Pyridinium-manufacture,factory,supplier from China

(Total 24 Products for Pyridinium)
Products Description of PyridiniumCAS#68909-18-2White powderPyridinium, 1-(phenylmethyl)-, ethyl methyl derivs., chlorides Chemical PropertiesBoiling point 116.34℃[at 101 325 Pa]density 1.104[at 20℃]vapor pressure 2hPa at 20℃Water Solubility 100g/L at 30℃InChIInChI=1S/C13H16N.ClH/c1-14(10-6-3-7-11-14)12-13-8-4-2-5-9-13;/h2-10H,11-12H2,1H3;1H/q+1;/p-1InChIKeyNBNVYJFZJWMHPR-UHFFFAOYSA-MSMILESC1[N+](CC2=CC=CC=C2)(C)C=CC=C1.[Cl-]LogP3 at 25℃EPA Substance Registry System1-(Phenylmethyl)pyridinium Et Me derivs., chlorides (68909-18-2)Factory and Equipment ShowFast delivery t
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Products Description of Glycerol triglycidyl ether CAS#13236-02-7Glycidyl ethers include allyloxyepoxypropane, diglycidyl ether, isopropyl glycidyl ether, butoxye-popropane, diglyeidyl ether (EP-562) and epoxphenoxypropane, etc. They are a group of substances with similar chemical properties and toxic effects. They are colorless liquids with some pungent odors. They have low acute toxicity when in contact with the mouth and skin, and moderate toxicity when in contact with the respiratory tract. They mainly act on the nervous system.
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Products Description of 4-Pyridazinecarboxylic Acid CAS#50681-25-94-Pyridazinecarboxylic Acid is a commonly used chemical raw material, often used as a pharmaceutical intermediate.4-Pyridazinecarboxylic Acid CAS#50681-25-9 Chemical PropertiesMelting point 244.2 °C (dec.) (lit.)Boiling point 404.2±18.0 °C(Predicted)density 1.403±0.06 g/cm3(Predicted)storage temp. Sealed in dry,Room Temperatureform powder to crystalpka3.18±0.10(Predicted)color White to Almost whiteInChIInChI=1S/C5H4N2O2/c8-5(9)4-1-2-6-7-3-4/h1-3H,(H,8,9)InChIKeyJUSIWJONLKBPDU-UHFFFAOYSA-NS
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Products Description of Ethyl vinyl ether CAS#109-92-2Colorless flammable liquid with active chemical reaction performance. It is easy to polymerize in liquid or gas phase. Industrial products contain inhibitors to prevent polymerization. Freezing point -115℃, boiling point 35-36℃, melting point -115.8℃, relative density 0.754 (20/20℃), refractive index 1.3767, flash point -45.5℃, autoignition point 201.66℃, viscosity (20℃) 0.22mPa·s. Slightly soluble in water, only 0.9% (by weight).
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POLY(ETHYLENE GLYCOL) METHYL ETHER ACRYLATE Chemical PropertiesMelting point 6-7 °C(lit.)density 1.09 g/mL at 25 °C(lit.)Fp >230 °Fstorage temp. -20°Cform Granular Solidcolor White to off-whiteWater Solubility Soluble in waterEPA Substance Registry SystemPoly(oxy-1,2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-methoxy- (32171-39-4)Safety InformationHazard Codes TRisk Statements 45-46Safety Statements 53-36/37/39-24/25-22-45WGK Germany 3TSCA YesHS Code 39072090Factory and Equipment ShowFast delivery
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Trihydroxymethylpropyl Trioleate CAS 11138-60-6Insoluble in water, soluble in a variety of organic solvents, such as ethanol, ether, acetone, etc. It has good chemical stability, but may decompose or react under high temperature, strong acid, strong alkali and other conditions.It has excellent lubrication properties and can effectively reduce friction and wear of mechanical equipment.
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Products Description of 2-Hydroxy-4-methylpyrimidine hydrochloride CAS#5348-51-62-Hydroxy-4-methylpyrimidine hydrochloride CAS No.
