Thiophenecarboxylicacid-manufacture,factory,supplier from China

(Total 24 Products for Thiophenecarboxylicacid)
Products Description of Potassium phosphate CAS#778-53-21-Ethyl-2-pyrrolidone is a transdermal absorption-enhancing compound and mechanism of its effect on multilammellar liposome of stratum corneum lipid has been studied.N-Ethyl-2-pyrrolidone is commonly used as a solvent. It has a low boiling point, which makes it suitable for use in low light and at constant pressure. It is also used as an intermediate in the preparation of polycarboxylic acid.
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Products Description of 1,3-Dioxan-2-one CAS#2453-03-4Used to synthesize polytrimethylene carbonate (PTMC)1,3-Dioxan-2-one Chemical PropertiesMelting point 45.0 to 49.0 °CBoiling point 135°C/4mmHg(lit.)density 1.200±0.06 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility soluble in Methanolform powder to crystalcolor White to Almost whiteSafety InformationRisk Statements 22-36Safety Statements 24/25HS Code 29147000Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 wo
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Products Description of 2-Mercaptobenzothiazole CAS#149-30-4Pale yellow monoclinic needles or flaky crystals with an unpleasant odor.
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Products Description of O,O-Dimethyl phosphoramidothioate CAS#17321-47-0 Spermine is a kind of polyamine, a polyamine substance containing two amino groups and two imino groups. It is a low molecular weight aliphatic nitrogenous base with biological activity produced in the process of biological metabolism.
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Methyltriphenylphosphonium iodide Chemical PropertiesMelting point 183-185 °C(lit.)storage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility Chloroform (Slightly), Methanol (Slightly)form Powdercolor White to light yellowWater Solubility SOLUBLESensitive Light Sensitive & HygroscopicInChIInChI=1S/C19H18P.HI/c1-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19;/h2-16H,1H3;1H/q+1;/p-1InChIKeyJNMIXMFEVJHFNY-UHFFFAOYSA-MSMILES[P+](C)(C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1.[I-]CAS DataBase Reference2065-66-9(CAS DataBase Reference
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Products Description of Mix Xylene CAS#1330-20-7Xylene (dimethylbenzene) is a colorless, transparent, aromatic liquid. It is the product of two hydrogen atoms on the benzene ring being replaced by methyl atoms. It has a boiling point of 137-140°C. Xylene is divided into three isomers: o-xylene, m-xylene, and p-xylene according to the positions of the two methyl atoms. In industry, xylene refers to a mixture of the above isomers and ethylbenzene.
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Products Description of 3-METHYLPYRIDAZINE CAS#1632-76-43-Methylpyridazine, an organic chemical substance, molecular formula: C5H6N2.3-METHYLPYRIDAZINE CAS#1632-76-4 Chemical PropertiesMelting point 184°CBoiling point 214 °C (lit.)density 1.031 g/mL at 25 °C (lit.)refractive index n20/D 1.514(lit.)Fp 190 °Fstorage temp. Inert atmosphere,Room Temperaturesolubility Chloroform, Methanol (Slightly)pka3.47±0.10(Predicted)form Liquidcolor Clear yellow to brownSpecific Gravity1.031BRN 105691InChIKeyMXDRPNGTQDRKQM-UHFFFAOYSA-NCAS Da
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Products Description of 2-Ethylhexanol CAS#104-76-7Colorless to light yellow oily liquid with sweet and light floral aroma. Soluble in 720 times water, miscible in most organic solvents.
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Products Description of Ammonium dihydrogen phosphate CAS#7722-76-1Diammonium phosphate is a highly effective fertilizer widely used in vegetables, fruits, rice and wheat.Ammonium dihydrogen phosphate Chemical PropertiesMelting point 190 °C (dec.) (lit.)Boiling point 87.4 °Cdensity 1.02 g/mL at 20 °Cvapor pressure 0.066 hPa (125 °C)RTECS TC6587000storage temp. Inert atmosphere,Room Temperaturesolubility H2O: 0.1 M at 20 °C, clear, colorlessform SolidSpecific Gravity1.803color White or colorlessPH Range3.8 - 4.4PH3.
