Pyromellitic Dianhydride-manufacture,factory,supplier from China

(Total 24 Products for Pyromellitic Dianhydride)
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.
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Products Description of Shellac CAS#9000-59-3 Shellac flakes, also known as shellac paint flakes or purple film flakes, are obtained by melting shellac raw glue or dissolving it with solvents to remove impurities. The color depth of the shellac paint flakes produced varies according to different requirements. Shellac paint flakes are a biological product used on furniture and home interior paint. They are free of pollutants, non-irritating odor, non-toxic, and non-allergic to the skin. They are a high-end paint.
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Products Description of Melamine CAS#108-78-1Melamine, commonly known as "melamine", "protein essence" and "melamine (Pinyin: mì'àn)", is a triazine nitrogen-containing heterocyclic organic compound, often used as a chemical raw material. It is a white monoclinic crystal, almost odorless, slightly soluble in water (3.1g/L at room temperature), soluble in formaldehyde, acetic acid, hot ethylene glycol, glycerin, pyridine, etc., insoluble in acetone and ethers, harmful to the body, and cannot be used in food processing or food additives.
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Products Description of Vinylbenzyl chloride CAS#30030-25-2Chloromethylvinylbenzene can be used as an organic synthesis intermediate and a pharmaceutical intermediate, mainly used in laboratory research and development processes and chemical production processes.Vinylbenzyl chloride Chemical PropertiesMelting point -30°CBoiling point 229 °C(lit.)density 1.074 g/mL at 25 °C(lit.)vapor density 5.3 (vs air)vapor pressure 1 mm Hg ( 56.1 °C)refractive index n20/D 1.572(lit.)Fp 221 °Fstorage temp. -20°Csolubility Acetonitrile (Slightly
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Products Description of Benzalkonium chloride CAS#63449-41-2Benzalkonium chloride is a cationic surfactant and a non-oxidizing fungicide. It has a broad spectrum and high efficiency in killing bacteria and algae. It can effectively control the reproduction of bacteria and algae and the growth of slime in water. It has good slime stripping effect and certain dispersion and penetration effects. It also has certain degreasing, deodorizing and corrosion inhibition effects.
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Products Description of Benzalkonium Chloride CAS#63449-41-2Benzalkonium chloride is a cationic surfactant and a non-oxidizing fungicide. It has a broad spectrum and high efficiency in killing bacteria and algae. It can effectively control the reproduction of bacteria and algae and the growth of slime in water. It has good slime stripping effect and certain dispersion and penetration effects. It also has certain degreasing, deodorizing and corrosion inhibition effects.
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Products Description of Cyanuric chloride CAS#108-77-0Cyanuric chloride is an organic compound with the molecular formula C3Cl3N3. It is an important fine chemical product with a wide range of uses. It is an intermediate in the pesticide industry and a raw material for manufacturing reactive dyes. It can be used as various auxiliaries in organic industrial production. Agents, such as fluorescent whitening agents, textile anti-shrunk agents, surfactants, etc., are rubber accelerators and one of the raw materials used in the manufacture of explosives for national defense.
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Products Description of Choline chloride CAS#67-48-1Choline chloride was developed by the Agricultural Technology Institute of the Ministry of Agriculture, Forestry and Fisheries of Japan in 1964, and registered as a plant growth regulator in 1987. It also became vitamin B4. Common choline chlorides on the market are divided into plant-carrier choline chloride and white carbon black (silicon dioxide) as a carrier choline chloride. my country's production is about 400,000 tons, accounting for more than 50% of the global production capacity.
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SCANDIUM CHLORIDE CAS#10361-84-9Overview:Scandium Chloride, with the chemical formula ScCl3 and CAS number 10361-84-9, is a significant industrial chemical known for its unique properties and wide range of applications.
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Products Description of N-(n-Butyl)thiophosphoric triamide CAS#94317-64-3A highly effective inhibitor of urokinase activityN-(n-Butyl)thiophosphoric triamide Chemical PropertiesMelting point 58-60°CBoiling point 277.4±23.0 °C(Predicted)density 1.171±0.06 g/cm3(Predicted)vapor pressure 0.001-1.7Pa at 25℃Fp 96°Cstorage temp. Keep in dark place,Inert atmosphere,2-8°Csolubility DMSO (Sparingly), Methanol (Slightly)form Solidpka6.23±0.70(Predicted)color White to Off-WhiteWater Solubility 4.3 g/L at 25 ºCSensitive StenchInChIKeyHEPPIYNOUFWE
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Products Description of Nicotinamide Mononucleotide CAS#1094-61-7Nicotinamide mononucleotide, also known as β-nicotinamide mononucleotide (NMN), is a synthetic substrate of coenzyme I. At the same time, NMN is also used in anti-aging research. Studies have shown that β-NMN can also regulate the secretion of insulin and affect the expression level of mRNA. β-NMN has broad application prospects in the field of medical treatment. β-Nicotinamide mononucleotide is a product of the extracellular nicotinamide phosphoribosyltransferase (eNAMPT) reaction and a key NAD+ intermediate.
