3-DIHYDRO-4H-CHROMEN-4-ONE-manufacture,factory,supplier from China

Products Description of 6-Bromo-2,3-dihydro-4H-chromen-4-one CAS#49660-57-34-Dihydrochromone is a class of natural compounds with excellent biological activity.

Products Description of  Tetrahydro-4H-pyran-4-one CAS#29943-42-8Tetrahydropyranone, also known as tetrahydropyran-4-one, is a chemical substance with the molecular formula C5H8O2.Tetrahydro-4H-pyran-4-one Chemical PropertiesBoiling point 166-166.5 °C (lit.)density 1.084 g/mL at 25 °C (lit.)refractive index n20/D 1.452(lit.)Fp 134 °Fstorage temp. Inert atmosphere,Room Temperatureform Liquidcolor Clear colorless to pale yellowWater Solubility MISCIBLEBRN 106463InChIKeyJMJRYTGVHCAYCT-UHFFFAOYSA-NCAS DataBase Reference29943-42-8(CAS

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

Products Description of (2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine CAS#78342-42-4(S)-2,5-Dimethoxy-3-isopropyl-3,6-dihydropyrazine.Molecular formula: C9H16N2O2.Molecular weight: 184.24 g/mol(2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine Chemical Propertiesalpha 102 º (c=1%, EtOH)Boiling point 245.2±33.0 °C(Predicted)density 1.028 g/mL at 20 °C (lit.)storage temp. Sealed in dry,2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)pka3.81±0.60(Predicted)form Liquidcolor Clear colorless to pale

Products Description of 3,4-Dihydro-2H-pyran CAS#110-87-23,4-Dihydro-2H-pyran, referred to as DHP, is an organic intermediate often used as a protective group.

Products Description of 6-Methylpyridazin-3(2H)-One CAS#13327-27-06-Methyl-3(2H)-pyridazinone is a yellow crystalline powder with a melting point of 138°C.

Products Description of 1,3-Dioxan-2-one CAS#2453-03-4Used to synthesize polytrimethylene carbonate (PTMC)1,3-Dioxan-2-one Chemical PropertiesMelting point 45.0 to 49.0 °CBoiling point 135°C/4mmHg(lit.)density 1.200±0.06 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility soluble in Methanolform powder to crystalcolor White to Almost whiteSafety InformationRisk Statements 22-36Safety Statements 24/25HS Code 29147000Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 wo

Products Description of 1,3-Dioxan-2-one homopolymer  CAS#31852-84-3Polylactic acid is also known as polyhydroxypropionic acid or polylactide. It is a biodegradable polymer material formed by the polycondensation of lactic acid monomers. It is soluble in solvents such as chloroform, acetone, dioxane, dimethylformamide, benzene, toluene, and insoluble in saturated alkanes such as petroleum ether. It has good biocompatibility and blood compatibility, good anticoagulant properties in vitro, can be degraded by the human body, and excreted from the body as carbon dioxide and water.

Products Description of METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL CAS#220641-87-2N-Methyltetrahydro-2H-pyran-4-amine is a pharmaceutical intermediate, which can be prepared by reductive amination reaction of tetrahydro-4H-pyran-4-one and methylamine.METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL Chemical PropertiesBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Cpka10.01±0.20(Predicted)form liquidcolor Clear, colourlessBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/c

Products Description of Eucalyptus oil CAS#8000-48-4Eucalyptus oil is one of the most commonly used essential oils. With the increasing popularity of candies and chewing gum, one of the main uses of eucalyptus oil is as a food additive. Synthetic fragrances have a refreshing and clean appeal.It has a great influence on the cosmetic industry (such as toothpaste and oral hygiene products) and other household cleaning products industry, as well as the fragrance of perfumes.

Products Description of 4,5-Dichloro-3(2H)-pyridazinone CAS#932-22-94,5-Dichloropyridazin-3(2H)-one is an organic intermediate that can be used to prepare thiadiazole compounds 4-chloro-2-[(5-ethoxy-1,3,4-thiadiazole-2-)methyl]-5-piperidinyl-3(2H)-pyridazinone.

Products Description of 1-(2,6-Dichlorophenyl)indolin-2-one CAS#15362-40-0Used as the intermediate of diclofenac1-(2,6-Dichlorophenyl)indolin-2-one Chemical PropertiesMelting point 115-119°CBoiling point 488.6±45.0 °C(Predicted)density 1.432±0.06 g/cm3(Predicted)storage temp. Sealed in dry,2-8°Csolubility Chloroform (Slightly), Methanol (Slightly)pka-4.85±0.20(Predicted)color Off-White to Light BrownBRN 1538309Stability:StabilityCAS DataBase Reference15362-40-0(CAS DataBase Reference)Safety InformationSafety Statements 24/25WGK Germany 3RTECS&n

Products Description of 3-METHYLPYRIDAZINE CAS#1632-76-43-Methylpyridazine, an organic chemical substance, molecular formula: C5H6N2.3-METHYLPYRIDAZINE CAS#1632-76-4 Chemical PropertiesMelting point 184°CBoiling point 214 °C (lit.)density 1.031 g/mL at 25 °C (lit.)refractive index n20/D 1.514(lit.)Fp 190 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform, Methanol (Slightly)pka3.47±0.10(Predicted)form Liquidcolor Clear yellow to brownSpecific Gravity1.031BRN 105691InChIKeyMXDRPNGTQDRKQM-UHFFFAOYSA-NCAS Da

