Phthalic Anhydride-manufacture,factory,supplier from China

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

Products Description of Trifluoromethanesulfonic anhydride CAS#358-23-6Trifluoromethanesulfonic anhydride is an organic compound with the chemical formula (CF3SO2)2O.

Products Description of Octenyl succinic anhydride CAS#26680-54-62-Octenylsuccinic anhydride (OSA) is an important intermediate of fine chemicals. Because its molecule contains carbon-carbon double bonds and carboxylic acid ligands, it has high chemical reactivity. Under appropriate conditions, it can undergo a series of reactions such as addition, substitution, reduction, acetification, hydrolysis and polymerization. It can synthesize a variety of derivatives.

Products Description of CIS-BUTENEDIOIC ANHYDRIDE CAS#108-31-6Maleic anhydride, also known as "maleic anhydride", is the anhydride of maleic acid. It is a colorless or white solid with a sour taste at room temperature, with a molecular formula of C4H2O3. Molecular weight 98.06. Needle-shaped crystals are obtained from chloroform or ether. Melting point 60℃, boiling point 82℃ (1.8665kPa), relative density 1.31460. Soluble in acetone, chloroform, ether, slightly soluble in petroleum ether.

Products Description of CIS-BUTENEDIOIC ANHYDRIDE CAS#108-31-6Maleic anhydride, also known as "maleic anhydride", is the anhydride of maleic acid. It is a colorless or white solid with a sour taste at room temperature, with a molecular formula of C4H2O3. Molecular weight 98.06. Needle-shaped crystals are obtained from chloroform or ether. Melting point 60℃, boiling point 82℃ (1.8665kPa), relative density 1.31460. Soluble in acetone, chloroform, ether, slightly soluble in petroleum ether.

Products Description of 1,8-Naphthalic anhydride CAS#81-84-5It precipitates needle-shaped crystals in ethanol and rhombus-shaped crystals in acetic acid.

1,4-Benzenedicarboxylic Acid, Compds. With Polyisobutenyl Succinic Anhydride-Tetraethylenepentamine Reaction Products CAS:68909-40-0Good dispersibility: It can be effectively dispersed in various solvents and matrices, which helps to improve the uniformity and stability of the product. Excellent thermal stability: It can maintain its stable performance at higher temperatures and is suitable for some high-temperature application scenarios.

Products Description of 2-DODECEN-1-YLSUCCINIC ANHYDRIDE CAS#26544-38-7Yellow liquid2-DODECEN-1-YLSUCCINIC ANHYDRIDE Chemical PropertiesMelting point 41-43 °C(lit.)Boiling point 180-182 °C5 mm Hg(lit.)density 1.00 g/mL at 20 °Cvapor density 9.2 (vs air)vapor pressure <1 mm Hg ( 20 °C)refractive index 1.477-1.479Fp 352 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility 10g/L in organic solvents at 20 ℃form clear liquid to cloudy liquidcolor Light yellow to Yellow to OrangeWater Solubility&

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

Products Description of Boric acid CAS#11113-50-1Boric acid is also called "orthoboric acid". It is derived from the interaction between natural borax (sodium borate) and acid. Soluble in water, ethanol and glycerin. The aqueous solution is acidic and is a monovalent weak acid. Solubility in water increases with temperature. Heated to 169℃ (±1℃), dehydration will produce metaboric acid, and 300℃ will form boric anhydride. Neutralize with strong base to obtain metaborate.

Products Description of Imidazolidinyl urea CAS#39236-46-9White flowing powder, hygroscopic, odorless or with a slight characteristic odor, easily soluble in water, soluble in propylene glycol and glycerin, and hardly soluble in ethanol.Imidazolidinyl urea Chemical PropertiesMelting point 141-143℃Boiling point 514.04°C (rough estimate)density 1.4245 (rough estimate)vapor pressure 0Pa at 25℃refractive index 1.6910 (estimate)storage temp. 2-8°Csolubility Soluble in water and in glycerol, but insoluble in almost all organic solvents.pka7.41±0.10(Predicted)f

Products Description of 3-Chloro-6-methylpyridazine CAS#1121-79-53-Chloro-6-methylpyridazine is a heterocyclic compound and chemical raw material. It has a low melting point and boiling point, and is usually light yellow to light beige in powder form.

