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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Tolyltriazole CAS#29385-43-1Tolyltriazole is a water-stabilizing chemical that inhibits corrosion by bonding to metal parts and machinery surfaces to prevent water from destabilizing the molecular structure of the metal. It creates an electrochemical barrier that is thick enough to deter corrosive chemicals. This barrier is very durable and features favorable oxidative and thermal stability. The long-term protective barrier created by tolyl triazole does not contaminate process fluids or the metal material of piping systems.
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Products Description of Propiconazole CAS#60207-90-1he triazole compound propiconazole (Pcz), 1-[[2-(2,4- dichlorophenyl)-4-propyl-1, 3-dioxolan-2-yl]methyl]-1,2,4-triazole, is a kind of triazole fungicide (Fig. 1). It is used extensively in a variety of applications. It is used on grasses grown for seed, mushrooms, corn, wild rice, peanuts, almonds, sorghum, oats, pecans, apricots, peaches, nectarines, plums and prunes.
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2'-Hydroxyacetophenone CAS#118-93-4Overview:2'-Hydroxyacetophenone, also known as ortho hydroxy acetophenone, is an organic compound with the chemical formula C8H8O2 and the CAS number 118-93-4.This light yellow liquid is recognized for its diverse applications in various industries, including pharmaceuticals and fragrancesProduct Specifications:Molecular Formula: C8H8O2Molecular Weight: 136.15 g/molAppearance: Clear yellow to brown liquidMelting Point: 4 to 6°CBoiling Point: 213°C at 717 mm HgDensity: 1.131 g/mL at 25°CRefractive Index: 1.558 at 20°C
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Products Description of N-Acetylsulfanilyl chloride CAS#121-60-8Light brown to brown powder or fine crystals.
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Products Description of 4-Amino-N-methylbenzamide CAS#6274-22-2White crystal particles4-Amino-N-methylbenzamide Chemical PropertiesMelting point 181 °CBoiling point 364.1±25.0 °C(Predicted)density 1.137storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility soluble in Methanolform powder to crystalpka15.84±0.46(Predicted)color White to Light yellow to Light orangeCAS DataBase Reference6274-22-2(CAS DataBase Reference)Safety InformationHazard Codes XiHazardClass IRRITANTHS Code 29242990Factory and Equipment ShowFast del
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Products Description of N,N'-Carbonyldiimidazole CAS#530-62-1N,N′-Carbonyldiimidazole (CDI for short) is a derivative of imidazole. Its imidazole structure has a closed large P bond, and one of the nitrogen atoms has a lone pair of electrons in the unbonded sp2 orbital. These determine that CDI has strong chemical reactivity and can react with functional groups such as ammonia, alcohol, and acid to synthesize many compounds that are difficult to obtain by general chemical methods.
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Products Description of N-Isopropylbenzylamine CAS#102-97-6N-Benzylisopropylamine can be used as an intermediate in the synthesis of compounds and as a precursor in the production of certain drugs. Due to its similarity in appearance and physical properties to methamphetamine, it has been included in the DEA's consideration in recent years. N-Benzylisopropylamine forms an amine adduct with magnesium in toluene at room temperature. Using N-Benzylisopropylamine as a ligand, bis(cyclopentadienyl)magnesium was prepared and characterized.
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Products Description of N,N'-Ethylenebis(stearamide) CAS#110-30-5N,N'-(ethane-1,2-diyl)distearamide is a colorless to light yellow waxy solid. It has good thermal stability and low volatility.
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Products Description of N,N-Diethyl-m-toluamide CAS#134-62-3DEET (diethylmethylbenzamide), also known as DEET, is a broad-spectrum insect repellent that repels a variety of biting insects in various environments, including stinging flies, midges, black flies, chiggers, deer flies, fleas, gnats, horse flies, mosquitoes, sand flies, small flies, stable flies and ticks. DEET was developed and patented by the U.S. Department of Agriculture during World War II. The product was designated as a mosquito repellent for use by the U.S. military in 1946.
