Pyromellitic Anhydride-manufacture,factory,supplier from China

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

Products Description of Pyromellitic Dianhydride CAS#89-32-7The English name of pyromellitic dianhydride is Pyromellitic Dianhydride (abbreviated as PMDA, the same below), which is mainly used to synthesize polyimide.

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.

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

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

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 1,3-bis(3-glycidoxypropyl)tetramethyldisiloxane CAS#126-80-7Colorless liquid1,3-bis(3-glycidoxypropyl)tetramethyldisiloxane Chemical PropertiesMelting point <0°CBoiling point 184 °C2 mm Hg(lit.)density 0.996 g/mL at 20 °C(lit.)refractive index n20/D 1.452Fp 110°CSpecific Gravity0.996Hydrolytic Sensitivity3: reacts with aqueous baseBRN 223966InChIInChI=1S/C16H34O5Si2/c1-22(2,9-5-7-17-11-15-13-19-15)21-23(3,4)10-6-8-18-12-16-14-20-16/h15-16H,5-14H2,1-4H3InChIKeyMFIBZDZRPYQXOM-UHFFFAOYSA-NSMILES[Si](C)(C)(

N,N-Dimethylformamide CAS# 68-12-2Dimethylformamide is a flammable colorless liquid with a fishy, unpleasant amine-like odor at yellow concentrations. The odor threshold was 0.47100 ppm. Molecular weight = 73.11; Specific gravity (H2O:1)= 0.95; Boiling point = 153℃; Freezing point/melting point = 261℃; Vapor pressure = 3mmhg at 20℃; Flash point = 58℃; Spontaneous combustion temperature = 444.5℃. The explosion limit is: LEL = 2.2%; UEL at 100℃ = 15.2%. Hazard identification (based on nfpa-704m classification system) : Health 2, flammability 2, reactivity 0. Soluble in water.

Products Description of Palmitoyl chloride CAS#112-67-4Colorless liquid. Melting point 11-12℃, boiling point 12℃, boiling point 199℃ (2.6kPa), 194.5℃ (2.27kPa). Refractive index 1.4512. Miscible with organic solvents, soluble in ether.

Products Description of TrichloroethyleneCAS#79-01-6Trichloroethylene (TCE), also known as acetylated trichloroethylene, is a colorless, slightly sweet volatile liquid and a highly soluble solvent. It is insoluble in water but soluble in organic solvents such as ethanol and ether. It is non-flammable under normal conditions.

Products Description of Furfural CAS#98-01-1Furfural is a colorless, transparent, oily liquid produced by hydrolysis and dehydration of pentosan in plant fiber raw materials. It is also called furan formaldehyde. It has a special aroma. Under light, heat, air oxidation and the action of inorganic acids, the color quickly changes to yellow-brown, and finally to dark brown. It is also easy to polymerize and become resinous. It should be stored away from light, deoxygenated and sealed.

Products Description of Potassium bromate CAS#7758-01-2Potassium bromate is an inorganic compound with the chemical formula KBrO3. It is mainly used as an analytical reagent, oxidant, and wool bleaching agent.On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference.

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 1-Methylpiperazine CAS#109-01-3Colorless liquid. Boiling point 138℃ (140℃), relative density 0.903 (20/4℃), refractive index 1.4378, flash point 42℃, soluble in water, ether, ethanol, miscible with water, methanol, etc.

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.

Cinnamic Aldehyde CAS#104-55-2 Cinnamic aldehyde is used as a flavoring agent, ingredient of fragrance in soft drinks, ice creams, dentifrices, pastries, chewing-gum, etc. It can induce both contact urticaria and delayed-type reactions. It can be implicated in contact dermatitis in those who work in the perfume industry or food handlers.

Products Description of Direct Pigment Red 122 CAS#980-26-7Pigment Red 122 is an all-around pink, it belongs to Quinacridone chemistry, application covers all kinds of polymers. Comparable with Clariant Pink E and E 01. P.R.122 has higher tinting strength than pigment violet 19, it is with excellent resistance to immigration and heat stability. PR 122 dissolves in its medium and changes color accordingly at low concentrations.