Prespersion-manufacture,factory,supplier from China

(Total 24 Products for Prespersion)
Products Description of Poly(methyl methacrylate)CAS#9011-14-7Polymethyl Methacrylate (PMMA) is a high molecular polymer, also known as acrylic or organic glass. It has the advantages of high transparency, low price, and easy machining. It is a commonly used glass substitute material.On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens for reference.
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Products Description of 3-Methoxythiophene CAS#17573-92-13-Methoxythiophene is an important intermediate in organic synthesis.3-Methoxythiophene Chemical PropertiesMelting point 49-50 °C(Solv: ethyl ether (60-29-7); ligroine (8032-32-4))Boiling point 80-82 °C/65 mmHg (lit.)density 1.143 g/mL at 25 °C (lit.)refractive index n20/D 1.532(lit.)Fp 121 °Fstorage temp. Keep in dark place,Inert atmosphere,2-8°Cform Liquidcolor Clear light brownSensitive Air SensitiveBRN 106404LogP1.810 (est)CAS DataBase Reference17573-92-1(CAS DataB
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Products Description of 3,5-Pyridinedicarboxylic acid CAS#499-81-03,5-Pyridinedicarboxylic Acid, English name 3,5-Pyridinedicarboxylic Acid, is a chemical substance with molecular formula: C7H5NO4.3,5-Pyridinedicarboxylic acid Chemical PropertiesMelting point >300 °C (lit.)Boiling point 295.67°C (rough estimate)density 1.5216 (rough estimate)refractive index 1.6280 (estimate)storage temp. Sealed in dry,Room Temperaturesolubility 1.0g/lform Powderpka2.8(at 25℃)color White to almost whiteWater Solubility insolubleBRN 131640InChIInChI=1S/C
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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.
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Products Description of Benzyltributylammonium bromide CAS#25316-59-0Benzyl tributylammonium bromide is an organic substance with the chemical formula C19H34BrN, a white powder.
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Products Description of Benzyltributylammonium bromide CAS#25316-59-0Benzyl tributylammonium bromide is an organic substance with the chemical formula C19H34BrN, a white powder.
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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 Dodecyltrimethylammonium Chloride CAS#112-00-5Dodecyltrimethylammonium Chloride is a cationic surfactant that can be used to form nanocapsules.
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Products Description of Stannous chloride dihydrate CAS#10025-69-1Stannous chloride, chemical formula SnCl2, is also called tin dichloride. There are anhydrous and hydrated substances. The former is transparent crystals with a melting point of 246℃, a boiling point of 652℃, and a relative density of 3.95. It is soluble in water and oxidized in the air to form insoluble chloride oxides. It is hydrolyzed in water to form basic stannous chloride 〔Sn(OH)Cl〕precipitate.
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Products Description of Benzethonium chloride CAS#121-54-0Benzethonium chloride is a new type of quaternary ammonium salt antibacterial agent, which is widely used in daily chemicals and cosmetics industries. In addition, it also has important applications in the medical and health fields as a bactericidal antibacterial agent. For example, it has been widely used as an antibacterial component of eye drops or as an antibacterial component of injection in Western countries.
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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 Chromic chloride hexahydrate CAS#10060-12-5Purple monoclinic crystal. Relative density 1.76. Melting point 83℃. Soluble in water, ethanol, slightly soluble in acetone, insoluble in ether. Deliquescent. Toxic!Chromic chloride hexahydrate Chemical PropertiesMelting point 83 °Cdensity 1.76 g/mL at 25 °C(lit.)storage temp. Inert atmosphere,Room Temperaturesolubility Methanol (Slightly), Water (Slightly)form Powder/SolidSpecific Gravity1.76color Reddish-violetPH2.0-3.0Water Solubility Soluble in water and alcohol.
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Products Description of Tetradecyldimethylbenzylammonium chloride CAS#139-08-2Benzyldimethyltetramethylammonium chloride is a quaternary ammonium salt used for eye care or treatment of eye diseases. It is an ion association reagent for extraction photometric analysis and a sensitizer for metal photometric determination. It can be dissolved in water and ethanol in any proportion, and can be used with cationic, nonionic surfactants or dyes at the same time. It should not be used with anionic surfactants or additives.
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 Products Description of Benzalkonium chloride CAS#8001-54-5Benzalkonium chloride (BAC for short) is a quaternary ammonium salt compound. As a broad-spectrum fungicide of cationic surfactants, it can effectively control the growth of algae and slime in water, and 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 Tetradecyldimethylbenzylammonium chloride CAS#139-08-2Benzyldimethyltetramethylammonium chloride is a quaternary ammonium salt used for eye care or treatment of eye diseases. It is an ion association reagent for extraction photometric analysis and a sensitizer for metal photometric determination. It can be dissolved in water and ethanol in any proportion, and can be used with cationic, nonionic surfactants or dyes at the same time. It should not be used with anionic surfactants or additives.
