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 Tetrabutylammonium Bromide CAS#1643-19-2 Tetrabutylammonium bromide is a common chemical product on the market.
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Products Description of Diethyl Ethoxymethylenemalonate CAS#87-13-8Ethoxymethylene, also known as diethyl ethoxymethylenemalonate, is a colorless, transparent and viscous liquid. It is an important pharmaceutical intermediate and is widely used in the synthesis of medicines, pesticides and auxiliaries.
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Products Description of Ethyl 2-ethylacetoacetate CAS#607-97-6Used as an intermediate of the drug rebapidEthyl 2-ethylacetoacetate Chemical PropertiesMelting point 170 °C (decomp)Boiling point 87-189 °C/743 mmHg (lit.)density 0.981 g/mL at 25 °C (lit.)refractive index n20/D 1.421(lit.)Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform (Slightly), Methanol (Slightly)pka12.02±0.46(Predicted)form Liquidcolor Colorless to pale yellowOdorat 100.00 %.
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Products Description of Ethylene dimethacrylate CAS#97-90-5Ethylene glycol dimethacrylate is a diester, meaning there are two alcohol/acid combinations in one organic compound or monomer. Industries often combine this substance with other chemicals to make plastics or rubber.
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Products Description of Hydroxypropyl-beta-cyclodextrin CAS#94035-02-6This product is a white or off-white amorphous or crystalline powder; odorless, slightly sweet taste; strong hygroscopicity.
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Products Description of Glycerol triglycidyl ether CAS#13236-02-7Glycidyl ethers include allyloxyepoxypropane, diglycidyl ether, isopropyl glycidyl ether, butoxye-popropane, diglyeidyl ether (EP-562) and epoxphenoxypropane, etc. They are a group of substances with similar chemical properties and toxic effects. They are colorless liquids with some pungent odors. They have low acute toxicity when in contact with the mouth and skin, and moderate toxicity when in contact with the respiratory tract. They mainly act on the nervous system.
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Products Description of Crospovidone CAS#25249-54-1Cross-linked polyvinyl pyrrolidone (PVPP) is a cross-linked polymer that is insoluble in water, strong acids, strong bases and general organic solvents and is polymerized under specific conditions by vinyl pyrrolidone monomers.
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Products Description of Diethyl Malonate 99.5% CAS#105-53-3Malonic acid and its derivatives are widely used in pharmaceuticals, spices, food additives, polyester and other industries, and are important fine chemical raw materials and intermediates.
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Products Description of 2,5-Dimethoxybenzaldehyde CAS#93-02-72,5-Dimethoxybenzaldehyde is a colorless crystal produced by methylation reaction with dimethyl sulfate in an alkali aqueous solution.2,5-Dimethoxybenzaldehyde Chemical PropertiesMelting point 46-48 °C (lit.)Boiling point 146 °C/10 mmHg (lit.)density 1.1708 (rough estimate)refractive index 1.5260 (estimate)Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility 795mg/lform Crystalline Powder, Crystals and/or Chunkscolor Yellow to beigeWater Solubili
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Products Description of CALCIUM SACCHARIN CAS#6485-34-3CALCIUM SACCHARIN is a white crystal or white crystalline powder with no or slight fragrance. It has a very strong sweet taste, and the sweetness of its dilute solution is about 500 times that of sucrose. Saccharin calcium can be dissolved in 1.5 ml of water and ethanol.CALCIUM SACCHARIN Chemical PropertiesOdorat 100.00?%.
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Products Description of Tetrabutylammonium iodide CAS#311-28-4Tetrabutylammonium iodide (TBAI) is a commonly used phase transfer catalyst that can increase the reaction rate or effectively promote a variety of chemical reactions. This reagent can be used as an iodine source to generate the iodide required for the reaction in situ, avoiding the use of some unstable and expensive iodides.
