Pyromellitic Dianhydride CAS#89-32-7-manufacture,factory,supplier from China

(Total 24 Products for Pyromellitic Dianhydride CAS#89-32-7)
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 PAGOCLONE CAS#133737-32-3Pagolone is a specific GABA (Gamma-aminobutyric acid) receptor modulator that can reduce stuttering.
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Products Description of Shikonin CAS#517-89-5Shikonin (shikonin, shikonin, shikonin) is a class of natural products with naphthoquinone structure extracted from the root of Lithospermum officinale, which has anti-inflammatory, antioxidant, anti-tumor, and wound healing effects. In recent years, the anti-tumor effects of shikonin and its derivatives have been widely studied.Several in vitro and in vivo studies have shown that shikonin and its derivatives can effectively inhibit the occurrence and development of gynecological malignancies such as breast cancer and cervical cancer.
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Products Description of CARAMEL CAS#8028-89-5Caramel color is one of the food colorings with the longest history of human use. It is also the most widely used and popular food additive currently used by people. It has high color rate and strong coloring ability, reflecting the unique reddish brown color of fermented soy sauce, which is ruddy and bright. It has moderate viscosity, good solubility, high salt tolerance and stable quality.CARAMEL Chemical Propertiesdensity 1.35 g/cm3FEMA 2235 | CARAMEL COLOROdorat 100.00 %.
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Products Description of Thyroid powder CAS#50809-32-0In the early days, L-thyroxine was extracted from animal thyroid glands, but the resulting product had low purity, poor optical purity, and its production was limited by the source of animal thyroid glands. Now, chemical synthesis methods are mainly used.
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Products Description of Inositol CAS#87-89-8Myo-inositol, also known as cyclohexanol, hexahydroxycyclohexane, cyclohexitol, myo-inositol, and inositol, is one of the B vitamins. There are 9 isomers due to the different orientations of the hydroxyl groups relative to the ring plane. body, 7 of which are non-optically active and 2 are optically active (left-handed and right-handed).In the natural chemical world, it exists in all biological tissues in free or combined form. It is a common component in animal and plant cells.
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Products Description of 2-Methoxy-5-pyridineboronic acid CAS#163105-89-32-Methoxy-5-pyridineboronic acid, an organic chemical substance, molecular formula: C6H8BNO3.2-Methoxy-5-pyridineboronic acid Chemical PropertiesMelting point 135-140 °C(lit.)Boiling point 313.2±52.0 °C(Predicted)density 1.24±0.1 g/cm3(Predicted)storage temp. 2-8°Cpka7.26±0.10(Predicted)form powder to crystalcolor White to Almost whiteWater Solubility Soluble in water.BRN 9119950InChIKeyDHADXDMPEUWEAS-UHFFFAOYSA-NCAS DataBase Reference163105-89-3(CAS DataBase Reference)Safe
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Products Description of Indigo CAS#482-89-3Indigo is a vat dye with a history of more than 3,000 years. Xun Kuang's famous saying of the Warring States Period, "Blue, comes from blue and is better than blue" originated from the indigo dyeing technology at that time. "Qing" here refers to cyan, and "blue" refers to the blue grass from which indigo is made.
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Asphalt, Sulfonated, Odium Salt CAS#68201-32-1In drilling fluid, it can inhibit shale hydration and expansion, prevent shale from exfoliation and collapse, stabilize the well wall, and improve plugging effect. It can improve the performance of drilling fluid and ensure the smooth progress of drilling operations.
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Products Description of Sodium cocoyl isethionate CAS#61789-32-0Sodium Cocoyl Isethionate (SCI) is a mild, foaming and highly stable anionic surfactant. SCI has excellent hard water resistance, very low toxicity and good biodegradability.
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Products Description of Sodium carboxymethyl cellulose CAS#9004-32-4Sodium carboxymethylcellulose (CMC) is a carboxymethylated derivative of cellulose, also known as cellulose gum. It is an anionic cellulose ether and the main ionic cellulose gum. It is usually an anionic polymer compound obtained by reacting natural cellulose with caustic soda and monochloroacetic acid. The molecular weight of the compound ranges from several thousand to millions. CMC is a white or milky white fibrous powder or granule with a density of 0.5-0.7 g/cm3. It is almost odorless and tasteless and hygroscopic.