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2,3,4,6-Tetra-O-benzyl-D-glucopyranose Chemical PropertiesMelting point 145-149 °C(lit.)Boiling point 672.4±55.0 °C(Predicted)density 1.22±0.1 g/cm3(Predicted)storage temp. Sealed in dry,Store in freezer, under -20°Csolubility Soluble in chloroformpka11.87±0.70(Predicted)form Solidcolor White to Off-Whiteoptical activity[α]20/D +49±2°, c = 2% in dioxaneInChIKeyOGOMAWHSXRDAKZ-BKJHVTENSA-NSMILESOC1O[C@H](COCC2=CC=CC=C2)[C@@H](OCC2=CC=CC=C2)[C@H](OCC2=CC=CC=C2)[C@H]1OCC1=CC=CC=C1CAS DataBase Reference4132-28-9(CAS DataBase Reference)Safety InformationHazard
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O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine CAS#6723-30-4O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine Chemical PropertiesMelting point 34-37 °C (lit.)Boiling point 81 °C/20 mmHg (lit.)density 1.1274 (rough estimate)refractive index 1.4206 (estimate)Fp 180 °Fstorage temp. Keep in dark place,Inert atmosphere,Store in freezer, under -20°Csolubility DMSO (Slightly), Methanol (Slightly)pka3.28±0.20(Predicted)form Low Melting Solidcolor WhiteSafety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3HS
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Products Description of 4,4'-Diphenylmethane diisocyanate CAS#101-68-8Pale yellow molten solid with a strong pungent odor.
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Products Description of Guanidine thiocyanate 99.5%CAS#593-84-0Guanidine thiocyanate can be used as a biochemical reagent and pharmaceutical intermediate.
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Products Description of Tannic acid CAS#1401-55-4This product is a light yellow to light brown powder with a special odor and an extremely astringent taste; soluble in 1 part of water or ethanol, soluble in acetone, and insoluble in chloroform or ether.Tannic acid Chemical PropertiesMelting point 218 °C (lit.)Boiling point 862.78°C (rough estimate)density 1.2965 (rough estimate)refractive index 1.7040 (estimate)FEMA 3042 | TANNIC ACID (QUERCUS SPP.)Fp 198°Cstorage temp. Storage temperature: no restrictions.solubility ethanol: soluble100mg/mL, yellow
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Products Description of 2-Thiophenecarboxylic acid CAS#527-72-02-Thiophenecarboxylic acid is a kind of colorless crystal.
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Products Description of Oleic acid CAS#112-80-1Insoluble in water, soluble in benzene, chloroform, miscible with methanol, ethanol, ether and carbon tetrachloride. Because it contains double bonds, it is easily oxidized by air, producing an unpleasant odor and turning yellow. When treated with nitrogen oxides, nitric acid, mercurous nitrate and sulfurous acid, it can be converted into oleic acid. When hydrogenated, it becomes stearic acid. The double bonds can easily react with halogens to form halogenated stearic acid.
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Products Description of Isonicotinic acid CAS#55-22-1Isonicotinic acid is also known as pyridine-4-carboxylic acid. White needle-shaped crystals. Odorless, can sublime. Molecular weight 123.11. Melting point 319℃. Slightly soluble in cold water, soluble in hot water, insoluble in alcohol, benzene, ether. It is an amphoteric compound, soluble in both acid and alkali. Soluble in hot water and ethanol, slightly soluble in cold water and ether.
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Products Description of OXALIC ACID CAS#68603-87-2Oxalic acid standard solution is mostly used for quantitative detection of oxalic acid content in food and medicine. For example, oxalic acid standard solution can be used to determine the oxalic acid content in edible mushroom broth.
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Relate News
Sodium Lauryl Sulfate (SLS)Sodium Lauryl Sulfate (CAS No.: 751-21-3), is a white or light yellow slightly sticky substance, which is often used in the detergent and textile industries in industry. It is an anionic surfactant.
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.
Hydroxyethylidene diphosphonic acid characteristics:HEDP(Hydroxyethylidene Diphosphonic Acid) is an organic phosphoric acid and corrosion inhibitor, which can form stable complexing agent with iron, copper, zinc and other metal ions, and can dissolve oxides on the metal surface. HEDP can still play a good role in corrosion and scale inhibition at 250°C, is still very stable at high pH values, not easy to be hydrolyzed, and not easy to decompose under general light and heat conditions.
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.
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.
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.
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.
The sugar that people often eat in daily life is extracted from sugarcane, sugar beet and other plants. There are also some substances in the plant kingdom that are sweeter than sucrose. Stevia, native to South America, is 200 to 300 times sweeter than sucrose; the West African bamboo skewers in the tropical forests of Africa are 3000 times sweeter than sucrose; there is also a vine plant of Dioscorea nigra with the sweetness of the fruit. 90,000 times that of sucrose.However, these substances, which are thousands of times sweeter than sucrose, are rarely seen.
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.
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