Delta(Sup2)-Dihydropyran-manufacture,factory,supplier from China

(Total 24 Products for Delta(Sup2)-Dihydropyran)
Products Description of Tetrahydropyran CAS#142-68-7Tetrahydropyran, also known as oxadiazine, is a six-membered oxygen-containing saturated heterocyclic ring. It is a colorless, flammable liquid at room temperature with a special smell. It is miscible in water, ethanol, ether, and other organic solvents. It generates explosive organic peroxides under light. It is prepared by hydrogenation of dihydropyran in the presence of Raney nickel or reaction of 5-dibromopentane and water in the presence of zinc oxide.
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Products Description of Hexafluorobisphenol A CAS#1478-61-1Bisphenol AF is also known as hexafluorobisphenol A, 2,2-bis(4-hydroxyphenyl)hexafluoropropane, 2,2-bis(4-hydroxyphenyl)hexafluoropropane, etc., referred to as BPAF. It is slightly soluble in carbon tetrachloride, hardly soluble in water, and easily soluble in organic solvents such as ethanol, acetone, ether, toluene and strong alkali solutions.
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Products Description of Vitamin B12 CAS#68-19-9Vitamin B12, referred to as VB12, also known as cobalamin, is one of the B vitamins. It is a type of cobalt-containing corrin-type complex organic compound. The trivalent cobalt contained is located in the center of the corrin ring plane similar to porphyrin. It is the largest and most complex vitamin molecule discovered so far, and it is also the only vitamin containing metal ions. Its crystal is red, so it is also called Chemicalbook red vitamin.Plants do not contain VB12 and cannot produce VB12.
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Products Description of Calcium hypochlorite CAS#7778-54-3The chemical formula of bleaching powder is CaCl2·Ca(ClO)2·2H2O. It is a white powdery substance. Its composition varies with the preparation conditions. It is generally a hydrated complex salt composed of calcium hypochlorite, calcium chloride and unreacted calcium hydroxide. Its active ingredient is calcium hypochlorite. Bleaching powder has strong oxidizing, corrosive and irritating properties. It can decompose when it comes into contact with water, ethanol or inorganic acid.
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Products Description of CALCIUM TITANATE CAS#12049-50-2Calcium titanate is an inorganic substance with the chemical formula CaTiO3. It belongs to the cubic crystal system and is a basic inorganic dielectric material with excellent dielectric, temperature, mechanical and optical properties.
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Products Description of Calcium carbonate CAS#471-34-1Calcium carbonate occurs in nature as limestone in various forms, such as marble, chalk, and coral. It is probably the most widely-used raw material in the chemical industry. It has numerous applications, primarily to produce cement, mortars, plasters, refractories, and glass as building materials. It also is used to produce quicklime, hydrated lime and a number of calcium compounds. It is produced either as powdered or precipitated calcium carbonate. The latter consists of finer particles of greater purity and more uniform size.
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Products Description of Polyisobutylene CAS#9003-27-4Calcium phosphate tribasic (C3161) is plant cell culture tested (0.2 mg/ml) and is appropriate for use in plant cell culture experiments. Calcium phosphate tribasic is utilized to engineer new biomaterials for applications such as bone grafts and fillers.    Si-substituted hydroxyapatite (Si-HAp) nanopowder can be incorporated in biodegradable polymer composites or deposited on biocompatible surfaces similar to pure HAp nanopowder (cat. no. 677418).
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Products Description of Dodecyltrimethylammonium chloride CAS#112-00-5This product has two specifications. When the effective content is 32% to 35%, the appearance is light yellow liquid. Solidification point -15℃. Relative density 0.981g/cm3. HLB value 17.1. Flash point (open cup) 60℃. When the effective content is 49% to 52%, the appearance is thick liquid. Solidification point -12~-9℃. Density 0.892g/cm3. HLB value 17.1. Flash point (open cup) <27℃. Surface tension (10% aqueous solution) 33×10-3N/cm. Both are miscible with water. Stable chemical properties.
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Products Description of Benzyltributylammonium chloride CAS#23616-79-7Benzyltributylammonium chloride is a chemical substance with the molecular formula C19H34ClNBenzyltributylammonium chloride Chemical PropertiesMelting point 155-163 °C (lit.)Boiling point 466.93°C (rough estimate)density 0.9523 (rough estimate)refractive index 1.6000 (estimate)storage temp. Sealed in dry,Room Temperatureform Crystalline Powdercolor White to ivoryWater Solubility solubleSensitive HygroscopicBRN 3776210Stability:Stable. Combustible.
