Styrene divinylbenzene-manufacture,factory,supplier from China

Products Description of Divinylbenzene CAS#1321-74-0Divinylbenzene is a very useful crosslinking agent, widely used in ion exchange resins, ion exchange membranes, ABS resins, polystyrene resins, unsaturated polyester resins, synthetic rubber and other fields. However, divinylbenzene is highly reactive. During the distillation process, it is very easy to undergo free radical polymerization due to the initiation of metal ions and heat. The higher the temperature, the faster the polymerization rate.

Styrene CAS#100-42-5 Styrene is a positive natural chemical compound having the chemical components C8H8 and structural system CH2=CHC6H5, additionally recognized as styrol, vinylbenzene, phenylethene,phenylethylene,styrene,styreen and so on. Its chemical shape is made up of a benzene ring bonded onto a vinyl team . At room temperature and pressure, styrene is a clear, colorless liquid.

Products Description of 4-Chloromethyl styrene CAS#1592-20-74-Vinylbenzyl chloride is an organic compound with the formula ClCH2C6H4CH=CH2. It is a bifunctional molecule, featuring both vinyl and a benzylic chloride functional groups. It is a colorless liquid that is typically stored with a stabilizer to suppress polymerization.In combination with styrene, vinylbenzyl chloride is used as a comonomer in the production of chloromethylated polystyrene. It is produced by the chlorination of vinyltoluene.

Products Description of (2-Bromoethyl)benzene  CAS#103-63-9β-Bromophenylethane is an important intermediate for the synthesis of highly efficient brominated flame retardant polybrominated styrene, and is also commonly used in the preparation of organic synthesis intermediates. For example, β-Bromophenylethane can be used to prepare 4-(4-phenylbutoxy)benzoic acid, an intermediate for preparing pranlukast. Pranlukast was first successfully developed by Ono Co., Ltd. of Japan as an anti-asthma drug and was launched in Japan in 1995.

Products Description of Ethylenediaminetetraacetic acid tetrasodium salt trihydrate CAS#67401-50-7Tetrasodium EDTA is a white powder that can be used as a hard water softener, a multivalent chelating agent, a fixing solution for bleaching in color photosensitive materials, and an activator for styrene-butadiene rubber.Ethylenediaminetetraacetic acid tetrasodium salt trihydrate Chemical PropertiesMelting point >300° Cstorage temp. Store at room temperaturesolubility Soluble in water.form powdercolor WhitePH10.0 to 12.0(5 g/L, 25 deg-C)CAS DataBase Reference67401

CACL2 CAS#10043-52-4Product Description:At the heart of industrial and commercial applications is calcium chloride, a chemical compound with the molecular formula CaCl2 and registration number CAS#10043-52-4.

Products Description of 1,1,3,3-Tetramethoxypropane CAS#102-52-3The ester compounds synthesized based on 1,1,3,3-tetramethoxypropane have ester-forming quaternary carbon atoms at the β position of the molecular structure of 1,1,3,3-tetramethoxypropane.

Products Description of Chloramine B CAS#127-52-6Chloramine B hydrate is a white crystalline powder.Chloramine B Chemical PropertiesMelting point 190°CBoiling point 189℃[at 101 325 Pa]density 1.484[at 20℃]vapor pressure 0Pa at 20℃storage temp. Keep in dark place,Inert atmosphere,2-8°Csolubility H2O: 0.1 g/mL, clearform solidpka1.88[at 20 ℃]Water Solubility 0.1 g/mLMerck 14,2074BRN 3599287InChIKeyKDNCILYKSYKEFJ-UHFFFAOYSA-NLogP0.14 at 26℃EPA Substance Registry SystemChloramine B (127-52-6) Safety InformationHazard Codes CRisk

Products Description of 2-Amino-5-chloropyrazine CAS#33332-29-52-Amino-5-chloropyrazine is a pyrazine compound, mainly used as an organic intermediate.CAS No.

Products Description of Bretazenil CAS#84379-13-5Brotacetin is a partial agonist of the GABAA receptor of the benzodiazepine class. It was first developed by Roche as an antianxiety drug. Studies have found that brotacetin can counteract the spasms caused by pentamethazine. At an antispasmodic dose (125-250 μg·kg-1), brotacetin combined with pyridostigmine (100 μg·kg-1, im) and aprofen (4 mg·kg-1, im) can prevent sarin and soman poisoning. Brotacetin has good antianxiety activity at a dose of 50-400 μg·kg-1. Compared with diazepam, it has little adverse reaction of myasthenia.

