Poly tetrahydrofuran-manufacture,factory,supplier from China

(Total 24 Products for Poly tetrahydrofuran)
Products Description of Poly(tetrahydrofuran)CAS#25190-06-1Polytetrahydrofuran is a white waxy solid that is easily soluble in alcohols, esters, ketones, aromatic hydrocarbons and chlorinated hydrocarbons, but insoluble in aliphatic hydrocarbons and water.
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POLY(METHYLSTYRENE-CO-INDENE) CAS#69430-35-9It has good thermal stability and chemical stability, and is not prone to chemical reactions under normal conditions. However, under extreme conditions such as high temperature, strong acid, and strong alkali, its chemical structure may be affected to a certain extent.
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Products Description of Poly(dimethylsiloxane)CAS#9016-00-6Depending on the relative molecular mass, the appearance of polydimethylsiloxane ranges from colorless and transparent volatile liquid to extremely high viscosity liquid or silica gel. It has physiological inertness, good chemical stability, electrical insulation and weather resistance, a wide viscosity range, a low freezing point, a high flash point, good hydrophobicity, and high shear resistance. It can be used for a long time at a temperature of 50 to 180°C.
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Products Description of Poly(methylhydrosiloxane) CAS#63148-57-2Polymethylhydrogensiloxane is a silicone oil used in biology and chemistry. Under the action of metal salt catalysts, it can cross-link into a film at low temperature, forming a waterproof film on the surface of various materials.
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Products Description of Poly(L-lysine hydrobromide) CAS#25988-63-0Antioxidants, Chelating Agents, PreservativesPoly(L-lysine hydrobromide) Chemical Propertiesstorage temp. 2-8°Cform lyophilized powderStability:Stable. Incompatible with strong acids, strong bases. Safety InformationWGK Germany 3F 3-10Product Application of Poly(L-lysine hydrobromide) CAS#25988-63-0Only a trace amount of polylysine needs to be added to food to be effective, and it will not affect the taste of the food. It can be used as a natural preservative for food.
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Products Description of Poly(maleicanhydride-acrylicacidcopolymer) CAS#26677-99-6 Solvent polymerization: Copolymerization in benzene, toluene, xylene, trimethylbenzene, ethylbenzene, isopropylbenzene, butylbenzene or their mixtures can produce white, brittle solid polymers with a relative molecular mass of about 4000.
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Products Description of POLY(METHYLSILSESQUIOXANE) CAS#68554-70-1White powderPOLY(METHYLSILSESQUIOXANE) Chemical Propertiesdensity 1,08 g/cm3refractive index 1.42Fp >121°Csolubility Insoluble in water.form SolidSpecific Gravity1.08color Clear. White.EPA Substance Registry SystemSilsesquioxanes, Me (68554-70-1)Safety InformationRisk Statements 36/37/38Safety Statements 26-36/37/39TSCA YesFactory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of Poly(methyl methacrylate)CAS#9011-14-7Polymethyl Methacrylate (PMMA) is a high molecular polymer, also known as acrylic or organic glass. It has the advantages of high transparency, low price, and easy machining. It is a commonly used glass substitute material.On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference.
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Products Description of Poly(ethylene glycol) distearate CAS#9005-08-7This product is a white solid, soluble in isopropanol, glycerin, gasoline solvents, dispersed in water, melting point 35 ~ 37 ℃.Poly(ethylene glycol) distearate Chemical PropertiesMelting point 35-37 °CFp >230 °FOdorat 100.00?%.
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 Products Description of Poly(acrylic acid)CAS#9003-1-4Acrylic resin (MethylMethacrylateResin), commonly known as organic glass, is a polymer compound made from methyl methacrylate. Commonly used synthesis methods include anionic polymerization, solution polymerization, bulk polymerization, and suspension polymerization. In addition, the resin has excellent properties such as easy coloring, light weight, not easy to break, and good processing performance. Therefore, it is often used as a substitute for glass, optical lenses, lenses, etc.
