Product name:Selenium
CAS: 7782-49-2
Molecular Formula: Se
Molecular Weight: 78.96
Product description:Melting point: 217 ℃. Boiling point: 684.9 + / - 1.0) ℃; Relative density: 4.81; Soluble in sulfuric acid, chloroform, slightly soluble in carbon disulfide, insoluble in water, ethanol. Powder or granule, pure appearance, color is consistent, without impurities such as dirt, composition is stable, water evenly.Mainly for the production of selenium dioxide used as catalyst for the electrolytic manganese smelting is frozen, the other for rectifier, photographic exposure dose, oil work catalyst, copy drums, selenium plate, alloy, feed and plastic, paint, enamel and glass in the paint, medical and health care drugs, etc.
2017年6月2日星期五
Selenium Sulfide
Product name:Selenium Sulfide
CAS: 7488-56-4
Molecular Formula: S2Se
Molecular Weight: 143.09
Product description:Seborrheic resistance, fight dandruff, antibacterial and antifungal and keratin solution. This product can be combined with peroxidase - cystine, restrain skin grease in the unsaturated fatty acid and peroxide, reduce fatty acids content in sebum. Can inhibit the growth of scalp epidermal cells at the same time, the inhibition of fission resulting in a decrease of skin cell turnover. This product is for tinea capitis have broken hair versicolor bacterium kill spores of the pathogen.
CAS: 7488-56-4
Molecular Formula: S2Se
Molecular Weight: 143.09
Product description:Seborrheic resistance, fight dandruff, antibacterial and antifungal and keratin solution. This product can be combined with peroxidase - cystine, restrain skin grease in the unsaturated fatty acid and peroxide, reduce fatty acids content in sebum. Can inhibit the growth of scalp epidermal cells at the same time, the inhibition of fission resulting in a decrease of skin cell turnover. This product is for tinea capitis have broken hair versicolor bacterium kill spores of the pathogen.
Selenium for sale
Product name:Selenium
CAS: 7782-49-2
Molecular Formula: Se
Molecular Weight: 78.96
Product Description: Melting point: 217 ℃. Boiling point: 684.9 + / - 1.0) ℃; Relative density: 4.81; Soluble in sulfuric acid, chloroform, slightly soluble in carbon disulfide, insoluble in water, ethanol. Powder or granule, pure appearance, color is consistent, without impurities such as dirt, the composition is stable, water evenly.Mainly for the production of selenium dioxide used as catalyst for the electrolytic manganese smelting is frozen, the other for rectifier, photographic exposure dose, oil work catalyst, copy drums, selenium plate, alloy, feed and plastic, paint, enamel, and glass in the paint, medical and health care drugs, etc.
CAS: 7782-49-2
Molecular Formula: Se
Molecular Weight: 78.96
Product Description: Melting point: 217 ℃. Boiling point: 684.9 + / - 1.0) ℃; Relative density: 4.81; Soluble in sulfuric acid, chloroform, slightly soluble in carbon disulfide, insoluble in water, ethanol. Powder or granule, pure appearance, color is consistent, without impurities such as dirt, the composition is stable, water evenly.Mainly for the production of selenium dioxide used as catalyst for the electrolytic manganese smelting is frozen, the other for rectifier, photographic exposure dose, oil work catalyst, copy drums, selenium plate, alloy, feed and plastic, paint, enamel, and glass in the paint, medical and health care drugs, etc.
2,2'-Dipyridyl price
Product name:2,2'-Dipyridyl
CAS: 366-18-7
Molecular Formula: C10H8N2
Molecular Weight: 156.1839
Product description:White to pale red crystalline powder. The melting temperature of 69.5 ℃, boiling point 69.5 ℃. Soluble in ethanol, ethyl ether, benzene, chloroform and petroleum ether, 1 200 about soluble in water.1. The goods as the analytical reagent, used for ferrous verification, molybdenum, silver, cadmium, REDOX indicator. 2. Used for spectrophotometric determination of iron, silver, cadmium and molybdenum metal elements such as chromogenic agent. And the complexes of Fe2 + REDOX indicator. Al pyridine - iron complex cation can be used as precipitating agent of some anions and extraction agent.
CAS: 366-18-7
Molecular Formula: C10H8N2
Molecular Weight: 156.1839
Product description:White to pale red crystalline powder. The melting temperature of 69.5 ℃, boiling point 69.5 ℃. Soluble in ethanol, ethyl ether, benzene, chloroform and petroleum ether, 1 200 about soluble in water.1. The goods as the analytical reagent, used for ferrous verification, molybdenum, silver, cadmium, REDOX indicator. 2. Used for spectrophotometric determination of iron, silver, cadmium and molybdenum metal elements such as chromogenic agent. And the complexes of Fe2 + REDOX indicator. Al pyridine - iron complex cation can be used as precipitating agent of some anions and extraction agent.