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.

Products Description of 1-Hexanol CAS#111-27-3Colorless liquid. Boiling point 157℃, relative density 0.819, miscible with ethanol, propylene glycol, and oil. Has a light green scent of young branches and leaves, with a slight aroma of wine, fruit, and fat. Hexanol or its carboxylic acid esters are present in trace amounts in citrus fruits, berries, etc.

Products Description of Styrenated phenol CAS#61788-44-1Light yellow to amber viscous liquid.

Products Description of 1-Methylpyrrolidine CAS#120-94-5Colorless, transparent, volatile liquid. Freezing point -90°C, boiling point 79.5～80.5°C, relative density 0.819, refractive index 1.4240, flash point -21°C.

Products Description of Pal-Tripeptide-1 CAS#147732-56-7 Palmitoyl tripeptide-1 is a matrikine signal peptide that acts on the dermis and can promote the synthesis of extracellular matrix such as collagen and glycosaminoglycans, strengthen the dermis, make the skin thicker and firmer, relieve wrinkles, and have a stronger ability to resist ultraviolet radiation.Pal-Tripeptide-1 Chemical PropertiesBoiling point 913.0±65.0 °C(Predicted)density 1.105storage temp. Store at -20°Csolubility DMF: 30 mg/ml; DMSO: 10 mg/ml; Ethanol: 30 mg/mlform A solidpka3.16±0.10(Pr

Products Description of Dodecylamine CAS#124-22-1Dodecyl primary amine is also known as 1-aminododecane, laurylamine, and dodecylamine. It is colorless or white crystal. This product is weakly alkaline and can form salts with inorganic or organic acids. Can be quaternized. Reacts with ethylene oxide and can be acetylated. Chemicalbook can be added to unsaturated hydrocarbons. This product can be oxidized with peroxide. Reacts with halogenated carboxylic acids to generate amphoteric compounds. Reacts with carboxylic acid chloride to generate amides.

Products Description of 1-Dodecanethiol CAS#112-55-0Colorless or light yellow liquid. Melting point -7℃, boiling point 165-169℃ (5.19kPa), 142-145℃ (2kPa), relative density 0.8450 (20/20℃), refractive index 1.4589, flash point 87℃.

Products Description of Pyridine hydrobromide CAS#18820-82-1Pyridine hydrobromide is used as an intermediate for cephalosporin antibiotics such as ceftriaxone, cefapirin, and ceftazidime.Pyridine hydrobromide Chemical PropertiesMelting point 200 °C (dec.)(lit.)storage temp. Inert atmosphere,Room Temperatureform powder to crystalcolor White to Light yellow to Light orangeWater Solubility Soluble in water.Sensitive HygroscopicBRN 3615336InChIInChI=1S/C5H5N.BrH/c1-2-4-6-5-3-1;/h1-5H;1HInChIKeyBBFCIBZLAVOLCF-UHFFFAOYSA-NSMILESC1C=CN=CC=1.BrCAS DataBase

Products Description of 1-Ethoxy-2-propanol CAS#1569-02-4Colorless transparent liquid.

Products Description of 1-Isopropylpiperazine CAS#4318-42-71-Isopropylpiperazine is a chemical.CAS No.

Products Description of 1-Acetylpiperazine CAS#13889-98-0Crystallization (ethanol-water solution).

Products Description of Glyceryl monostearate CAS#31566-31-1 Glyceryl monostearate is an emulsifier and additive for food; it is used as an emulsifier in cosmetics and pharmaceutical ointments.

Products Description of 2,2'-[(1-Methylethylidene)bis[(dibromo-4,1-phenylene)oxymethylene]]bis[oxirane]-4,4'-(1-methylethylidene)bis[2,6-dibromophenol] copolymer CAS#68928-70-1Tetrabromobisphenol A-tetrabromobisphenol A glycidyl ether copolymer is widely used in flame retardant potting materials, flame retardant laminate adhesives, etc.

Products Description of 1-Methylimidazole 99% CAS#616-47-7N-methylimidazole, also known as 1-methylimidazole, is mainly used as an organic synthesis intermediate, ionic liquid and resin curing agent, adhesive, etc., such as the synthesis of deoxyribonucleic acid and acetylation catalyst, as well as for casting, bonding and fiberglass. Therefore, optimizing the synthesis process of N-methylimidazole has great application value and practical significance.