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Products Description of Monomethylaniline CAS#100-61-8N-methylaniline is the main product in the N-alkyl aromatic amine series and an important intermediate in fine chemicals. Very versatile. my country's first set of production equipment was built with the aid of the former Soviet Union in the 1950s. The products are mainly used to make explosive centralizers and are often used to blend straight-run Chemicalbook gasoline.
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Products Description of Titanium tetrachloride CAS#7550-45-0Titanium tetrachloride is the most important titanium halide and an important raw material for the production of titanium sponge and chloride-process titanium dioxide. Pure titanium tetrachloride is a colorless, transparent, high-density, non-conductive liquid with a chemical formula of TiCl4 and a relative density of 1.726. The melting point is -25°C and the boiling point is 136.4°C. It has a pungent sour taste and is easily hydrolyzed, generating white smoke in humid air. It dissolves in water and decomposes at the same time.
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DIOLEYL PHOSPHONATE CAS#64051-29-2Among various lubricants, dioleyl phosphonates can improve the anti-wear and load-bearing capacity of lubricants, reduce friction coefficient, lower equipment operating temperature, and improve equipment reliability and life. Adding to fuel can improve fuel combustion performance, reduce engine wear and carbon deposition, and reduce exhaust emissions.
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Products Description of Formaldehyde CAS#50-00-0Formaldehyde is the simplest aldehyde molecule with active chemical properties and certain toxicity. At room temperature, it is a colorless gas with a pungent odor, which easily undergoes polymerization to form polyformaldehyde. Formaldehyde is easily soluble in water, alcohol and other organic solvents.
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Products Description of Tetrabutylammonium hydroxide CAS#2052-49-5Tetrabutylammonium hydroxide is an organic compound with the chemical formula C16H37NO.
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Products Description of Casein CAS#9000-71-9 Casein is the main protein in the milk of mammals, including cows, sheep and humans. The protein in milk is mainly casein, while human milk is mainly albumin. Casein is a large, hard, dense, and extremely difficult to digest and decompose curd.Casein is the highest content protein in milk. It is currently mainly used as a food raw material or microbial culture medium.
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Products Description of POTASSIUM TITANATE CAS#12030-97-6Potassium titanate is a white solid with a relative density of 3.1 and a melting point of 1515°C.
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Products Description of Potassium methoxideCAS#865-33-8Potassium methoxide is an alcohol salt of methanol and potassium counter ion, and is used as a strong base and catalyst for transesterification reactions, especially for the production of biodiesel. Potassium methoxide includes liquid potassium methoxide and solid potassium methoxide. The liquid product is a colorless or slightly yellow, viscous methanol solution with a potassium methoxide content of about 28%-32%; the solid product is a light yellow powder with a potassium methoxide content of about 95%-97%.
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Products Description of Crospovidone CAS#25249-54-1Cross-linked polyvinyl pyrrolidone (PVPP) is a cross-linked polymer that is insoluble in water, strong acids, strong bases and general organic solvents and is polymerized under specific conditions by vinyl pyrrolidone monomers.
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Hexane CAS# 110-54-3Hexane is a incredibly flammable, colorless, volatileliquid with a gasoline-like odor. The water/odor threshold is0.0064 mg/L and the air/odor threshold is 230- 875 mg/m'Molecular weight= 86.20; Specific gravity (H2O:1)= 0.66; .Boiling factor = 68.9℃; FreezingMelting point= -139.49C; .Relative vapordensity (air= 1)= 3.0; V aporpressure = 124 mmHg at 20℃; Flash point=一21.6℃ (cc);Autoignition temperature = 225℃.Explosivelimits: .LEL= 1.1%, UEL= 7.5%.
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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.
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Products Description of Terbinafine CAS#91161-71-6 Terbinafine hydrochloride can treat skin, hair and nail infections caused by Trichophyton, Microsporum canis and Epidermophyton floccosum. It can also treat various tinea, skin yeast infections caused by Candida, and onychomycosis caused by mold.