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Products Description of Dodecyltrimethylammonium chloride CAS#112-00-5This product has two specifications. When the effective content is 32% to 35%, the appearance is light yellow liquid. Solidification point -15℃. Relative density 0.981g/cm3. HLB value 17.1. Flash point (open cup) 60℃. When the effective content is 49% to 52%, the appearance is thick liquid. Solidification point -12~-9℃. Density 0.892g/cm3. HLB value 17.1. Flash point (open cup) <27℃. Surface tension (10% aqueous solution) 33×10-3N/cm. Both are miscible with water. Stable chemical properties.
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1,4-Benzenedicarboxylic Acid, Compds. With Polyisobutenyl Succinic Anhydride-Tetraethylenepentamine Reaction Products CAS:68909-40-0Good dispersibility: It can be effectively dispersed in various solvents and matrices, which helps to improve the uniformity and stability of the product. Excellent thermal stability: It can maintain its stable performance at higher temperatures and is suitable for some high-temperature application scenarios.
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Products Description of LDAO CAS#1643-20-5This product is a colorless or light yellow transparent liquid with a relative density of 0.98 at 20°C. It is easily soluble in water and polar organic solvents, slightly soluble in non-polar organic solvents, and exhibits non-ionic or cationic properties in aqueous solutions. When the pH value is less than 7, it is cationic.
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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 Trimethoxymethane CAS#149-73-5Trimethyl orthoformate is used as a protecting group for aldehydes in organic synthesis, as an additive in polyurethane coatings, and as a dehydrating agent in the preparation of surface-modified colloidal silica nanoparticles. It is also used as a chemical intermediate in the preparation of vitamin B1 and sulfonamide drugs.
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Products Description of diisooctyl 2,2'-[(dioctylstannylene)bis(thio)]diacetateCAS#26401-97-8Mainly used in PVC products that come into contact with food and medicine, such as plates, sheets, films, etc., and can be used in processes such as calendering, blow molding, extrusion, injection, etc.diisooctyl 2,2'-[(dioctylstannylene)bis(thio)]diacetate Chemical Propertiesdensity 1.08[at 20℃]vapor pressure 0Pa at 25℃storage temp. Refrigerator, under inert atmospheresolubility Chloroform (Slightly), Ethyl Acetate (Slightly)form Oilcolor ColourlessWater Solu
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2-Methyl-1-propanol CAS#78-83-1Isobutanol, additionally recognised as isopropyl alcohol or 2-methyl propanol, is a colorless and flammable liquid. It is one of the most important components of clean tea leaves, black tea and inexperienced tea to produce the top notch aroma. The molecular weight of isobutanol is 74.12, with a boiling factor of 107.66 ℃, a relative density of 0.8016, a refractive index of 1.3959, and a flash factor of 37 ℃.
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Products Description of Methyl Tributyl Ammonium Chloride CAS#56375-79-2Methyltributylammonium chloride, also known as tributylmethylammonium chloride, has a molecular formula of C13H30ClN, a molecular weight of 235.84, and a CAS registration number of 56375-79-2.
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Products Description of 2-Amino-6-chlorobenzoic acid CAS#2148-56-32-Amino-6-chlorobenzoic acid is a reactive compound that can be used as an antimicrobial agent. It binds to the active site of enzymes and inhibits their function, thereby preventing bacterial growth. It has acidic properties, which may be due to its ability to act as a dehydrating agent to hydrolyze esters.
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Products Description of Phosphorous acidCAS#13598-36-2Colorless crystals. Easily soluble in water and alcohol.Phosphorous acid Chemical PropertiesMelting point 73 °CBoiling point 200 °Cdensity 1.651 g/mL at 25 °C(lit.)vapor pressure 0.001Pa at 20℃Fp 200°Cstorage temp. 0-6°Csolubility DMSO (Slightly), Methanol (Slightly), Water (Sparingly)form CrystalspkapK1 1.29; pK2 6.74(at 25℃)Specific Gravity1.651color WhiteWater Solubility SOLUBLESensitive Air Sensitive & HygroscopicMerck 14,7346Stability:Stable.
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Products Description of Atorvastatin intermediate M4 CAS#125971-96-2Used as an intermediate in atorvastatin series2-[2-(4-Fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxo-N-phenylpentanamide Chemical PropertiesMelting point 196-1980CBoiling point 631.4±55.0 °C(Predicted)density 1.211storage temp. Sealed in dry,2-8°Csolubility Chloroform (Slightly, Heated), DMSO (Slightly, Sonicated), Ethyl Acetate (Slightly)pka11.52±0.59(Predicted)form Solidcolor White to Off-WhitePH6.49 at 25℃ and 13.64g/LCAS DataBase Reference125971-96-2(CAS DataBase Reference) F
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Products Description of Pancreatin CAS#8049-47-6Pancreatin is a digestive aid, mainly containing trypsin, amylase and lipase. Trypsin can convert protein into peptone, amylase can convert starch into dextrin and sugar, and lipase can decompose fat into glycerol and fatty acids. It is more active under neutral or weakly alkaline conditions.
