3，4-dibromo-thiophene-manufacture,factory,supplier from China

Products Description of 2,2-Dibromo-2-cyanoacetamide CAS#10222-01-2White crystals. Melting point 125℃, soluble in general organic solvents (such as acetone, benzene, dimethylformamide, ethanol, polyethylene glycol, etc.), slightly soluble in water (100g water dissolves 1.5g at 25℃). Its aqueous solution is relatively stable under acidic conditions and easily hydrolyzed under alkaline conditions. Increasing pH value, heating, ultraviolet light or fluorescent irradiation can greatly accelerate its dissolution rate.

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

Products Description of Thiophene-3-ethanol CAS#13781-67-4Thiophene-3-ethanol can be used as a drug synthesis intermediate.Thiophene-3-ethanol  Chemical PropertiesBoiling point 110-111 °C14 mm Hg(lit.)density 1.144 g/mL at 25 °C(lit.)refractive index n20/D 1.552(lit.)Fp 199 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperatureform Liquidpka14.92±0.10(Predicted)Specific Gravity1.144color Clear colorless to yellow-brownWater Solubility Sparingly soluble in water(0.059 g/L at 25°C).BRN 10708

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 Tetrahydrothiophene CAS#110-01-0Tetrahydrothiophene (abbreviated as THT), also known as thiolane, tetramethylene sulfide, butyl sulfide, tetrahydrothiophene, is a sulfur-containing saturated heterocyclic compound obtained by catalytic hydrogenation of thiophene. After thiophene is reduced to tetrahydrothiophene, it no longer has a conjugated system and aromaticity. Therefore, tetrahydrothiophene shows the properties of general sulfides and is easily oxidized to sulfoxides and sulfones (cyclopentane sulfone).

Products Description of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE CAS#19404-18-33-Methyl-5-chlorobenzothiophene is a pharmaceutical intermediate. 5-CHLORO-3-METHYLBENZO[B]THIOPHENE CAS#19404-18-3 Chemical PropertiesMelting point 33 °CBoiling point 87 °Cdensity 1.293±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility soluble in Methanolform powder to lumpcolor White to Yellow to OrangeCAS DataBase Reference19404-18-3(CAS DataBase Reference)Safety InformationHazard Codes Xi,XnRisk Statements 36/37/38-22Safety Statements 26-37/39Hazard Not

Products Description of 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene CAS#7128-64-5This product is yellow-green powder. Melting point 200-201℃, decomposition temperature greater than 220℃. Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and common organic solvents. Solubility/(g/100ml): methanol 0.05; acetone 0Chemicalbook.5; toluene 5.3; carbon tetrachloride 5.9; tetrahydrofuran 5.5; DMF 0.8; chlorobenzene 10.2; cyclohexane 3.3; xylene 5.5; dioctyl phthalate 0.7; water 0.01.

Products Description of ORALITH BRILLIANT PINK R CAS#2379-74-0Reduction of pink red R to thioindigo dyes is mainly achieved by oxidizing unsubstituted or substituted benzo[b]thiophene-3 or naphtho[2,3-b]thiophene using various oxidants such as bromine in a chlorosulfonic acid medium, polysulfides, oxygen in the presence of copper salts, etc.ORALITH BRILLIANT PINK R Chemical PropertiesBoiling point 529.1±50.0 °C(Predicted)density 1.583±0.06 g/cm3(Predicted)storage temp. Sealed in dry,Room Temperatureform SolidColour Index 73360color RedLogP2.06 at 22℃ and pH7E

Products Description of Trimethyl orthopropionate CAS#24823-81-2Trimethyl orthopropionate is a chemical substance.Trimethyl orthopropionate Chemical PropertiesBoiling point 121-122 °C (lit.)density 0.944 g/mL at 20 °C (lit.)refractive index 1.397-1.399Fp 19 °Cstorage temp. Flammables areasolubility soluble in Chloroformform Liquidcolor Clear colorlessBRN 1736043CAS DataBase Reference24823-81-2(CAS DataBase Reference)NIST Chemistry ReferencePropane, 1,1,1-trimethoxy-(24823-81-2)Safety InformationHazard Codes Xi-F,Xi,FRisk Statements 36

Products Description of 1,1,2-Trimethyl-1H-benz[e]indole CAS#41532-84-7It is an extremely important alkaline heterocyclic intermediate for the synthesis of benzindolyl cyanine dyes, and is also a key intermediate for the synthesis of a variety of photovariable dyes.

