4,4'-Diphenylmethane diisocyanate-manufacture,factory,supplier from China

Products Description of 4,4'-Diphenylmethane diisocyanate CAS#101-68-8Pale yellow molten solid with a strong pungent odor.

Products Description of Tolylene-2,4-diisocyanate CAS#584-84-9Toluene-2,4-diisocyanate is a colorless, transparent liquid at room temperature and pressure, and is sensitive to moisture.

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 4,4'-Diamino-2,2'-Stilbenedisulfonic Acid CAS#81-11-8 4,4'-diaminostilbene-2,2'-disulfonic acid, an organic chemical substance, molecular formula: C14H14N2O6S2.4,4'-Diamino-2,2'-stilbenedisulfonic acid Chemical PropertiesMelting point 300 °Cdensity 1.4732 (rough estimate)vapor pressure 1.3hPa at 25℃refractive index 1.6510 (estimate)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility Aqueous Base (Slightly)pka-1.58±0.50(Predicted)form Crystalline Powdercolor Cream to yellow

4,4'-DIBROMO-2,2'-BIPYRIDINE Chemical PropertiesMelting point 138.0 to 142.0 °CBoiling point 362.9±37.0 °C(Predicted)density 1.809±0.06 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility soluble in Tolueneform powder to crystalpka2.59±0.18(Predicted)color White to Light yellowInChIInChI=1S/C10H6Br2N2/c11-7-1-3-13-9(5-7)10-6-8(12)2-4-14-10/h1-6HInChIKeyKIIHBDSNVJRWFY-UHFFFAOYSA-NSMILESC1(C2=NC=CC(Br)=C2)=NC=CC(Br)=C1CAS DataBase Reference18511-71-2Safety InformationRisk Statements 36/37/38Safety Statements&nb

Cyclohexanol, 4,4-(1-methylethylidene)bis-, polymer with (chloromethyl)oxirane CAS#30583-72-3Hydrogenated bisphenol A epoxy resin is mainly used in insulating materials.Cyclohexanol, 4,4-(1-methylethylidene)bis-, polymer with (chloromethyl)oxirane Chemical Propertiesdensity 1.135[at 20℃]vapor pressure 0.002Pa at 20℃Water Solubility 58.6mg/L at 30℃InChIInChI=1S/C15H28O2.C3H5ClO/c1-15(2,11-3-7-13(16)8-4-11)12-5-9-14(17)10-6-12;4-1-3-2-5-3/h11-14,16-17H,3-10H2,1-2H3;3H,1-2H2InChIKeyCSSRVVKVKAJYLJ-UHFFFAOYSA-NSMILESC(C1CCC(O)CC1)(C1CCC(O)CC1)(C)C.C(C1OC1)ClLogP3.84 at 20℃EPA Substan

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 Bisphenol A CAS#80-05-7Bisphenol A (BPA), scientifically known as 4,4'-Isopropylidenediphenol, is a white crystalline solid that is combustible and has a faint phenolic odor. It is characterized by a relative density of 1.195, a melting point ranging from 155 to 158°C, and a boiling point between 250 to 252°C, with a flash point at 79.4°C.

4,4'-Methylenebis(N,N-diglycidylaniline) Chemical PropertiesBoiling point 619.3±35.0 °C(Predicted)density 1.15 g/mL at 25 °C(lit.)vapor pressure 0Pa at 24.85℃refractive index n20/D 1.601(lit.)Fp >230 °Fform clear liquidpka4.58±0.50(Predicted)color Light yellow to BrownWater Solubility 9.2mg/L at 20℃LogP2.12 at 22℃EPA Substance Registry SystemOxiranemethanamine, N,N'-(methylenedi-4,1-phenylene)bis[N-(oxiranylmethyl)- (28768-32-3)Safety InformationHazard Codes Xi,NRisk Statements 43-51/53Safety Statements 

Products Description of Optical brightener OB-1 CAS#1533-45-5Fluorescent whitening agent OB-1, 2,2-(4,4-diphenylethylene) bisbenzoxazole, is a yellow crystalline substance with a melting point of 359-362℃, insoluble in water, odorless, stable performance, and a maximum absorption spectrum wavelength of 374nm. It has strong fluorescence and a fluorescence emission wavelength of 434nm.

Products Description of IPHO CAS#78-59-1Isophorone, also known as "1,1,3-trimethylcyclohexenone", scientific name 3,5,5-trimethyl-2-cyclohexen-1-one, is a six- It is a cyclic α,β-unsaturated ketone with the chemical formula C9H14O. It is a colorless to yellow volatile liquid with a characteristic odor (camphor/mint aroma). Found naturally in cranberries. Insoluble in water, soluble in most organic solvents such as ethanol, ether, acetone and so on. Converts to dimer upon exposure to light.

Products Description of 1,2,3-1H-Triazole CAS#288-36-8Crystallization.