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Products Description of Poly(vinyl alcohol)CAS#25213-24-5White powderPoly(vinyl alcohol) Chemical PropertiesMelting point >300 °CEPA Substance Registry SystemVinyl acetate vinyl alcohol polymer (25213-24-5)Safety InformationRisk Statements 23/24/25-36/38-39/23/24/25Safety Statements 26-36/37-45WGK Germany 1RTECS TR8100000 Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of POLY(ANTIMONY ETHYLENE GLYCOXIDE) CAS#29736-75-2White crystalline solid, non-toxic and odorless, decomposes in contact with moist air.POLY(ANTIMONY ETHYLENE GLYCOXIDE) Chemical PropertiesMelting point >100°C (dec.)Boiling point 267.3℃[at 101 325 Pa]density 1[at 20℃]Fp >110°CWater Solubility 400ng/L at 20℃Hydrolytic Sensitivity7: reacts slowly with moisture/waterEPA Substance Registry System2,5,7,10,11,14-Hexaoxa-1,6-distibabicyclo[4.4.4]tetradecane (29736-75-2) Safety InformationRisk Statements 20/21/22Safety Statements 
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Products Description of Poly(dipropyleneglycol)phenyl phosphite CAS#80584-86-7Colorless liquidFactory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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POLY(DIMETHYLAMINE-CO-EPICHLOROHYDRIN) Chemical Propertiesdensity 1.1 g/mL at 25 °Crefractive index n20/D 1.427CAS DataBase Reference25988-97-0EPA Substance Registry SystemMethanamine, N-methyl-, polymer with (chloromethyl)oxirane (25988-97-0)Safety InformationHazard Codes XiRisk Statements 38-41Safety Statements 23-26-36/37/39WGK Germany 3Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Poly(oxy-1,2-ethanediyl), .Alpha.-Hydro-.Omega.-Hydroxy-, Mono-C12-14-Alkyl Ethers, Phosphates CAS#68511-37-5The molecular structure contains polyoxyethylene segments, hydroxyl groups, C12-14 alkyl ether and phosphate groups. This unique structure enables it to have multiple properties. It has good surface activity, can reduce the surface tension of the liquid, and play the role of emulsification, dispersion and wetting at the interface.
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Products Description of Trimethyl borate CAS#121-43-7Moisture-sensitive liquid, fuming in the air. Melting point -29.3℃, boiling point 68-69℃, forms azeotropic mixture with methanol, azeotropic point 55℃, relative density (20/4) 0.920, refractive index (nD25) 1.3543 (1.3548). Very flammable, flash point -1℃. Miscible with ether, methanol, tetrahydrofuran, isopropylamine and hexane.
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Products Description of Poly(ethylene glycol) dimethacrylateCAS#25852-47-5 Used in food, medical and health gel materials, etc.Poly(ethylene glycol) dimethacrylate Chemical PropertiesBoiling point >200 °C2 mm Hg(lit.)density 1.11 g/mL at 25 °Crefractive index n20/D 1.467Fp >230 °Fstorage temp. 2-8°Csolubility H2O: solubleform Granular Solidcolor White to off-whiteWater Solubility Soluble in water.Sensitive Moisture & Light SensitiveStability:Stable.
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POLY(ETHYLENE GLYCOL) METHYL ETHER ACRYLATE Chemical PropertiesMelting point 6-7 °C(lit.)density 1.09 g/mL at 25 °C(lit.)Fp >230 °Fstorage temp. -20°Cform Granular Solidcolor White to off-whiteWater Solubility Soluble in waterEPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-methoxy- (32171-39-4)Safety InformationHazard Codes TRisk Statements 45-46Safety Statements 53-36/37/39-24/25-22-45WGK Germany 3TSCA YesHS Code 39072090Factory and Equipment ShowFast delivery
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Products Description of 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene CAS#7128-64-5This product is yellow-green powder. Melting point 200-201℃, decomposition temperature greater than 220℃. Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and common organic solvents. Solubility/(g/100ml): methanol 0.05; acetone 0Chemicalbook.5; toluene 5.3; carbon tetrachloride 5.9; tetrahydrofuran 5.5; DMF 0.8; chlorobenzene 10.2; cyclohexane 3.3; xylene 5.5; dioctyl phthalate 0.7; water 0.01.
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Methyl Methacrylate  CAS#80-62-6Methyl methacrylate is an natural compound with the system CH2=C(CH3)COOCH3. This colourless liquid, the methyl ester of methacrylic acid (MAA) is a monomer produced on a giant scale for the manufacturing of poly(methyl methacrylate) (PMMA).Methyl methacrylate is a methyl ester of methacrylic acid. It is a colourless, risky liquid with an acrid fruity odour.
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Products Description of 2,2-Dimethylthiazolidine CAS#19351-18-92,2-Dimethylthiazolidine, an organic chemical substance, molecular formula: C5H11NS.2,2-Dimethylthiazolidine Chemical PropertiesBoiling point 61 °C / 15mmHgdensity 1,02 g/cm3vapor pressure 2.01hPa at 25℃refractive index 1.5100-1.5140Fp 55°Cstorage temp. 2-8°C(protect from light)pka8.97±0.40(Predicted)form clear liquidcolor Colorless to Light orange to YellowInChIInChI=1S/C5H11NS/c1-5(2)6-3-4-7-5/h6H,3-4H2,1-2H3InChIKeySNPQRYOQWLOTFA-UHFFFAOYSA-NSMILESS1CCNC1(C)CLogP1.38CAS DataBase Refer
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Products Description of Salicylaldehyde CAS#90-02-8Salicylaldehyde is a light yellow oily clear liquid with a melting point of -7°C and a boiling point of 197°C. It has a burning and almond smell.
