Metepa-manufacture,factory,supplier from China

(Total 24 Products for Metepa)
Products Description of 4,5-Dichloro-3(2H)-pyridazinone CAS#932-22-94,5-Dichloropyridazin-3(2H)-one is an organic intermediate that can be used to prepare thiadiazole compounds 4-chloro-2-[(5-ethoxy-1,3,4-thiadiazole-2-)methyl]-5-piperidinyl-3(2H)-pyridazinone.
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Triethylmethylammonium chloride Chemical PropertiesMelting point 282-284 °C (lit.)storage temp. Inert atmosphere,Room TemperatureWater Solubility Soluble in waterform Powdercolor White to Almost whiteBRN 3912434CAS DataBase Reference10052-47-8(CAS DataBase Reference)EPA Substance Registry SystemEthanaminium, N,N-diethyl-N-methyl-, chloride (10052-47-8)Safety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3TSCA YesHS Code 29239000Factory and Equipment ShowFast delivery timeInventory 2-3 working day
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Products Description of Ammonium Superphosphate (SSP) CAS#7758-23-8Ammonium Superphosphate (SSP), with the CAS number 7758-23-8, is a highly effective fertilizer used in agriculture to enrich soil with essential phosphorus and nitrogen.
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Product Description:We are proud to present our top-grade Dimethylacetamide (DMAC), scientifically known as N,N-dimethylacetamide or N,N-dimethyl acetamide, with the CAS No. 127-19-5.
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Products Description of 2-Hydroxypropyl-β-cyclodextrinCAS#128446-35-5 Hydroxypropyl-BETA-cyclodextrin is one of the most intensively studied and widely used cyclodextrin derivatives.
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Products Description of 1,3-Propanediol CAS#504-63-21,3-Propanediol (PDO) is mainly used to produce a new type of polyester, polytrimethylene terephthalate (PTT).
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Products Description of GALL CAS#8008-63-7Ox bile, the bile or bile of cattle or buffalo. It has the effects of clearing the liver and improving eyesight, promoting bile and clearing the intestines, detoxifying and reducing swelling. Fresh cattle gallbladders are kidney-shaped, about 18 to 20 cm long, about 5 to 6 cm at the widest point, and become cystic with longitudinal wrinkles after drying.
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Products Description of 2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone CAS#86404-63-9Pharmaceutical Chemical Intermediates2,4-Difluoro-alpha-(1H-1,2,4-triazolyl)acetophenone Chemical PropertiesMelting point 103-107 °C(lit.)Boiling point 388.0±52.0 °C(Predicted)density 1.39±0.1 g/cm3(Predicted)storage temp. 2-8°Csolubility Chloroform (Slightly), Methanol (Slightly)form Solidpka2.05±0.10(Predicted)color White to pale brownCAS DataBase Reference86404-63-9(CAS DataBase Reference)Safety InformationSafety Statements 24/25WGK Germany 3HS Cod
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Products Description of Ferrous sulfate heptahydrate CAS37782-63-0The chemical formula of ferrous sulfate is FeSO4. The most common one is ferrous sulfate FeSO4·7H2O containing seven crystal waters, commonly known as green vitriol. Light blue-green monoclinic crystal, density 1.898g/cm3, melts in crystal water at 64℃. Soluble in water, the aqueous solution is acidic. Gradually weathered in the air, and oxidized to yellow-brown basic iron salt.
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1,4-Butanediol  CAS#110-63-41,4-butanediol (1,4-BD) is a colorless, viscous liquid derived from butane with the aid of placement of alcohol organizations at every give up of its molecular chain and is one of 4 secure isomers of butanediol.the hydroxyl feature of every give up crew of the Butanediol reacts with exceptional mono- and bifunctional reagents: for instance with dicarboxylic acids to polyesters, with diisocyanates to polyurethanes, or with phosgene to polycarbonates.