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Products Description of 4-Chlorobenzotrifluoride CAS#98-56-64-Chlorobenzotrifluorotoluene (4-chlorobenzotrifluorotoluene) is a colorless and transparent liquid with the smell of halogenated benzene.
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Products Description of Lead acetate trihydrate CAS#6080-56-4 Lead acetate trihydrate is colorless crystal, white granule or powder, which is deliquescent. It is easily soluble in water and has a sweet taste.
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Products Description of Saccharin CAS#81-07-2Pure saccharin is a non-toxic, non-caloric, non-nutritious sweetener that is not absorbed by the human body. Taking advantage of its sweet taste, it is used as a food additive to replace sugar. As a food additive, saccharin has no nutritional value to the human body except that it causes a sweet feeling in the taste buds and the sweetness of the taste can meet the requirements of consumers.
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Relate News
Glycerin: A Versatile Compound with Numerous ApplicationsGlycerin, also known as glycerol, is a simple polyol compound with a sweet taste and syrupy texture. It is widely used in various industries, including cosmetics, pharmaceuticals, and food. Due to its unique properties, such as being hygroscopic (attracting water) and non-toxic, glycerin has become an indispensable ingredient in many products.Glycerin in CosmeticsMoisturizer: Glycerin is one of the most effective humectants, drawing moisture from the air and into the skin.
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.
As early as 1780, the Swedish chemist Sheele discovered lactic acid from waste milk; the production of lactic acid by fermentation originated from the natural fermentation of Boutron and Fremy in 1941; the industrial production of lactic acid by pure fermentation was started by Charles E. Avery in 1881. began; and large-scale industrial production of L-lactic acid was formed in the early 1990s.
Acetic Acid: A Versatile Compound with Numerous ApplicationsAcetic acid, commonly known as ethanoic acid, is an organic compound with the chemical formula CH₃COOH. It’s a colorless liquid with a pungent smell and sour taste.
Latest Developments in Acetic Acid ProductionRecent advancements in the production of acetic acid highlight a significant shift towards more sustainable and innovative methods. Acetic acid, an essential organic compound, is increasingly produced through biotechnological processes and carbon dioxide (CO2) conversion, reflecting the industry's commitment to sustainability.Bioproduction Innovations: The biological production of acetic acid is gaining traction as a sustainable alternative. Techniques such as genetic engineering are being utilized to enhance yields and reduce production costs.
Groundbreaking Advancement in Phosphoric Acid Production TechnologyThe global phosphoric acid market is witnessing a significant transformation with the introduction of innovative production technologies that enhance efficiency and sustainability. According to a recent report by Grand View Research, the market size was valued at USD 41.26 billion in 2022 and is projected to grow at a CAGR of 4.2% from 2023 to 2040 .This growth is attributed to the increasing demand for phosphate fertilizers, which are crucial for the agricultural industry.
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.
For gemstones, amber is undoubtedly the most precious kind, and it is loved and sought after. However, the formation of amber takes a very long time. Therefore, it is not as simple as it looks on the surface. It also contains rich substances, which can be extracted and used in many aspects. It can also be made into various medicines with remarkable effect. It can be said that amber not only has a beautiful appearance, but also helps in medicine.Amber's Powerful Root - Succinic AcidSuccinic acid is a colorless crystal extracted from amber by scientists in the 15th century.
Tannic acid belongs to hydrolyzed tannins, which can be hydrolyzed to acid and glucose. It is one of the earliest studied tannins and has strong biological and pharmacological activities. Tannic acid is mainly rich in plants such as Chinese five seeds, Turkish seeds, tara pods, pomegranates, sumac leaves, sumac, and witch hazel trees.
What is Cornmint Oil?Cornmint oil is a colorless or light yellow clear liquid. It has a special refreshing fragrance, which is pungent at the beginning and cool afterwards. After long-term storage, the color becomes darker. It is often used to repel mosquitoes and relieve physical fatigue.Legend has it that the original name of mint comes from Greek mythology. Pluto Hades fell in love with the beautiful Elf Mansi, and Pluto’s wife Persephane was very jealous.
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