales service. After our unremitting efforts, we have ranked among the top in the industry. We have achieved such results because we have always adhered to our service philosophy: "Not afraid of the test of time, quality is still guaranteed!" Taking quality as the foundation of our service, we strive to expand the market, establish a supply chain foundation, improve the service system, and make these as the core competitiveness of the company. We improve product quality and service concepts, establish the value of customers and society, and have been striving in the industry for so many years, winning the recognition of customers.
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