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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 1,1,2-Trimethyl-1H-benz[e]indole CAS#41532-84-7It is an extremely important alkaline heterocyclic intermediate for the synthesis of benzindolyl cyanine dyes, and is also a key intermediate for the synthesis of a variety of photovariable dyes.
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Products Description of Carnauba wax CAS#8015-86-9Extracted and refined from the leaves and buds of Brazilian palm, it is hard and brittle, insoluble in water, and is a hard, high-melting-point, shiny wax.
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Products Description of Dioctyl terephthalate CAS#6422-86-2Dioctyl terephthalate (DOTP) is a high-performance main plasticizer for polyvinyl chloride (PVC) plastics. Compared with the commonly used diisooctyl phthalate (DOP), it has the advantages of heat resistance, cold resistance, low volatility, anti-extraction, flexibility and good electrical insulation performance. It shows excellent durability, soap water resistance and low-temperature flexibility in the products.
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Products Description of Carbon Black CAS#1333-86-4Carbon black is a finely divided form of carbon. It may ignite explosively if suspended in air in the presence of an ignition source or slowly undergo spontaneous combustion upon contact with water.In addition, it is toxic by inhalation, with a TLV of 3.5 mg/m3 in air. Primary uses are in the manufacture of tires, belt covers, plastics, carbon paper, colorant for printing inks, and as a solar-energy absorber.1.  It is edible black pigment.
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Products Description of 2,4,5-Trimethoxybenzaldehyde CAS#4460-86-02,4,5-Trimethoxybenzaldehyde is mainly used to prepare asarone. α-Asarone is mainly found in the volatile oils of natural products such as Acorus calamus. It has sedative, prolonged hypnotic and antibacterial effects. It is clinically used to treat mental illnesses such as chronic bronchitis, epilepsy, and coma.
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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 Diphenylacetonitrile CAS#86-29-3The molecular formula of diphenyl acetonitrile is C14H11N, and its melting point is 71-73°C. Boiling point 181 °C (12 mmHg). Flash point 120 °C. WATER SOLUBLE INSOLUBLE. Used as intermediates in organic synthesis.
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Products Description of Sodium hydroxide CAS#1310-73-2Sodium hydroxide, also known as caustic soda and caustic soda, has the chemical formula NaOH. It is a highly corrosive strong base, usually in white flakes or granules. It can be mixed with water to form an alkaline solution, and can also be dissolved in methanol and ethanol. This alkaline substance is deliquescent and will absorb water vapor in the air, as well as acidic gases such as carbon dioxide. Sodium hydroxide is one of the commonly used chemicals.
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Products Description of Sodium hydroxide CAS#1310-73-2Sodium hydroxide, also known as caustic soda and caustic soda, has the chemical formula NaOH. It is a highly corrosive strong alkali, usually in the form of white flakes or granules. It can be miscible with water to form an alkaline solution, and can also be dissolved in methanol. and ethanol. This alkaline substance is deliquescent and will absorb water vapor in the air as well as acidic gases such as carbon dioxide. Sodium hydroxide is one of the commonly used chemicals.
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 Products Description of Sodium Hydroxymethanesulphinate CAS#149-44-0Sodium bisulfite formaldehyde is translucent white orthorhombic crystals or small pieces. Apparent density 1.80~1.85g/cm3. Easily soluble in water, slightly soluble in alcohol. It has extremely strong reducing properties under high temperature and can make the dyed color disappear, so it is known as the chemical book of hanging white blocks. It decomposes when exposed to acid, and decomposes at 120°C to produce toxic gases such as formaldehyde and hydrogen sulfide.