1,10-Phenanthroline
Product name:1,10-Phenanthroline
CAS: 66-71-7
Molecular Formula: C12H8N2·H2O
Molecular Weight: 198.22
Product description:Light yellow powder, absorbing water after the formation of crystal water color deepened, slightly soluble in water to form a pale yellow to yellow solution. When water recrystallization, containing a molecular crystal water. 91.5 ℃ melting point (102 ℃). Benzene, recrystallization, excluding water of crystallization, melting point of 98 ~ 100 ℃ (117 ℃). Above the boiling point of 360 ℃. Soluble in ethanol, benzene, acetone, insoluble in petroleum ether. And iron, copper, cobalt, nickel and 2, 2 '- pyridine to form complexes, and Fe2 + form red complexes, using potassium permanganate oxidation to 2, 2' - 2 pyridyl - 3, 3 'dicarboxylic acid. Can be used for quantitative colorimetric reagent of copper, iron, and can be used as the use of cerium sulfate titration indicator of iron salts; Also can be used for dye of animal fiber.
CAS: 66-71-7
Molecular Formula: C12H8N2·H2O
Molecular Weight: 198.22
Product description:Light yellow powder, absorbing water after the formation of crystal water color deepened, slightly soluble in water to form a pale yellow to yellow solution. When water recrystallization, containing a molecular crystal water. 91.5 ℃ melting point (102 ℃). Benzene, recrystallization, excluding water of crystallization, melting point of 98 ~ 100 ℃ (117 ℃). Above the boiling point of 360 ℃. Soluble in ethanol, benzene, acetone, insoluble in petroleum ether. And iron, copper, cobalt, nickel and 2, 2 '- pyridine to form complexes, and Fe2 + form red complexes, using potassium permanganate oxidation to 2, 2' - 2 pyridyl - 3, 3 'dicarboxylic acid. Can be used for quantitative colorimetric reagent of copper, iron, and can be used as the use of cerium sulfate titration indicator of iron salts; Also can be used for dye of animal fiber.
Loxoprofen price
Product name:Loxoprofen
CAS: 68767-14-6
Molecular Formula: C15H18O3
Molecular Weight: 246.3
Product description:This product is a nonsteroidal anti-inflammatory analgesic, has significant analgesic, anti-inflammatory and antipyretic effect, especially strong analgesic action. This product is a prodrug, after gastrointestinal absorption into the active metabolite and play a role. The following diseases and symptoms of anti-inflammatory and analgesic, rheumatoid arthritis, osteoarthritis, waist painful disease, around the shoulder joint inflammation, neck shoulder and wrist syndrome. After surgery, trauma, and the analgesic and anti-inflammatory after tooth extraction. The following disorders antipyretic and analgesic: acute upper respiratory tract infection (including acute upper respiratory tract infection with acute bronchitis).
CAS: 68767-14-6
Molecular Formula: C15H18O3
Molecular Weight: 246.3
Product description:This product is a nonsteroidal anti-inflammatory analgesic, has significant analgesic, anti-inflammatory and antipyretic effect, especially strong analgesic action. This product is a prodrug, after gastrointestinal absorption into the active metabolite and play a role. The following diseases and symptoms of anti-inflammatory and analgesic, rheumatoid arthritis, osteoarthritis, waist painful disease, around the shoulder joint inflammation, neck shoulder and wrist syndrome. After surgery, trauma, and the analgesic and anti-inflammatory after tooth extraction. The following disorders antipyretic and analgesic: acute upper respiratory tract infection (including acute upper respiratory tract infection with acute bronchitis).
4-Nitrobenzyl bromide
Product name:4-Nitrobenzyl bromide
CAS: 100-11-8
Molecular Formula: C7H6BrNO2
Molecular Weight: 216.032
Product description:Colorless or light yellow acicular crystal, a tear.Insoluble in water, soluble in ethanol, ether and most organic solvents.Organic synthesis intermediates, pesticides on used in synthesis of pesticides fluorine cyclic urea, also as a medicine, dye intermediates, general reagents and organic analytical reagent.
CAS: 100-11-8
Molecular Formula: C7H6BrNO2
Molecular Weight: 216.032
Product description:Colorless or light yellow acicular crystal, a tear.Insoluble in water, soluble in ethanol, ether and most organic solvents.Organic synthesis intermediates, pesticides on used in synthesis of pesticides fluorine cyclic urea, also as a medicine, dye intermediates, general reagents and organic analytical reagent.
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