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Products Description of Chlorhexidine CAS#55-56-1Used for gingivitis (acute necrotizing ulcerative gingivitis), oral infections after dental surgery, prevention and treatment of oral infections in patients with cancer and leukemia, stomatitis and follicular stomatitis caused by bacterial or fungal oral infections caused by wear of dentures Chemicalbook , Reduce dental plaque.
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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 Octadecanethiol CAS#2885-00-9Octadecanethiol, molecular formula C18H38S.Octadecanethiol Chemical PropertiesMelting point 30-33 °C(lit.)Boiling point 204-210 °C11 mm Hg(lit.)density 0.847 g/mL at 25 °C(lit.)vapor pressure <0.5 hPa (20 °C)refractive index n20/D 1.3610Fp 55 °Fstorage temp. Store below +30°C.form Crystalline Solidpka10.49±0.10(Predicted)Specific Gravity0.832 (30℃)0.847color WhiteWater Solubility InsolubleBRN 1811934Exposure limitsNIOSH: Ceiling 0.5 ppm(5.9
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 Products Description of Sodium Hydroxymethanesulphinate CAS#149-44-0Sodium bisulfite formaldehyde is translucent white orthorhombic crystals or small pieces. Apparent density 1.80~1.85g/cm3. Easily soluble in water, slightly soluble in alcohol. It has extremely strong reducing properties under high temperature and can make the dyed color disappear, so it is known as the chemical book of hanging white blocks. It decomposes when exposed to acid, and decomposes at 120°C to produce toxic gases such as formaldehyde and hydrogen sulfide.
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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 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 Glycerol formal CAS#4740-78-7Glycerol acetal (GF) is a light glycerol acetal composed of about 60% 5-hydroxy-1,3-dioxane and about 40% 4-hydroxymethyl-1,3-dioxane. Glycerol reacts with formaldehyde in the presence of an acidic catalyst to produce acetone.
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Products Description of Lithium hydride CAS#7580-67-8Lithium hydride, also known as lithium monohydride, is an inorganic compound with the chemical formula LiH. It is the hydride of lithium and is a white crystalline powder. It is insoluble in benzene and toluene, but soluble in ether.
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Products Description of 2-Ethylhexanoyl chloride CAS#760-67-8Light-colored transparent liquid with a strong pungent odor, boiling point 67-68°C, flash point 79°C, specific gravity 0.939, acidic pH, soluble in water2-Ethylhexanoyl chloride Chemical PropertiesMelting point <-75°CBoiling point 67-68 °C/11 mmHg (lit.)density 0.939 g/mL at 25 °C (lit.)vapor pressure 0.72 mm Hg ( 67.7 °C)refractive index n20/D 1.433(lit.)Fp 157 °Fstorage temp. Store below +30°C.form clear liquidcolor Colorless to Almost colorlessWater Solubility Rea
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Products Description of Palmitoyl chloride CAS#112-67-4Colorless liquid. Melting point 11-12℃, boiling point 12℃, boiling point 199℃ (2.6kPa), 194.5℃ (2.27kPa). Refractive index 1.4512. Miscible with organic solvents, soluble in ether.
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Products Description of Isopropyl alcohol CAS#67-63-0Isopropyl alcohol, also known as fire wine, is the simplest secondary alcohol and one of the isomers of n-propyl alcohol. It is a colorless, flammable liquid with a strong odor, similar to the mixture of ethanol and acetone, but not very odorous. It is soluble in most organic solvents such as water, alcohol, ether, benzene, chloroform, etc. It is miscible with water, alcohol, ether, and can form an azeotrope with water.
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Products Description of PERKADOX PF-DBM25CAS#1931-62-0White powderPERKADOX PF-DBM25 Chemical PropertiesMelting point 130-131 °CBoiling point 260.8±42.0 °C(Predicted)density 1.185±0.06 g/cm3(Predicted)vapor pressure 0.147Pa at 25℃storage temp. Flammables areapka2.38±0.25(Predicted)Water Solubility 642mg/L at 20℃LogP0.9 at 30℃CAS DataBase Reference1931-62-0EPA Substance Registry System2-Propeneperoxoic acid, 3-carboxy-, 1-(1,1-dimethylethyl) ester, (2Z)- (1931-62-0)Safety InformationHazard Codes Xn-ORisk Statements 7-41-36/38-22Safety Statements 
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Products Description of Sodium Copper Chlorophyllin CAS#11006-34-1Using natural green plant tissues, such as silkworm excrement, clover, alfalfa, bamboo and other plant leaves as raw materials, extracting with organic solvents such as acetone, methanol, ethanol, petroleum ether, etc., replacing the central magnesium ions of chlorophyll with copper ions, and saponifying it with alkali, removing the methyl and phytol groups, and forming the carboxyl group to become disodium salt. Therefore, sodium copper chlorophyll is a semi-synthetic pigment.