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Products Description of Levulinic acid CAS#123-76-2Levulinic acid is an organic compound with the molecular formula C5H8O3. Easily soluble in water and some organic solvents, but insoluble in gasoline, kerosene, turpentine and carbon tetrachloride. It hardly decomposes under normal pressure distillation.
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Products Description of 2,4-Dichloropyridine CAS#26452-80-22,4-Dichloropyridine is mainly used in pharmaceutical and biochemical industries.2,4-Dichloropyridine Chemical PropertiesMelting point -1 °CBoiling point 189-190 °C (lit.) 76-78 °C/23 mmHg (lit.)density 1.37refractive index 1.55-1.554Fp 189-190°Cstorage temp. Inert atmosphere,2-8°Csolubility Chloroformform Yellow to Pale Orange Liquidpka0.12±0.10(Predicted)color Colorless to Red to GreenBRN 108666InChIKeyTYPVHTOETJVYIV-UHFFFAOYSA-NCAS DataBase Reference26452-80-2(CAS DataBase Refer
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Products Description of Diazolidinyl UreaCAS#78491-02-8Properties: White powder, hygroscopic, odorless or with characteristic odor.Diazolidinyl Urea Chemical PropertiesBoiling point 421.04°C (rough estimate)density 1.4734 (rough estimate)vapor pressure 0Pa at 20℃refractive index 1.6590 (estimate)storage temp. 2-8°Csolubility Water (Slightly)form Solidpka11.22±0.46(Predicted)color White to Off-WhiteWater Solubility 1000g/L at 20℃Merck 14,3000Stability:Stable.
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Products Description of Prussian Blue CAS#14038-43-8Prussian Blue, also known as Berlin Blue, Gong Blue, Iron Blue, Milori Blue, Chinese Blue, Milori Blue, Hualan. It is an ancient blue dye that can be used for glazing and oil painting dyes. Prussian blue brings us a breathtaking beauty. It is not only a unique color, but also reflects a precipitated texture.Prussian blue is a blue dye discovered in 1706. Its structure is composed of Fe (II) and Fe (III) coordinated with cyano (-CN-).
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Products Description of Potassium phosphate CAS#778-53-2Azodicarbonamide is a synthetic chemical that exists at ambient temperature as a yellow-orange crystalline solid. Azodicarbonamide is mainly used as a blowing agent in the rubber and plastics industries in the expansion of a wide range of polymers, including polyvinyl chloride, polyolefins, and natural/synthetic rubbers.
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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 3-Dimethylaminopropylamine 99.5% CAS#109-55-7Colorless and transparent liquid, soluble in water and organic solvents. Relative density 0.8100. Boiling point 133℃. Freezing point - 70°C. Below this temperature it solidifies into glass. Flash point (closed cup) 15℃. Refractive index 1. 4350.
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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 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 Tannic acid CAS#1401-55-4Tannic acid, also known as tannic acid, is an organic compound with a chemical formula of C76H52O46. It is a yellow or brownish yellow powder. Its aqueous solution turns blue-black when it meets an iron salt solution. Adding sodium sulfite can delay the discoloration.In industry, tannic acid is widely used in tanning leather and making blue ink. Tannic acid can coagulate protein. People use tannic acid to chemically treat raw pig skin and raw cow skin, which can coagulate the soluble protein in the raw skin.
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Products Description of Sodium Perborate Monohydrate CAS#10332-33-9As a highly efficient and stable oxygen-based bleach, sodium perborate monohydrate is widely used in laundry detergents, color bleaching powders, and dishwashing agents.
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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.
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Products Description of Manganese sulfate CAS#7785-87-7Manganese sulfate (English: Manganese sulfate) is a light pink monoclinic fine crystal at room temperature. It is easily soluble in water and insoluble in ethanol. It starts to lose crystal water when heated above 200℃, loses most of the crystal water at about 280℃, becomes anhydrous salt melt at 700℃, and begins to decompose at 850℃, releasing sulfur trioxide, sulfur dioxide or oxygen.Manganese is an element of Group VII of the periodic table. Manganese in a free state is not found in nature.
