Product name Levofloxacin carboxylic acid Chemical name 9, 10-difluoro-2, 3-dihydro-3-methyl-7-oxo-(3s)-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxylic acid Product brief introduction This product is a main raw material of synthesis of levofloxacin series drug. Molecular structure Molecular formula C13h9f2no4 Molecular weight 281.21 Cas-no. 100986-89-8 Product specification Appearanceú¦ white or off-white powder Assayú¦ í²99% Single impurityú¦ ín0.5% Loss on dryingú¦ ín0.5% Residue on ignitionú¦ ín0.5% Specific rotation: -70.0o~-78.0o Dextral isomer: ín0.2% 25kg/drum
í+product nameí+ Levofloxacin acid ester Chemical name Ethyl (s)-9, 10-difluoro-3-methyl-7-oxo-2, 3-dihydro-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxylate Product brief introduction This product is a main raw material of synthesis of levofloxacin drug. Molecular structure Molecular formula C15h13f2no4 Molecular weight 309.26 Cas-no. 106939-34-8 Product specification Appearanceú¦ white or off-white powder Assayú¦ í²99% (hplc) Loss on dryingú¦ ín0.5% Residue on ignitionú¦ ín0.5% Single impurity: ín0.5% Specific rotation: ín-68.0o~ -72.0o Dextral isomer ín0.2% 25kg/drum.
Product name Oxygen fluorine acid Chemical name 9, 10-difluoro-2, 3-dihydro-3-methyl-7-oxo-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxyllic acid Product brief introduction This product is a main raw material of synthesis of ofloxacin series drug. Molecular structure Molecule formula C13h9f2no4 Molecular weight 281.21 Cas-no. 82419-35-0 Product specification Appearanceú¦white or off-white powder Assayú¦ í²98% Loss on dryingú¦ ín0.5% Residue on ignition ín0.5% 25kg/drum
Material: high carbon spring steel, spring steel, stainless steel, alloy steel Compression Spring, Extension Spring : Wire Diameter: 0.2-40.0mm Torsion spring wire diameter :0.2-35mm Surface Finish: black , Zinc, Nickel, silver, golden, tin, powder coating, shot pin Applications: Automotive, medical device, agricultural machinery ,electronics, toy, electric power distribution. Extension spring hook include Germany hook, British hook, Side hook We can customize special design of springs based on your requirement.
We can supply Acetic Acid Industrial Grade and Food Grade. Commodity:Acetic acid. Other name: Glacial acetic acid Molecular formula CH3COOH CAS:64-19-7 EC No.200-580-7 Introduction: Annual capacity of our glacial acetic acid is 350,000.the raw material is methanol.we use a new technical process to produce: Methanol decomposition. the most important characteristic of this way are as following: mild oder; high quality--can reach 99.99%min; low cost--30% lower than oil decomposition and ethanol decomposition way. Specifications: Apha color:
Product Name Citric acid monohydrate Product Charactersï White Crystalline Powders, Colorless Crystals or Granules Executive Standards BP/USP/FCC/E330/GB1886.235-2016 Packaging plastic woven bag, 25kg net composite paper-plastic bags or 3-ply kraft paper bags with PE liner, 500kg or 1000kg net PP woven Jumbo bags Storage Kept in a light-proof, well-closed, dry and cool place Main Usage Citric Acid is mainly used as acidulant, flavoring agent, preservative and antistaling agent in food and beverage industry.it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries.
Polyglycerol Esters of Fatty Acids, E475, CAS No.67784-82-1, food emulsifier, a group of esters manufactured through chemical synthesis from Glycerol and various fatty acids, used as an emulsifier in bakery products. The HLB value is 1-16. It is widely used in the manufacturing of ice cream, bread,cake, biscuits, chocolates, and meat products. As an experienced Polyglycerol Esters of Fatty Acids manufacturer and supplier, we has been supplying and exporting Polyglycerol Esters of Fatty Acids for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Polyglycerol Esters of Fatty Acids Specification ITEM STANDARD Appearance Cream to Ligh Yellow Powder or Beads Acid Value mg KOH/g 5.0 Saponification Value mg KOH/g 120-135 Iodine Value (gI /100g) 3.0 Melting Point 53-58 Arsenic mg/kg 3 Heavy metals( as pb) mg/kg 10 Lead mg/kg 2 Mercury mg/kg 1 Cadmium mg/kg 1
4-Hydroxybenzoic acid Chemical Name:4-Hydroxybenzoic acid Trade Name:p-oxybenzoic acid Molecular Formula:C7H6O3 Molecular Weight:138.12 CAS No.:99-96-7 Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone, slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46 Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate Specification Item Specification Polymer Grade Technical Grade Appearance white crystal powder white crystal powder Purity(on dry base) % 99.6 99.0 Melting Point 214-217 212-216 Odor odorless odorless Solubility Clear and transparent clear and transparent Loss on Drying % 0.20 0.50 Color(Pt-Co) 10 40 Ash % 0.02 0.15 Sulfate(SO42-) 0.01 0.05 Chloride(Cl-) % 0.005 0.02 Phe% 0.01 0.10 Salicylic Acid % 0.02 0.10 4-Hydroxyisophthalic Acid(HIPA) ppm 500 / Insolubles in Metha ppm 50 / Potassium(K+) ppm 5 / Sodium (Na+) ppm 5 / Iron (Fe) ppm 5 / Ca2++Mg2+ppm 5 /
Trichloroisocyanuric acid (TCCA) 90% Min intro: 1. Molecular formula: C3N3O3C13 Molecular Weight: 232.44 CAS: 87-90-1 HS NO:29336922 UN NO:2468 2. Structural formula: 3. Uses: 1) water treatment: it can be used to disinfect drink water and water in swimming pool, algae-removing in circulating water. 2) Disinfection: It can be used in disinfecting dinner, food, and dishes, or used in the prophylactic disinfection of home, hotel and public place; hygiene and disease control of hospital; or used in the disinfection of silk worm, animals, birds and fish 3) Other: It can be used in anti-shrinkage finishing of wool, textile bleaching, antimoth of paper and chlorinated agent of rubber. 4. Technical Index: Appearance: white powder/granular Available chlorine: 90%Min PH (1% Aq. Solution): 2.7-3.3 Moisture: 0.5% Max Granular Size: 8-30mesh or 20-60mesh Package: 25kg/50kg plastic drum, 50kg fiber drum. 5. Product: According to the requirements of production from customers.