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Products Description of 2-Amino-5-Methyl-3-Thiophenecarbonitrile CAS#138564-58-6An impurity generated in the preparation of Olanzapine.2-Amino-5-Methyl-3-Thiophenecarbonitrile Chemical PropertiesMelting point 101-103°CBoiling point 318.5±42.0 °C(Predicted)density 1.26±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Csolubility soluble in Methanolform powder to crystalpka0.16±0.10(Predicted)color Light yellow to BrownInChIKeyYGXADLPRHBRTPG-UHFFFAOYSA-NCAS DataBase Reference138564-58-6(CAS DataBase Reference)Safety Information
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Products Description of Methyl 3-amino-2-pyrazinecarboxylate CAS#16298-03-6The molar refractive index of methyl 3-aminopyrazine-2-carboxylate is 38.44, the molar volume (m3/mol) is 116.0, the isotonic volume (0.2K) is 326.2, the surface tension (dyne/cm) is 62.4, and the polarizability (10-24cm3) is 15.24.Methyl 3-amino-2-pyrazinecarboxylate Chemical PropertiesMelting point 169-172 °C (lit.)Boiling point 300.8±37.0 °C(Predicted)density 1.319±0.06 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,2-8°Csolubility Chloroform, Methanolform Crystallin
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Products Description of 2-Amino-3-Pyridinecarboxaldehyde CAS#7521-41-72-Amino-3-pyridinecarboxaldehyde is a pyridine derivative with significant alkalinity, commonly used in organic synthesis and pharmaceutical chemical intermediates. It can synthesize organic compounds with pyridine skeletons through various chemical reactions such as condensation reaction, cyclization reaction and substitution reaction. It has a wide range of applications in basic chemical research.
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Phosphoric Acid: A Versatile Chemical CompoundPhosphoric acid, a colorless, odorless, and syrupy liquid, is a common inorganic acid. Its chemical formula is H₃PO₄. It is a triprotic acid, meaning it can donate three protons (H⁺ ions) in aqueous solution.Properties and ProductionPhosphoric acid is a non-volatile, non-flammable, and relatively stable acid.
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.
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 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.
Niacinamide, also called nicotinamide, is an amide substance of niacin. White crystalline powder; odorless or nearly odorless, bitter in taste; slightly hygroscopic. Soluble in water or ethanol, soluble in glycerol.Because nicotinamide is a B vitamin derivative, as well as nicotinamide is additionally a component of coenzymes, it is an essential part of the body as a coenzyme of several dehydrogenases.
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.
Industrialization of TrehaloseTrehalose is a stable non-reducing disaccharide consisting of two glucose molecules with an α, α, 1, 1-glycosidic bond. Trehalose was originally extracted from the ergot fungus of rye and was subsequently found to be widespread in natural flora, fauna and microorganisms, especially in fungi, algae, mosses and invertebrates. Trehalose is white crystal, a molecule of trehalose contains two molecules of crystal water, soluble in water, glacial acetic acid and hot ethanol, insoluble in ether, acetone.
Breaking News: Innovative Advancement in Sodium Sulfur BatteriesResearchers at Osaka Metropolitan University have achieved a significant breakthrough in the development of all-solid-state sodium batteries, a promising alternative to lithium-ion batteries for next-generation energy storage systems.
Sodium Hydroxide, also known as caustic soda or lye, with CAS#1310 - 73 - 2, is a highly significant chemical compound extensively utilized in diverse industries.Production and Market TrendsRecent data indicates notable production figures for Sodium Hydroxide across different regions. In 2023, China's December output of Sodium Hydroxide (equivalent to 100% purity) reached 3.69 million tons. This represented a month - on - month increase of 5.49% and a year - on - year growth of 7.7%.
For gemstones, amber is undoubtedly the most precious kind, and it is loved and sought after. However, the formation of amber takes a very long time. Therefore, it is not as simple as it looks on the surface. It also contains rich substances, which can be extracted and used in many aspects. It can also be made into various medicines with remarkable effect. It can be said that amber not only has a beautiful appearance, but also helps in medicine.Amber's Powerful Root - Succinic AcidSuccinic acid is a colorless crystal extracted from amber by scientists in the 15th century.
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