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Products Description of DL-Menthol CAS#89-78-1 Menthol is a chemical agent. It is extracted from the leaves and stems of mint. It is a white crystal with a molecular formula of C10H20O. It is the main component of mint and peppermint essential oils. In the world, China and Brazil are the main natural mint producers, and the annual output of mint oil reaches 2000-3000 tons. Menthol and racemic menthol can be used as flavoring agents for toothpaste, perfume, beverages and candies.
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Products Description of Imidazole CAS#288-32-4Imidazole, with the molecular formula C3H4N2, is an organic compound and a type of diazoles. It is a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in the molecular structure.
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Products Description of Alginic acid CAS#9005-32-7Alginic acid is a viscous organic acid, also known as alginic acid and alginic acid. The product is white to light yellow-brown powder. The average molecular weight is about 240,000. Melting point>300℃. It is slightly soluble in hot water, and the viscosity of its aqueous solution is 4 times higher than that of starch. It is insoluble in cold water and organic solvents, and slowly dissolves in alkaline solutions.
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Products Description of Butyl acrylate CAS#141-32-2Butyl acrylate is mainly used to make polymer monomers for fibers, rubbers, and plastics. It is used in the organic industry to make adhesives, emulsifiers, and as an organic synthesis intermediate.It is used in the papermaking industry to make paper reinforcing agents. It is used in the coating industry to make acrylic coatings. Butyl acrylate (butyl acrylate) is the most important variety of acrylic esters.
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Products Description of Imidazole CAS#288-32-4 Imidazole, with the molecular formula C3H4N2, is an organic compound, a type of diazole, and a five-membered aromatic heterocyclic compound containing two meta-nitrogen atoms in the molecular structure. The unshared electron pair of the 1-nitrogen atom in the imidazole ring participates in the cyclic conjugation, and the electron density of the nitrogen atom is reduced, making it easy for the hydrogen on this nitrogen atom to leave in the form of hydrogen ions.Imidazole is acidic and alkaline, and can form salts with strong bases.
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Products Description of 2-[(4-Aminophenyl)sulfonyl]ethyl hydrogen sulfate CAS#2494-89-5White crystals. Soluble in water, insoluble in ethanol, ether and benzene.
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Products Description of Ethyltriphenylphosphonium bromide CAS#1530-32-1Ethyltriphenylphosphonium bromide is a chemical product with the molecular formula C20H20BrP.Ethyltriphenylphosphonium bromide Chemical PropertiesMelting point 203-205 °C(lit.)Boiling point 240℃[at 101 325 Pa]density 1.38[at 20℃]vapor pressure 0-0.1Pa at 20-25℃Fp 200 °Cstorage temp. Inert atmosphere,Room Temperaturesolubility 174g/l solubleform Crystalline Powdercolor White to off-whiteWater Solubility 120 g/L (23 ºC)Sensitive HygroscopicBRN 3599630I
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Products Description of Sodium benzoate CAS#532-32-1In 1870, when British scientist H. Fleck was looking for an acid to replace the well-known salicylic acid, he first described the antiseptic effect of benzoic acid. He established the antiseptic effect of this substance. Since the safety research of sodium benzoate was not in-depth at that time and the production technology was not mature enough, it was not used for food preservation until the beginning of this century. Since then, it has become one of the most used preservatives in the world because of its low price.
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Epichlorohydrin CAS# 106-89-8Epichlorohydrin is a sort of organochlorine compound as properly as epoxide. It can be used as an industrial solvent. It is a exceptionally reactive compound, and can be used for the manufacturing of glycerol, plastics, epoxy glues and resins, and elastomers. It can additionally be used for the manufacturing of glycidyl nitrate and alkali chloride, used as the solvent of cellulose, resins, and paint as properly as being used as an insect fumigant.