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Methylammonium bromide CAS#6876-37-5Methylammonium bromide Chemical PropertiesMelting point 248.0 to 253.0 °CWater Solubility Soluble in waterform powdercolor White to Almost whiteInChIInChI=1S/CH5N.BrH/c1-2;/h2H2,1H3;1HInChIKeyISWNAMNOYHCTSB-UHFFFAOYSA-NSMILES[NH3+]C.[Br-]Safety InformationHazard Codes XnRisk Statements 22-36/37/38Safety Statements 26-36/37/39-46WGK Germany 3HS Code 29239000Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of Tetrabutylammonium Iodide COA#311-28-4Tetrabutylammonium iodide (TBAI) is a commonly used phase transfer catalyst that can increase the reaction rate or effectively promote a variety of chemical reactions. This reagent can be used as an iodine source to generate the iodide required for the reaction in situ, avoiding the use of some unstable and expensive iodides.
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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 L-Arginine-L-Aspartate CAS#7675-83-4L-Arginine L-aspartate Chemical PropertiesMelting point 220-221 °Cstorage temp. 2-8°Csolubility Very soluble in water, practically insoluble in alcohol and in methylene chloride.color White to Off-WhiteStability:HygroscopicLogP-1.287 (est)CAS DataBase Reference7675-83-4(CAS DataBase Reference)EPA Substance Registry SystemArginine aspartate (7675-83-4)Product Application of L-Arginine-L-Aspartate CAS#7675-83-4Used as cosmetic amino acid nutrient, amino acid nutrient food additive, etc.
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Products Description of 4-Chloroquinoline CAS#611-35-84-Chloroquinoline is a key intermediate commonly used in the synthesis of quinoline derivatives with important biological activities.
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Products Description of 4-Methylbenzenesulfonhydrazide CAS#1576-35-8p-Toluenesulfonylhydrazine, also known as 4-methylbenzenesulfonylhydrazine, is a white crystalline powder, easily soluble in alkali, soluble in methanol, ethanol and butanone, slightly soluble in water and aldehydes, and insoluble in benzene and toluene. It is used as a foaming agent for natural rubber, synthetic rubber and a variety of plastics, making plastics and rubber products have fine closed-cell structures, small shrinkage and high tear strength.
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Products Description of Tetrahydrothiopyran-4-one CAS#1072-72-6Tetrahydrothiopyran-4-one (4H-Thiopyran-4-one,tetrahydro-), the molecular formula is C5H8OS.Tetrahydrothiopyran-4-one Chemical PropertiesMelting point 60-64 °C (lit.)Boiling point 140.82°C (estimate)density 1.050 (estimate)refractive index 1.5100 (estimate)storage temp. Inert atmosphere,Room Temperaturesolubility Acetonitrile (Slightly), Chloroform (Slightly)form Crystalline Solidcolor White to pale yellowBRN 106464InChIKeyOVRJVKCZJCNSOW-UHFFFAOYSA-NLogP0.490 (est)CAS DataBase Refer
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Products Description of Sulfanilic acid CAS#121-57-3White or off-white crystal. Hydrates lose water at 100°C, and anhydrous substances begin to decompose and carbonize at 280°C. Relative density 1.485 (25/4).