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Products Description of 4-Amino-2-chloropyridineCAS#14432-12-3This product is white crystals, m.p.89~91℃, insoluble in water.4-Amino-2-chloropyridine Chemical PropertiesMelting point 90-94 °C(lit.)Boiling point 153°C 5mmdensity 1.2417 (rough estimate)refractive index 1.5110 (estimate)Fp 153°C/5mmstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility DMSO (Slightly), Methanol (Slightly)pka4.73±0.30(Predicted)form Crystalline Powdercolor Light yellowWater Solubility Slightly soluble in water.BRN 108671InChIKeyBLB
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Products Description of 2-(4-FLUORO-PHENYL)-PIPERAZINE CAS#65709-33-32-(4-Fluorophenyl)-piperazine is a common pharmaceutical intermediate.2-(4-FLUORO-PHENYL)-PIPERAZINE CAS#65709-33-3 Chemical PropertiesMelting point 111-114°CBoiling point 287.2±35.0 °C(Predicted)density 1.079±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility DMF: 30 mg/ml; DMF:PBS(pH7.2) (1:2): 0.33 mg/ml; DMSO: 30 mg/ml; Ethanol: 30 mg/mlform A crystalline solidpka8.76±0.40(Predicted)Safety Information HS Code 2933599590Product Application of 2-(4-FLUORO-PHENYL)-PIPERA
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Relate News
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
Dimethyl Disulfide (DMDS) Industry Sees Growing Demand Amidst Industrial Expansion[City, State] – [Date] – The global dimethyl disulfide (DMDS) market is experiencing significant growth, driven by the increasing demand from various industries.
Recent News Summary on AntioxidantsHealth and Disease Mechanisms: A comprehensive understanding of the mechanisms of antioxidant action in health and disease has been discussed in a recent study, highlighting the role of oxidative stress in various human diseases and the potential of antioxidants as therapeutic agents .Advances in Antioxidant Research: Recent developments in the field of antioxidants have focused on the structure and antioxidant properties of various compounds.
Camphor oil is one of the coloring oils used in glaze colors. Made from camphor resin. Light yellow, volatile, with a strong camphor smell. “Ceramic Color Painting”: “Use it to expand the color when painting new colors, it is easy to develop the oil, the brush is loose, and it dries quickly after painting. Pastel is rarely used, only used for freehand color expansion. Sometimes It is also used to develop dry pens, or to wipe off the residue that has consolidated in the dish, or to wipe off the dried waste line on the screen.
Evening primrose (Eveningprimrose) is a willow leaf vegetable native to North America. It gets its name because its flowers only bloom at night. Its roots, stems and leaves are often used as medicine by European nobles, so it is also known as the emperor’s panacea.Modern research has found that evening primrose oil extracted from evening primrose seeds is rich in GLA (gamma-linolenic acid). GLA is an unsaturated fatty acid, which is an important component of human cell membranes.
Introduction of Capsaicin PepperThe spicy ingredients contained in pepper fruit are capsaicin pepperoids, including: capsaicin pepper, dihydrocapsaicin pepper, nordihydrocapsaicin pepper, homocapsaicin pepper, homodihydrocapsaicin pepper I, homodihydrocapsaicin pepper II, Nonoyl vanillylamide, Decoyl vanillylamide, Capryl vanillylamide. Capsanthin includes Cryptoxanthin, Capsanthin, Capsorubin, Carotene; also contains vitamin C, citric acid, tartaric acid, malic acid, protein, minerals, etc. .
lycopene: dark red powder, has the unique smell and taste of lycopene.Lycopene (CAS No.: 502-65-8), dark red powder, has the unique smell and taste of lycopene. The lycopene produced by microbial fermentation mainly uses fermented substrates such as corn steep liquor, soybean meal and starch as the medium, and uses Blake Sleatrispora as the strain. After fermentation, filtration, drying, extraction, crystallization and Manufactured by refining and other processes.The main functions of lycopene are as follows:1. Anti-oxidation, delay aging;2. Improve the body’s immunity;3.
The Benefits of Glucose to the Human Body|In fact, many people are familiar with glucose. This is a very helpful nutrient to the human body. It can effectively enhance the body’s immunity, improve the ability to resist viruses, maintain the balance of intestinal flora, and effectively delay skin aging. To achieve the effect of lowering cholesterol, but if excessive intake can also lead to increased blood sugar.Glucose is a kind of monosaccharide that widely exists in nature. There are many functions and functions of glucose.
Introduction2-ethyl-3-hydroxy-6-methylpyridine, also known as 2-ethyl-6-methyl-3-pyridinol, is a chemical compound with the molecular formula C8H11NO. Its CAS number is 2364-75-2. This compound is widely used in the chemical industry as a building block for the synthesis of various chemicals. In this article, we will discuss the properties, uses, and synthesis of 2-ethyl-3-hydroxy-6-methylpyridine.Properties2-ethyl-3-hydroxy-6-methylpyridine is a white to off-white crystalline powder with a melting point of 88-92°C. It is soluble in water, ethanol, and other organic solvents.
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