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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
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Products Description of 2-Acrylamide-2-methylpropanesulfonic acid CAS#15214-89-82-Acrylamido-2-methylpropanesulfonic acid (AMPS) is a water-soluble sulfonic acid group with strong anionic properties, which makes it salt-resistant, high-temperature-resistant, dye-affinity, conductive, ion-exchangeable and highly tolerant to divalent cations; the amide group makes it have good hydrolysis stability, acid and alkali resistance and thermal stability; and the active double bond makes it have addition polymerization properties, and it can produce copolymers with a variety of hydrocarbon monomers
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Products Description of Ethylamine-borontrifluorideCAS#75-23-0Boron trifluoride ethylamine is mainly used as a latent curing agent for epoxy resin.Ethylamine-borontrifluoride Chemical PropertiesMelting point 85-89 °C(lit.)Boiling point 148°C/1mmHg(lit.)density 1,38 g/cm3Fp 157°Cstorage temp. 2-8°Cform solidcolor White to Light yellowPHpH(50g/l, 25℃) : 4.0~5.6Water Solubility Reacts with water.Sensitive Moisture SensitiveBRN 3672802Exposure limitsACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3InChIInChI=1S/C2H6BF3N/c1-2-7-3(4,5)6/h7H,2H2,1H3
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Products Description of 3-Ethyl-3-oxetanemethanolCAS#3047-32-3Mainly used for UV polymerization, synthesis of coatings and resins.
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Global Market Insights: Industrial-Grade Acetic Acid (CAS#64-19-7) - Trade Dynamics and Chemical ProfilingIntroduction: The chemical industry is at the forefront of global innovation, and acetic acid (CAS#64-19-7), a key player in this sector, is no exception. This article delves into the current state of the global market for industrial-grade acetic acid, recent developments, trade patterns, and the chemical properties that define its utility.Market Overview:The global acetic acid market, valued at over $1.1 billion in 2016, is projected to witness a CAGR of more than 6% from 2017 to 2024.
CAS# 618107-90-7 IntroductionThe compound 2-amino-5-iodo-pyridin-3-yl-methanol, also known as CAS# 618107-90-7, is a chemical compound that falls under the category of pyridine derivatives. Pyridine derivatives are a class of organic compounds that are widely used in the chemical industry for various applications such as pharmaceuticals, agrochemicals, and specialty chemicals.CAS# 618107-90-7 SynthesisThe synthesis of 2-amino-5-iodo-pyridin-3-yl-methanol is a multi-step process that involves several chemical reactions.
Insights into the Global Dimethyldisulfide (CAS#624-92-0) MarketIn the dynamic world of chemical manufacturing, Dimethyldisulfide (DMDS), with the CAS number 624-92-0, stands out as a critical compound with a variety of applications across different industries.
cas 31075-24-8 IntroductionMayosperse 60 is a chemical compound with the CAS#31075-24-8. It is a widely used dispersant in the chemical industry, especially in the field of coatings and paints. In this article, we will explore the properties and applications of Mayosperse 60.cas 31075-24-8 PropertiesMayosperse 60 is a high-performance dispersant with excellent stability and compatibility. It is a low viscosity liquid with a light yellow color. Its molecular weight is about 4000, and it has a hydrophobic tail and a hydrophilic head.
Calcium chloride, CAS#10043-52-4, as a common chemical substance, plays an indispensable role in numerous industries due to its unique physical and chemical properties.In the road construction and maintenance industry, Calcium chloride, CAS#10043-52-4 is the "guardian" of winter road safety. In winter, in the northern regions of the United States, Calcium chloride, CAS#10043-52-4 is often used as a de-icing agent. It is spread on the roads to quickly melt the snow and prevent ice formation, ensuring traffic safety.
Market Overview:The market for glycerin, also known as glycerine (CAS#56-81-5), and veg glycerin has experienced significant price fluctuations in recent weeks.
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.
39771-34-1 Introduction4-Amino-2,6-dibromopyridine (CAS#39771-34-1) is a chemical compound that belongs to the pyridine family. It is a pale yellow crystalline solid that is soluble in water and organic solvents. This compound is widely used in the pharmaceutical and agrochemical industries due to its diverse biological activities.
In the world of chemicals, Sodium Carbonate (CAS 497 - 19 - 8) continues to play a pivotal role across various industries. As a key chemical compound, it is drawing attention from manufacturers, suppliers, and end - users globally.Innovation in R&DLeading Sodium Carbonate manufacturers around the globe are constantly pushing the boundaries of innovation. Solvay, a renowned name in the chemical industry, is currently researching a more eco - friendly and efficient production process for Sodium Carbonate.
CAS#433711-95-6 IntroductionThe chemical compound (2-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester, also known as CAS#433711-95-6, is a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. This compound is widely used in the chemical industry due to its unique properties and versatile applications.
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