Products Description of Phthalic Anhydride CAS#85-44-9Phthalic anhydride, referred to as phthalic anhydride, is an important chemical raw material.

Products Description of Ethylamine-borontrifluorideCAS#75-23-0Boron trifluoride ethylamine is mainly used as a latent curing agent for epoxy resin.Ethylamine-borontrifluoride Chemical PropertiesMelting point 85-89 °C(lit.)Boiling point 148°C/1mmHg(lit.)density 1,38 g/cm3Fp 157°Cstorage temp. 2-8°Cform solidcolor White to Light yellowPHpH(50g/l, 25℃) : 4.0～5.6Water Solubility Reacts with water.Sensitive Moisture SensitiveBRN 3672802Exposure limitsACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3InChIInChI=1S/C2H6BF3N/c1-2-7-3(4,5)6/h7H,2H2,1H3

Products Description of Palmitoylethanolamide (PEA) CAS#544-31-0Palmitoylethanolamide (PEA) is an endogenous fatty acid amide that belongs to the class of nuclear factor agonists.

Products Description of 2-Acrylamide-2-methylpropanesulfonic acid CAS#15214-89-82-Acrylamido-2-methylpropanesulfonic acid (AMPS) is a water-soluble sulfonic acid group with strong anionic properties, which makes it salt-resistant, high-temperature-resistant, dye-affinity, conductive, ion-exchangeable and highly tolerant to divalent cations; the amide group makes it have good hydrolysis stability, acid and alkali resistance and thermal stability; and the active double bond makes it have addition polymerization properties, and it can produce copolymers with a variety of hydrocarbon monomers

Products Description of Methanedisulphonic acidCAS#503-40-2Methyl disulfonic acid is an important fine chemical product.

Products Description of  Homopiperazine CAS#505-66-8Homopiperazine is a nitrogen-containing seven-membered ring compound and an important pharmaceutical intermediate. Most of its derivatives have strong biological activity and medicinal value and can be used to synthesize drugs such as homopiperazine hydrochloride, cyclizine, carbamazepine, quinolones and chlorcyclizine.

Products Description of 2-Fluoro thiophenol CAS#2557-78-02-Fluorobenzenethiol is a chemical substance with the molecular formula FC6H4SH.2-FLUOROTHIOPHENOL Chemical PropertiesBoiling point 61-62 °C/35 mmHg (lit.)density 1.2 g/mL at 25 °C (lit.)refractive index n20/D 1.557(lit.)Fp 118 °Fstorage temp. 2-8°Cpka6.00±0.43(Predicted)form clear liquidcolor Colorless to Light yellow to Light orangeSpecific Gravity1.20Sensitive StenchBRN 2039768CAS DataBase Reference2557-78-0(CAS DataBase Reference)NIST Chemistry ReferenceO-fluorothiophenol(25

Products Description of 4-(2-Tetrahydropyranyloxy)phenylboronic acid CAS#182281-01-2Phenylboric acid is a chemical substance with the chemical formula C11H15BO4.4-(2-Tetrahydropyranyloxy)phenylboronic acid Chemical PropertiesMelting point 117-124 °CBoiling point 411.3±55.0 °C(Predicted)density 1.21±0.1 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility soluble in Methanolform powder to crystalpka8.63±0.16(Predicted)color White to Light yellowCAS DataBase Reference182281-01-2(CAS DataBase Reference)Safety Information

Products Description of Sodium cyanoborohydride CAS#25895-60-7Sodium cyanoborohydride is a chemical substance, a white or slightly yellow solid powder, and a mild reducing agent.Sodium cyanoborohydride Chemical PropertiesMelting point >242 °C (dec.) (lit.)Boiling point 307°Cdensity 1.083 g/mL at 25 °CFp −1 °Fstorage temp. Store below +30°C.solubility Soluble in water (100 mg/ml, with heating), methanol, ethanol, and THF.

Products Description of 2,4-Bis(phenylsulfonyl)phenol CAS#177325-75-6White powder2,4-Bis(phenylsulfonyl)phenol Chemical PropertiesMelting point 158 °CBoiling point 631.4±50.0 °C(Predicted)density 1.415±0.06 g/cm3(Predicted)pka4.17±0.43(Predicted)form powder to crystalcolor White to Almost whiteCAS DataBase Reference177325-75-6Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of Zirconium Silicate CAS#10101-52-7Zirconium silicate is a high-quality, low-cost emulsifier that is widely used in various building ceramics, sanitary ceramics, daily-use ceramics, primary ceramics, etc. It has a wide range of applications and a large amount of applications. Zirconium silicate is also further used in the production of color picture tubes in the television industry, emulsified glass in the glass industry, and enamel glazes.

Products Description of Glycidol CAS#556-52-5Glycidyl alcohol is also called glycidol. This substance is used as a stabilizer for natural oils and vinyl polymers, demulsifiers, dyeing and layering agents, and is used in surface coatings, chemical synthesis, fungicides, etc.