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Products Description of Dichloromethane CAS#75-09-2Dichloromethane is a compound formed by replacing two hydrogen atoms in the methane molecule with chlorine, with the molecular formula CH2Cl2. It is a colorless, transparent, heavier than water, volatile liquid with an ether-like smell and sweetness. It does not burn, but forms an explosive mixture when mixed with high concentrations of oxygen.
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Niacinamide, also called nicotinamide, is an amide substance of niacin. White crystalline powder; odorless or nearly odorless, bitter in taste; slightly hygroscopic. Soluble in water or ethanol, soluble in glycerol.Because nicotinamide is a B vitamin derivative, as well as nicotinamide is additionally a component of coenzymes, it is an essential part of the body as a coenzyme of several dehydrogenases.
Sodium Hydroxide, also known as caustic soda or lye, with CAS#1310 - 73 - 2, is a highly significant chemical compound extensively utilized in diverse industries.Production and Market TrendsRecent data indicates notable production figures for Sodium Hydroxide across different regions. In 2023, China's December output of Sodium Hydroxide (equivalent to 100% purity) reached 3.69 million tons. This represented a month - on - month increase of 5.49% and a year - on - year growth of 7.7%.
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.
What is Tianeptine Sodium Salt?Tianeptine sodium salt is an analytical reference standard, which is classified as opioid drugs. Tianeptine has been abused and has been associated with overdose and death. Preparations containing tianeptine have been used to treat depression.Tianeptine sodium salt is designed for analytical forensic applications and can also be used as a general research tool.Tianeptine Sodium Salt UsesTianeptine sodium is a tricyclic antidepressant. Its antidepressant mechanism is different from that of traditional tricyclic antidepressants.
What is Sodium Cocoyl Isethionate?Sodium cocoyl isethionate is a fine white powder extracted from coconut oil. It’s a sodium salt known to be mild on the skin. That the process involved mixing a natural sulfonic acid called hydroxyethyl sulfonic acid with fatty acids naturally found in coconut oil. Most commonly, you will find this ingredient on the back of shampoo, shower gel, detergent and soap bar because it is considered a surfactant.Surfactants are used as cleaners because they mix well with oil and water.
2-(Methylamino)pyridine IntroductionIt, also known as MAP, is a chemical compound with the molecular formula C6H8N2. It is commonly used in the pharmaceutical and chemical industries as a building block for various drugs and chemicals. In this article, we will explore the properties, applications, and synthesis of 2-(Methylamino)pyridine.2-(Methylamino)pyridine Properties1. Physical properties: it is a colorless to pale yellow liquid with a pungent odor. It has a boiling point of 208-209°C and a melting point of -35°C.2.
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.
Global Role of Ethylene GlycolThe global supply chain is intricately linked with the production and distribution of ethylene glycol, also known as mono ethylene glycol (MEG) or simply EG, with the chemical formula C2H6O2 and CAS number 107-21-1 . This clear, viscous liquid is a critical component in various industries, from automotive to textiles, and is commonly recognized for its use in glycol antifreeze solutions .Ethylene glycol is predominantly utilized in the manufacturing of polyester and polyurethane plastics, which are essential in the textile industry.
In the chemical industry, dichloromethane (CAS#75 - 09 - 2), as a crucial organic compound, has always been the focus of the industry. Recently, the industry trends and regulatory policy adjustments of dichloromethane have triggered extensive discussions within the industry. The preparation methods of dichloromethane mainly include the methanol chlorination method and the chloromethane method. The methanol chlorination method involves the reaction of methanol and hydrogen chloride under the action of a catalyst to generate dichloromethane.
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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