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

Products Description of 2-Tert-Butylphenol CAS#88-18-62-tert-butylphenol, also known as o-tert-butylphenol, is an organic compound with the chemical formula C10H14O.

Products Description of PTBP CAS#98-54-44-tert-Butylphenol is a white crystalline solid under normal temperature and pressure. It is easily soluble in organic solvents such as ethanol, ether, and benzene, and is insoluble in water.

Products Description of Di-tert-butyl Dicarbonate CAS#24424-99-5BOC anhydride is an organic compound with the molecular formula C10H18O5.

Products Description of 2,2'-BITHIOPHENE CAS#492-97-72,2'-BITHIOPHENE is an organic intermediate.2,2'-BITHIOPHENE CAS#492-97-7 Chemical PropertiesMelting point 32-33 °C (lit.)Boiling point 260 °C (lit.)density 1.2455 (rough estimate)refractive index 1.6210 (estimate)Fp >230 °Fstorage temp. Keep in dark place,Inert atmosphere,Room temperatureform powder to lump to clear liquidcolor White or Colorless to Light yellow to GreenWater Solubility Insoluble in water.Sensitive Light SensitiveBRN 3039InChIKeyOHZAHWOAMVVGEL-U

Products Description of Sodium allylsulfonate CAS#2495-39-8Sodium allylsulfonate, the molecular formula is C3H5SO3Na, and the molecular weight is 144.1.Sodium allylsulfonate Chemical PropertiesMelting point 242 °C (decomp)density 1.206vapor pressure 0Pa at 25℃storage temp. Inert atmosphere,Room Temperaturesolubility soluble in Alcohol, Dimethylformamideform PowderSpecific Gravity1.25color WhiteWater Solubility 4 g/100 mLHydrolytic Sensitivity0: forms stable aqueous solutionsStability:Stable.

Products Description of N,beta-Dimethylphenethylamine hydrochloride CAS#5969-39-1A phenethylamine derivative as sympathomimetics.

Products Description of Triethylene glycol dimethacrylate CAS#109-16-0Unsaturated polyester resin (UPR) is one of the three most widely used matrix resin materials in resin-based composite materials.

Products Description of 2-Butanol CAS#78-92-2Sec-butanol is also called 2-butanol and methylethylmethanol, with the chemical formula CH3CH2CHOHCH3. Molecular weight 74.12. Colorless liquid with strong mint Chemicalbook aroma, flammable. Volatile. Optically active.

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 1,2-Diformyloxyethane CAS#629-15-2Ethylene glycol diformate is a toxic substance that is liquid at room temperature and has a special odor.

Acrylonitrile CAS#107-13-1 Acrylonitrile is a colourless, flammable liquid. Its vapours might also explode when uncovered to an open flame. Acrylonitrile does now not take place naturally. It is produced in very giant quantities through numerous chemical industries in the United States, and its requirement and demand are growing in latest years. Acrylonitrile is a closely produced, unsaturated nitrile.

Products Description of DMPT CAS#4337-33-1Dimethyl-beta-propiothetin, English name: Dimethyl-beta-propiothetin,abbreviated as: DMPT, it exists in two forms: one is dimethyl-beta-propiothetin hydrochloride (Dimethyl-beta-propiothetin hydrochloride), CAS: 4337-33-1, molecular formula C5H11SO2Cl, molecular weight 170.66.The other is dimethyl-beta-propiothetin hydrobromide (Dimethyl-beta-propiothetin hydrobromide), CAS: 20986-22-5.

Products Description of β-Nicotinamide Mononucleotide CAS#1094-61-7Nicotinamide mononucleotide, also called β-nicotinamide mononucleotide (NMN), is a synthetic substrate for coenzyme I. NMN is also used in anti-aging research. Studies have shown that β-NMN can also regulate the secretion of insulin and also affect the expression level of mRNA.