Zirconium, chloro glycine hydroxy aluminum complexes CAS#90604-80-1Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of 2-Chloro-6-aminopyrazine CAS#33332-28-42-Amino-6-chloropyrazine is a chemical.CAS No.

Products Description of Aminopyrazine CAS#5049-61-6Aminopyrazine is the matrix for the four-component synthesis of imidazolidinediones, an organic synthesis intermediate and a pharmaceutical intermediat.Aminopyrazine Chemical PropertiesMelting point 118-120 °C (lit.)Boiling point 167.6°C (rough estimate)density 1.1031 (rough estimate)refractive index 1.5200 (estimate)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility soluble in Methanolpka3.22±0.10(Predicted)form Crystalline Powdercolor Slightly yellow to beigeWater Solubil

Products Description of (2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile CAS#207557-35-5 (2S)-N-Chloroacetyl-2-cyanopyrrole is a key intermediate of the dipeptidyl peptidase IV inhibitor vildagliptin (V305000)(2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile Chemical PropertiesMelting point 52-53 °CBoiling point 363.1±37.0 °C(Predicted)density 1.27±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)form Solidpka-4.65±0.40(Predicted)color Pale Yellow to Ligh

Products Description of Collagenase CAS#9001-12-1Collagenase, also known as collagenase and clostridial peptidase, is a protease obtained by fermentation of Clostridium histolyticum.Medical collagenase is refined from the culture fluid of Clostridium histolyticum ATCC21000.

Products Description of Poly(tetrahydrofuran)CAS#25190-06-1Polytetrahydrofuran is a white waxy solid that is easily soluble in alcohols, esters, ketones, aromatic hydrocarbons and chlorinated hydrocarbons, but insoluble in aliphatic hydrocarbons and water.

 Products Description of Poly(acrylic acid)CAS#9003-1-4Acrylic resin (MethylMethacrylateResin), commonly known as organic glass, is a polymer compound made from methyl methacrylate. Commonly used synthesis methods include anionic polymerization, solution polymerization, bulk polymerization, and suspension polymerization. In addition, the resin has excellent properties such as easy coloring, light weight, not easy to break, and good processing performance. Therefore, it is often used as a substitute for glass, optical lenses, lenses, etc.

Products Description of POLY(METHYLSILSESQUIOXANE) CAS#68554-70-1White powderPOLY(METHYLSILSESQUIOXANE) Chemical Propertiesdensity 1,08 g/cm3refractive index 1.42Fp >121°Csolubility Insoluble in water.form SolidSpecific Gravity1.08color Clear. White.EPA Substance Registry SystemSilsesquioxanes, Me (68554-70-1)Safety InformationRisk Statements 36/37/38Safety Statements 26-36/37/39TSCA YesFactory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of Poly(dimethylsiloxane)CAS#9016-00-6Depending on the relative molecular mass, the appearance of polydimethylsiloxane ranges from colorless and transparent volatile liquid to extremely high viscosity liquid or silica gel. It has physiological inertness, good chemical stability, electrical insulation and weather resistance, a wide viscosity range, a low freezing point, a high flash point, good hydrophobicity, and high shear resistance. It can be used for a long time at a temperature of 50 to 180°C.

POLY(METHYLSTYRENE-CO-INDENE) CAS#69430-35-9It has good thermal stability and chemical stability, and is not prone to chemical reactions under normal conditions. However, under extreme conditions such as high temperature, strong acid, and strong alkali, its chemical structure may be affected to a certain extent.