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Products Description of Glyphosate CAS#1071-83-6Glyphosate is an organophosphorus herbicide, a highly effective, low-toxic, broad-spectrum herbicide with systemic conduction. This product dissolves the wax layer on the surface of the leaves, branches and stems of weeds, and the drug effect quickly enters the plant conduction system to produce effects, causing the weeds to wither and die. It can effectively control annual and biennial grasses, sedges and broad-leaved weeds, and has a good control effect on perennial weeds with bad habits such as thatch, cyperus and bermudagrass.
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Relate News
Table of Funny Chemistry StoriesOld new sealPure blue ink and blue-black inkFind a "coat" for the bookBallpoint pen or ballpoint penFour Color Ball StampsThe "natural enemy" of glassThe "Haunted" StoryNational football - our prideFlash in the darkReferenceSodium Propionate CAS 137-40-6Old new sealThere is a batch of ancient paintings that have become grayish yellow and dull, but the seals on them are bright red, like new ones.
2-ACP Introduction2-ACP, is a chemical compound with the molecular formula C6H6ClN2. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals. In this article, we will discuss the properties, applications, and synthesis of 2-ACP.2-ACP Properties1. Physical Properties: 2-ACP is a white to off-white crystalline powder with a melting point of 110-114℃. It is soluble in organic solvents such as ethanol, methanol, and acetone, but insoluble in water.2. Chemical Properties: 2-ACP is a heterocyclic compound containing a pyridine ring and an amino group.
2-(Methylamino)pyridine IntroductionIt, also known as MAP, is a chemical compound with the molecular formula C6H8N2. It is commonly used in the pharmaceutical and chemical industries as a building block for various drugs and chemicals. In this article, we will explore the properties, applications, and synthesis of 2-(Methylamino)pyridine.2-(Methylamino)pyridine Properties1. Physical properties: it is a colorless to pale yellow liquid with a pungent odor. It has a boiling point of 208-209°C and a melting point of -35°C.2.
Breaking News: Glycerin Market Projected to Reach US$ 3.2 Billion by 2032The global glycerin market is experiencing significant growth, with IMARC Group's recent report predicting the market to reach US$ 3.2 Billion by 2032, exhibiting a CAGR of 4.9% during 2024-2032 .
Glycerin: A Versatile Compound with Numerous ApplicationsGlycerin, also known as glycerol, is a simple polyol compound with a sweet taste and syrupy texture. It is widely used in various industries, including cosmetics, pharmaceuticals, and food. Due to its unique properties, such as being hygroscopic (attracting water) and non-toxic, glycerin has become an indispensable ingredient in many products.Glycerin in CosmeticsMoisturizer: Glycerin is one of the most effective humectants, drawing moisture from the air and into the skin.
Citric Acid Anhydrous CAS#77-92-9: Industry News and ApplicationsCitric Acid Anhydrous, with the chemical abstract service number 77-92-9, is a multifunctional organic acid that has gained significant attention in various industries. Here's a curated overview of the latest news and developments surrounding Citric Acid Anhydrous:Industry Applications: Citric Acid Anhydrous is recognized for its diverse applications across industries.
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
Dextran refers to a homopolysaccharide composed of glucose as a monosaccharide. The difference in the length of the dextran chain determines its different medicinal value. Long-chain dextran is usually a blood volume expansion drug with a molecular weight of tens of thousands to hundreds of thousands; while short-chain dextran can be complexed with ferric hydroxide , made of iron dextran, that is, iron dextran.What is Dextran?Dextran is a high-molecular glucose polymer synthesized from sucrose catalyzed by dextran sucrase (dextransucrase EC2.4.1.5) produced by Leuconostocmesenteroides.
Recent News Summary on AntioxidantsHealth and Disease Mechanisms: A comprehensive understanding of the mechanisms of antioxidant action in health and disease has been discussed in a recent study, highlighting the role of oxidative stress in various human diseases and the potential of antioxidants as therapeutic agents .Advances in Antioxidant Research: Recent developments in the field of antioxidants have focused on the structure and antioxidant properties of various compounds.
New Use of Poly-L-lactic Acid as Shape Memory MaterialBackground techniqueBiopolymer is an important medical polymer material with good biodischarge and bioabsorbability advantages. It has been widely used in outdoor fixation, tissue engineering stents, operation lines, drug control, etc. Polylactic acid is usually synthesized by the ring polymerization method of lactide. According to the difference of optical ring-opening polymerization, the lactide properties are divided into D-lactide properties, L-lactide properties and DL-lactide properties.
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