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Urea CAS#57-13-6The urea molecule is planar in the crystal structure, but the geometry around the nitrogens is pyramidal in the gas-phase minimum-energy structure. In solid urea, the oxygen center is engaged in two N-H-O hydrogen bonds. The resulting dense and energetically favourable hydrogen-bond network is probably established at the cost of efficient molecular packing: The structure is quite open, the ribbons forming tunnels with square cross-section.
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Products Description of Copper(II) sulfate pentahydrate CAS#7758-99-8Copper sulfate pentahydrate (chemical formula: CuSO4·5H2O) is blue vitriol, blue triclinic crystal, easy to weather in dry air, lose 4 molecules of crystal water when heated to 190℃, and become anhydrous salt at 258℃. Toxic. Soluble in water, insoluble in ethanol. Can be used for pesticides, harmful if swallowed, irritating eyes and skin, and can have long-term adverse effects on the aquatic environment.Copper sulfate crystals are beautiful blue crystals in plate or short columnar shape with a beautiful blue color.
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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.
Vitamin K is an essential fat-soluble nutrient, and also our body needs it to accomplish healthy and balanced blood coagulation and also other functions. It has 2 forms:Vitamin K1, (phylloquinone) is discovered in green leafy vegetables, veggies and some veggie oils.Vitamin K2, (menaquinone) exists in dairy products, fermented foods and pet products.You can likewise obtain vitamin K supplements, but scientific trials reveal that the vitamin K we extract from food is a lot more effective for our body.
lycopene: dark red powder, has the unique smell and taste of lycopene.Lycopene (CAS No.: 502-65-8), dark red powder, has the unique smell and taste of lycopene. The lycopene produced by microbial fermentation mainly uses fermented substrates such as corn steep liquor, soybean meal and starch as the medium, and uses Blake Sleatrispora as the strain. After fermentation, filtration, drying, extraction, crystallization and Manufactured by refining and other processes.The main functions of lycopene are as follows:1. Anti-oxidation, delay aging;2. Improve the body’s immunity;3.
Sericin protein is a natural macromolecular protein wrapped on the surface of silk fibroin. It is mainly secreted by the silk glands of silkworms and is one of the main proteins that make up the silkworm cocoon.
Potassium carbonate (K2CO3), as a common inorganic compound, has been widely studied and utilized since ancient times due to its unique chemical properties and versatile applications. From its natural formation to its myriad uses in modern industry, the story of potassium carbonate mirrors the progress of chemistry and the advancement of human civilization.Through the exploration of potassium carbonate, we can gain a better understanding of the substance itself and discern the multifaceted role of chemicals in modern society.
New Research Highlights the Dual Role of Formic Acid as a Food Preservative and Potential Inducer of Antibiotic ResistanceA recent study published in Frontiers in Microbiology has shed light on the complex effects of formic acid, a common food-grade preservative, on pathogenic bacteria. The research indicates that formic acid, which is approved by the FDA for use in the food industry due to its antimicrobial properties, may also induce a viable-but-non-culturable (VBNC) state in harmful bacteria such as Acinetobacter baumannii and Klebsiella pneumoniae.
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.
What is Sodium Cocoyl Isethionate?Sodium cocoyl isethionate is a fine white powder extracted from coconut oil. It’s a sodium salt known to be mild on the skin. That the process involved mixing a natural sulfonic acid called hydroxyethyl sulfonic acid with fatty acids naturally found in coconut oil. Most commonly, you will find this ingredient on the back of shampoo, shower gel, detergent and soap bar because it is considered a surfactant.Surfactants are used as cleaners because they mix well with oil and water.
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.
As early as 1780, the Swedish chemist Sheele discovered lactic acid from waste milk; the production of lactic acid by fermentation originated from the natural fermentation of Boutron and Fremy in 1941; the industrial production of lactic acid by pure fermentation was started by Charles E. Avery in 1881. began; and large-scale industrial production of L-lactic acid was formed in the early 1990s.
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