4 4 diaminodiphenyl sulfone-manufacture,factory,supplier from China

Products Description of 4,4'-Diaminodiphenylsulfone CAS#80-08-0Dapsone is a sulfone antibacterial drug with a strong antibacterial effect on Mycobacterium leprae. Its preparations have been widely used in the treatment of leprosy. As the first choice for the treatment of leprosy, dapsone acts on the dihydrofolate synthase (DHPs) of bacteria, interferes with the synthesis of folic acid, and affects the synthesis of protein by bacteria.

Products Description of Selenium dioxideSelenium dioxide is mainly defined as an oxidizing reagent in organic synthesis, and it is involved in a number of oxidation reactions. Probably due to the toxicity of this reagent, many of these reactions have been gradually replaced in recent years by other, better reagents from Chemicalbook.

Products Description of Mogroside V CAS#88901-36-4 Mogroside V is extracted from a plant called Momordica grosvenori. Momordica grosvenori is a vine plant of the Cucurbitaceae family (Mogrosvenori genus). The mature fruit of Momordica grosvenori is extremely sweet and is rich in cucurbitane-type tetracyclic triterpenoid saponins, among which Mogroside V is the main sweet component, with a dry weight content of up to 1.6%.

Products Description of 4-Acetylpyridine CAS#1122-54-94-Acetylpyridine is an organic compound with the molecular formula C7H7NO.4-Acetylpyridine Chemical PropertiesMelting point 13-16 °C(lit.)Boiling point 212 °C(lit.)density 1.095 g/mL at 25 °C(lit.)refractive index n20/D 1.529(lit.)Fp >230 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform, Ethyl Acetateform LiquidpkapK1: 3.505(+1) (25°C)Specific Gravity1.110 (20/4℃)color brown-yellowishWater Solubility insolubleBRN 107629InC

Products Description of 4-Bromopyridine hydrochlorideCAS#19524-06-24-Bromopyridine hydrochloride is a white crystalline solid at room temperature and pressure. It has a certain degree of hygroscopicity and is easily deliquescent in water. It is often used as a coupling reagent and a precursor molecule of pyridine derivatives in organic synthetic chemistry. When used, it is often pre-treated with alkali to release 4-bromopyridine.

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 4-Chromanone CAS#491-37-2White crystals.

Products Description of PhenetidineCAS#156-43-4Colorless oily flammable liquid. It gradually turns red to brown when exposed to air and sunlight.

Dimethylolurea Chemical PropertiesMelting point 125 °C (dec.)(lit.)Boiling point 224.08°C (rough estimate)density 1.34refractive index 1.4610 (estimate)Fp 100 °Cstorage temp. 2-8°Cpka12.14±0.46(Predicted)form powder to crystalcolor White to Almost whiteWater Solubility 150 g/LMerck 14,6968BRN 1811870InChIKeyQUBQYFYWUJJAAK-UHFFFAOYSA-NLogP-2.610 (est)CAS DataBase Reference140-95-4(CAS DataBase Reference)NIST Chemistry ReferenceDimethanolurea(140-95-4)EPA Substance Registry SystemDimethylolurea (140-95-4) Safety InformationHaz

Products Description of 4-Chloropyridinium chloride CAS#7379-35-34-Chloropyridine hydrochloride can be used as a pharmaceutical intermediate in laboratory organic synthesis and chemical pharmaceutical research and development.

Products Description of TRIDECETH-4 CAS#69011-36-5Condensation products of isomeric alcohol and ethylene oxideTRIDECETH-4 Chemical PropertiesBoiling point 290℃[at 101 325 Pa]density 0.907[at 20℃]vapor pressure 0.007Pa at 20℃Water Solubility 56mg/L at 20℃LogP4.73 at 25℃EPA Substance Registry SystemPolyethylene glycol mono(branched tridecyl) ether (69011-36-5) Safety InformationRIDADR 3082HazardClass 9PackingGroup IIIProduct Application of TRIDECETH-4 CAS#69011-36-5Isomeric alcohol ether E-1300 products are easily dispersed or soluble in water, a

Products Description of 4-Methylmorpholine CAS#109-02-4N-methylmorpholine is an important organic chemical intermediate. It is an excellent solvent, emulsifier, corrosion inhibitor, polyurethane foam catalyst, and can also be used as a pesticide intermediate.

Products Description of 4'-HydroxyacetophenoneCAS#99-93-4Since p-hydroxyacetophenone contains hydroxyl and ketone groups on the benzene ring in its molecule, it is often used as an intermediate in organic synthesis to react with other compounds to synthesize many important substances.

Products Description of 4-Acryloylmorpholine CAS#5117-12-4N-Acryloylmorpholine is a chemical substance with the molecular formula C7H11NO2.4-Acryloylmorpholine Chemical PropertiesMelting point −35 °C(lit.)Boiling point 158°C 50mmdensity 1.122 g/mL at 25 °C(lit.)vapor pressure 1.03-1.64Pa at 25-29.9℃refractive index n20/D 1.512(lit.)Fp >230 °Fstorage temp. 2-8°Csolubility Soluble in waterpka-1.08±0.20(Predicted)form Liquidcolor Colorless to yellowWater Solubility 1000g/L at 20℃Sensitive Light Sensi

Products Description of 2-Hydroxy-4-methylpyrimidine hydrochloride CAS#5348-51-62-Hydroxy-4-methylpyrimidine hydrochloride CAS No.

Products Description of 1-(4-Chlorophenyl)Piperazine Dihydrochloride CAS#38869-46-4Para-Chlorophenylpiperazine (pCPP) is a psychoactive drug of the phenylpiperazine class. It is relatively obscure, with limited human use, and produces slightly psychedelic effects.

Products Description of 4-AminophenolCAS#123-30-8Aminophenol is also known as hydroxyaniline and aminohydroxybenzene. There are three isomers, namely o-aminophenol, m-aminophenol and p-aminophenol (4-aminophenol). In 1874, Baeyer et al. first prepared p-aminophenol. Due to the different relative positions of the hydroxyl group and the amino group, the three are also different in terms of physical and chemical properties. This product is weakly alkaline, weakly acidic and strongly reducing. Because it has both amino and phenol groups, it has the common properties of both.

Products Description of Tetrahydro-4-pyranol CAS#2081-44-9Tetrahydropyran-4-ol is a colorless transparent liquid at room temperature and pressure. It has good polarity and hydrophilicity and can be used as a solvent in organic synthesis. The structure of tetrahydropyran-4-ol contains a tetrahydropyran unit and an active hydroxyl structure, and has high chemical reactivity and diverse chemical conversion properties. The tetrahydropyran-4-ol molecule contains a hydroxyl structure, so it has a certain polarity.

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.

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.

Products Description of AMIX 1000 CAS#68910-05-4White powderAMIX 1000 Chemical PropertieBoiling point 199.7℃ at 101.325kPadensity 1.032 at 20℃vapor pressure 6.1-27.7hPa at 20-50℃form ViscousEPA Substance Registry SystemEthanol, 2-amino-, reaction products with ammonia, by-products from (68910-05-4)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of 4-Aminoisoquinoline CAS#23687-25-44-Aminoisoquinoline is a white powdery crystal.CAS No.

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.

Products Description of POLYGLYCERYL-4 LAURATE CAS#75798-42-4Colorless liquidFactory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days