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 Polysorbate 20 CAS#9005-64-5Appearance: amber viscous liquid, with slight special odor, slightly bitter taste. Relative density is 1.08-1.13, boiling point is 321℃. Soluble in water, ethanol, methanol and ethyl acetate, insoluble in mineral oil and petroleum ether. HLB value is 16.7. Oral LD50 of rats is 37g/kg, Adl0-25mg/kg (FAO/WHO, 1994).

Products Description of Antioxidant 168 CAS#31570-04-4Antioxidant 168 is a phosphite antioxidant with excellent performance. It has strong extraction resistance, is stable against hydrolysis, and can significantly improve the light stability of products. It can be used in combination with a variety of phenolic antioxidants. . For example, Cyanox2777 developed by the American company Cyanamid is a compound of antioxidant 168 and phenolic antioxidant 1790. The combined use of phosphite and phenolic antioxidants can give full play to the synergistic effect.

Products Description of Resin epoxy CAS#24969-06-0Epoxy resin is a high-performance polymer widely used in coatings, adhesives, and composite materials due to its superior adhesion, chemical resistance, and electrical insulation. With a robust track record in industrial collaborations, it has been instrumental in automotive, aerospace, and construction projects, enhancing product durability and performance. Academically, it drives innovation in material science, pushing the boundaries of material development.

Methylcyclopentadienyl Manganese Tricarbonyl CAS# 12108-13-3Manganese, tricarbonyl methylcyclopentadienyl is a dark orange liquid. Faintly pleasant, herb-like odor. Molecular weight= 218.10;Boiling point=232℃; Freezing/Melting point=18℃; Flash point=74℃; 96℃. Hazard Identification (based on NFPA-704 M Rating System): Health 3, Flammability 0, Reactivity 0.

Products Description of METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL CAS#220641-87-2N-Methyltetrahydro-2H-pyran-4-amine is a pharmaceutical intermediate, which can be prepared by reductive amination reaction of tetrahydro-4H-pyran-4-one and methylamine.METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL Chemical PropertiesBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Cpka10.01±0.20(Predicted)form liquidcolor Clear, colourlessBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/c

Products Description of Phthalonitrile CAS#91-15-6Aromatic nitrile compounds such as phthalonitrile are very important organic synthesis intermediates, which are widely used in medicines, pesticides, herbicides, insecticides, dyes, fragrances and natural products.

Potassium clavulanate CAS# 61177-45-5Product Overview:Potassium Clavulanate, also known as CLAVULANIC ACID POTASSIUM SALT with the CAS#61177-45-5, is a potent β-lactamase inhibitor that is revolutionizing the way we combat bacterial infections in the industrial pharmaceutical sector. As a key component in the synthesis of advanced antibiotics, our Cellulose Clavulanate is designed to meet the rigorous demands of modern manufacturing processes.Market Relevance:In the competitive landscape of the pharmaceutical industry, the need for effective antibacterial agents is paramount.

Products Description of N-Isopropylbenzylamine CAS#102-97-6N-Benzylisopropylamine can be used as an intermediate in the synthesis of compounds and as a precursor in the production of certain drugs. Due to its similarity in appearance and physical properties to methamphetamine, it has been included in the DEA's consideration in recent years. N-Benzylisopropylamine forms an amine adduct with magnesium in toluene at room temperature. Using N-Benzylisopropylamine as a ligand, bis(cyclopentadienyl)magnesium was prepared and characterized.

Products Description of N,N'-Carbonyldiimidazole CAS#530-62-1N,N′-Carbonyldiimidazole (CDI for short) is a derivative of imidazole. Its imidazole structure has a closed large P bond, and one of the nitrogen atoms has a lone pair of electrons in the unbonded sp2 orbital. These determine that CDI has strong chemical reactivity and can react with functional groups such as ammonia, alcohol, and acid to synthesize many compounds that are difficult to obtain by general chemical methods.

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

Products Description of Ammonium sulfate CAS#7783-20-2Ammonium sulfate, also known as ammonium sulfate, is the earliest nitrogen fertilizer produced and used at home and abroad. It is usually regarded as a standard nitrogen fertilizer with a nitrogen content of 20% to 30%. Ammonium sulfate is a salt of strong acid and weak base, and its aqueous solution is acidic. Ammonium sulfate is a nitrogen fertilizer and an acidic fertilizer among inorganic fertilizers. Long-term single use will cause soil acidification and hardening, which needs to be improved.

Products Description of Sodium sulfate CAS#7757-82-6Sodium sulfate is an important chemical raw material and the main raw material for producing chemical products such as sodium sulfide and sodium silicate. Sodium sulfate is also called glauber's salt, anhydrous sodium sulfate, and anhydrous sodium sulfate. White monoclinic crystals are fine crystals or powders. Relative density is 2.68, melting point is 884℃. Soluble in water, and the aqueous solution is neutral. Soluble in glycerol, insoluble in ethanol, exposed to air, it easily absorbs water to become hydrated sodium sulfate.