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Products Description of Methyl tetrahydropyran-4-carboxylate CAS#110238-91-0Tetrahydropyran-4-carboxylic acid methyl ester is a clear liquidMethyl tetrahydropyran-4-carboxylate Chemical PropertiesMelting point -33°CBoiling point 197°Cdensity 1.080 g/mL at 20 °C(lit.)Fp 86°Cstorage temp. Sealed in dry,Room Temperatureform liquidcolor ClearBRN 114974InChIKeyCNCMVGXVKBJYNU-UHFFFAOYSA-NCAS DataBase Reference110238-91-0(CAS DataBase Reference)Safety InformationHazard Codes XiRisk Statements 36-36/37/38Safety Statements 26-37
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Products Description of [1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID CAS#202065-25-6[1,2,4]Triazolo[1,5-a]pyrimidine-2-carboxylic acid is a chemical.Molecular Formula is C6H4N4O2.[1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID Chemical Propertiesdensity 1.79±0.1 g/cm3(Predicted)form powderpka-4.67±0.41(Predicted)color CreamSafety InformationHazard Codes XiRisk Statements 43Safety Statements 36/37HazardClass IRRITANTHS Code 2933998090Product Application of [1,2,4]TRIAZOLO[1,5-A]PYRIMIDINE-2-CARBOXYLIC ACID CAS#202065-25-6[1,2,4]Triazolo
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Products Description of ISOQUINOLINE-3-CARBOXYLIC ACID CAS#203626-75-9 Isoquinoline-3-carboxylic acid, monohydrate is an organic compound.Isoquinoline-3-carboxylic acid Chemical PropertiesMelting point 166-168 °C(lit.)storage temp. 2-8°Cform powder to crystalcolor White to Light yellow to Light orangeSafety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-37/39WGK Germany 3Product Application of Isoquinoline-3-carboxylic acidIsoquinoline-3-carboxylic acid, monohydrate is often used as an intermediate.Factory
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Products Description of Isoquinoline-3-carboxylic acid CAS#6624-49-3Isoquinoline-3-carboxylic acid is a derivative, crystalline solid.Isoquinoline-3-carboxylic acid Chemical PropertiesMelting point 166-167°CBoiling point 366.4±17.0 °C(Predicted)density 1.339±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility DMF: 20 mg/ml; DMF:PBS(pH 7.2)(1:1): 0.5 mg/ml; DMSO: 20 mg/ml; Ethanol: 5 mg/mlform A crystalline solidpka1.20±0.30(Predicted)CAS DataBase Reference6624-49-3(CAS DataBase Reference)Safety InformationHazard Codes XiRisk Statements 36/37/38-36Saf
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Relate News
Breaking News: Glycerin Market Projected to Reach US$ 3.2 Billion by 2032The global glycerin market is experiencing significant growth, with IMARC Group's recent report predicting the market to reach US$ 3.2 Billion by 2032, exhibiting a CAGR of 4.9% during 2024-2032 .
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.
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.
Dimethyl disulfide (DMDS, CAS# 624-92-0) has recently witnessed a remarkable increase in market demand and continuous progress in related research.Soaring Market Demand   DMDS is extensively utilized in multiple fields, which is a crucial factor contributing to its rapidly growing market demand.In the agricultural sector, it serves as an effective and eco-friendly soil fumigant, playing a vital role in nematode control.
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.
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.
Table of Funny Chemistry StoriesOld new sealPure blue ink and blue-black inkFind a "coat" for the bookBallpoint pen or ballpoint penFour Color Ball StampsThe "natural enemy" of glassThe "Haunted" StoryNational football - our prideFlash in the darkReferenceSodium Propionate CAS 137-40-6Old new sealThere is a batch of ancient paintings that have become grayish yellow and dull, but the seals on them are bright red, like new ones.
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.
In terms of market conditions, the price trend and supply - demand relationship of ammonium sulfate have always attracted much attention. Since the beginning of this year, the ammonium sulfate market has been affected by a combination of various factors. During the spring ploughing and fertilization preparation period, the overall demand in the fertilizer market has fluctuated, and ammonium sulfate, as a type of nitrogen fertilizer, has also been implicated. Domestically, its price has experienced ups and downs.
CAS# 618107-90-7 IntroductionThe compound 2-amino-5-iodo-pyridin-3-yl-methanol, also known as CAS# 618107-90-7, is a chemical compound that falls under the category of pyridine derivatives. Pyridine derivatives are a class of organic compounds that are widely used in the chemical industry for various applications such as pharmaceuticals, agrochemicals, and specialty chemicals.CAS# 618107-90-7 SynthesisThe synthesis of 2-amino-5-iodo-pyridin-3-yl-methanol is a multi-step process that involves several chemical reactions.
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