2-DODECEN-1-YLSUCCINIC ANHYDRIDE CAS#19780-11-1Product Name:2-DODECEN-1-YLSUCCINIC ANHYDRIDESynonyms:2,5-Furandione, 3-(2-dodecenyl)dihydro-;2,5-Furandione, 3-dodecenyl-;3-(2-dodecenyl)dihydro-5-furandione;3-[(2E)-2-Dodecenyl]dihydro-2,5-furandione;3-(2-dodecenyl)succinic anhydride;2-(2-Dodecene-1-yl)succinic anhydride;2-(2-Dodecenyl)succinic anhydride;2-Dodecen-1-yl(-)succinicanhydridCAS:19780-11-1MF:C16H26O3MW:266.38EINECS:243-296-9Product Categories:Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks;Anhydride MonomersUnsaturated fatty acids and derivatives;Monoenoic fatty

2-Octen-1-ylsuccinic anhydride, mixture of cis and trans Chemical PropertiesMelting point 8-12°C (lit.)density 1 g/mL at 25 °C(lit.)vapor pressure 43.5Pa at 20℃refractive index n20/D1.4694(lit.)Fp 113℃form Viscouscolor Colorless to Almost colorlessBoiling point 168°C/10 mmHg(lit.)LogP4.68 at 22℃ and pH7EPA Substance Registry System2,5-Furandione, dihydro-3-(2-octenyl)- (42482-06-4)Safety InformationHazard Codes XiRisk Statements 36/38Safety Statements 26-36WGK Germany 3HS Code 29171900Factory and Equipment ShowFast delivery timeI

Products Description of POLYIMIDE RESIN CAS#62929-02-6Yellow powderPOLYIMIDE RESIN Chemical PropertiesMelting point >300°Cdensity 1.2Fp >93°(199°F)form PowderSpecific Gravity1.2color YellowWater Solubility Insoluble in water.EPA Substance Registry System1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 1(or 3)-(4-aminophenyl)-2,3-dihydro-1,3,3(or 1,1,3)-trimethyl-1H-inden-5-amine (62929-02-6)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of P-Phenylenediamine CAS#106-50-3 p-Phenylenediamine, also known as Urs D, is one of the simplest aromatic diamines. The pure product is white to light purple crystals, which turn purple or dark brown when exposed to air. It is slightly soluble in cold water, soluble in ethanol, ether, chloroform and benzene.It can be used to make azo dyes, high molecular polymers, fur dyes, rubber antioxidants and photo developers.

Products Description of 4-(3-AMINOPHENYL)-2-METHYLPYRIMIDINE CAS#175201-90-83-(2-Methylpyrimidine)aniline is a chemical.CAS No.

 3,6-Dichloro-4-methylpyridazine CAS#19064-64-33,6-Dichloro-4-methylpyridazine Chemical PropertiesMelting point 86-88 °C (lit.)Boiling point 149-151 °C/21 mmHg (lit.)density 1.5462 (rough estimate)refractive index 1.6300 (estimate)Fp 149-151°C/21mmstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Methanol[soluble in]solubility soluble in Methanolform Crystalline Powderpka-0.56±0.10(Predicted)color BrownBRN 119573InChIKeyROYHWGZNGMXQEU-UHFFFAOYSA-NCAS DataBase Reference19064-64-3(CAS DataBase Reference)NIST Chem

Products Description of 2-HYDROXY-3-METHYLPYRIDINE CAS#91914-04-4White powder2-HYDROXY-3-METHYLPYRIDINE Chemical PropertiesBoiling point 292.1±20.0 °C(Predicted)density 1.120±0.06 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Cpka10.37±0.10(Predicted)CAS DataBase Reference91914-04-4(CAS DataBase Reference)Factory and Equipment ShowFast transport timeInventory 2-3 working days New manufacturing 7-10 working days

Products Description of 1,2-Benzisothiazol-3(2H)-oneCAS#2634-33-51,2-Benzisothiazol-3-one (BIT for short) is a major industrial bactericidal, preservative and enzyme inhibitor. It has an outstanding inhibitory effect on the growth of mold, algae and other microorganisms in organic media. It can solve a series of problems such as mold, fermentation, deterioration, demulsification and odor of organic products caused by microbial growth.

Products Description of 1,4-Bis-[4-(3-acryloyloxypropyloxy)benzoyloxy]-2-methylbenzeneCAS#174063-87-71,4-Bis-[4-(3-acryloxypropoxy)benzoyloxy]-2-methylbenzene can be used in the field of photography to synthesize fast-erasable dyes, filter materials, charge transfer agents, etc.1,4-Bis-[4-(3-acryloyloxypropyloxy)benzoyloxy]-2-methylbenzene Chemical PropertiesBoiling point 733.5±60.0 °C(Predicted)density 1.219vapor pressure 0.003Pa at 25℃storage temp. Keep in dark place,Sealed in dry,Room Temperatureform powdercolor WhiteWater Solubility 5.3μg/L at 20℃Log

Products Description of AMBERLITE(R) XAD-4 CAS#37380-42-0Ion exchange resin is a kind of functional polymer that can exchange with ions of the same sign in aqueous solution. It is essentially a cross-linked polymer acid or polymer base. Phenolic cation exchange resin was first introduced in 1935, and industrial production began in Germany in 1939 and the United States in 1941. After World War II, polystyrene and polyacrylic acid ion exchange resins were put into production one after another. After the 1960s, macroporous ion exchange resins were developed.

Products Description of 4-Hydroxycoumarin CAS#1076-38-64-Hydroxycoumarin is a coumarin derivative, one of the most versatile heterocyclic scaffolds, commonly used in the synthesis of various organic compounds. 4-Hydroxycoumarin has electrophilic and nucleophilic properties. 4-Hydroxycoumarin appears as slightly yellow needle-shaped crystals.