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Products Description of Dextrin CAS#9004-53-9White amorphous powder, odorless, slightly sweet taste.Dextrin Chemical PropertiesMelting point 53.75-54 °Cdensity 0.8 g/cm3storage temp. Store at RT.solubility H2O: 0.1 g/mL hot, complete, yellow to very deep yellowform powdercolor yellowOdorodorlessWater Solubility Soluble in hot water (0.1 g/ml).Sensitive HygroscopicMerck 14,2953Dielectric constant2.2(Ambient)Stability:Stable. Combustible.
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Methylcyclopentadienyl Manganese Tricarbonyl CAS# 12108-13-3Manganese, tricarbonyl methylcyclopentadienyl is a dark orange liquid. Faintly pleasant, herb-like odor. Molecular weight= 218.10;Boiling point=232℃; Freezing/Melting point=18℃; Flash point=74℃; 96℃. Hazard Identification (based on NFPA-704 M Rating System): Health 3, Flammability 0, Reactivity 0.
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Products Description of Tin sulfate CAS#7488-55-3White or light yellow crystalline powder. Soluble in water, solubility 33g/100ml water at 35℃. Soluble in dilute sulfuric acid.Stannous sulfate Chemical PropertiesMelting point 360 °Cdensity 4,15 g/cm3vapor pressure 0Pa at 20℃storage temp. no restrictions.form SolidSpecific Gravity1.35color White to off-whitePH1.6 (50g/l, H2O, 20℃)Water Solubility 330 g/L (20 ºC)Merck 14,8790Exposure limitsACGIH: TWA 2 mg/m3NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3Stability:Stable, but moisture sensitive.
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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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Poly(oxy-1,2-ethanediyl), .Alpha.-Hydro-.Omega.-Hydroxy-, Mono-C12-14-Alkyl Ethers, Phosphates CAS#68511-37-5The molecular structure contains polyoxyethylene segments, hydroxyl groups, C12-14 alkyl ether and phosphate groups. This unique structure enables it to have multiple properties. It has good surface activity, can reduce the surface tension of the liquid, and play the role of emulsification, dispersion and wetting at the interface.
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Products Description of N-Methyl-2-pyrrolidone CAS#872-50-4N-Methylpyrrolidone is referred to as NMP, molecular formula: C5H9NO, English: 1-Methyl-2-pyrrolidinone, appearance is colorless to light yellow transparent liquid, slightly smell of ammonia, miscible with water in any proportion, soluble in ether, acetone And various organic solvents such as esters, halogenated hydrocarbons, aromatic hydrocarbons, etc., almost completely mixed with all solvents, with a boiling point of 204°C and a flash point of 91°C. It has strong hygroscopicity and stable chemical properties.
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Products Description of Arabic gum CAS#9000-01-5Gum Arabic is also known as gum Arabic, acacia gum, Akexi gum, Senegal gum, and peach gum. It comes from the exudate collected from the trunk of the Acacia tree. It has been used for 4,000 years. Because it is safe and non-toxic, the dosage is not regulated. It is in the form of yellow to light yellowish brown translucent blocks, or white to light yellow granules and powder. The lighter the color, the better the quality. The fresh one has a smooth surface and a transparent interior. It is odorless and tasteless.
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Products Description of Guanidinehydrochloride99.5% CAS#50-01-1Guanidine hydrochloride, chemical name is carbamidine hydrochloride, is a white or slightly yellow block, almost insoluble in acetone, benzene and ether. It can be used as an intermediate for medicines, pesticides, dyes and other organic synthesis. It is an important raw material for the manufacture of sulfadiazine, sulfamethylpyrimidine, sulfadimethylpyrimidine and other drugs and folic acid.
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C6H8O7 CAS#77-92-9Discover the versatility of citric acid, a natural organic compound with the chemical formula C6H8O7 and registration number CAS#77-92-9.
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Products Description of METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL CAS#220641-87-2N-Methyltetrahydro-2H-pyran-4-amine is a pharmaceutical intermediate, which can be prepared by reductive amination reaction of tetrahydro-4H-pyran-4-one and methylamine.METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL Chemical PropertiesBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Cpka10.01±0.20(Predicted)form liquidcolor Clear, colourlessBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/c
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Products Description of Dichloromethane CAS#75-09-2Dichloromethane is a compound in which two hydrogen atoms in the methane molecule are replaced by chlorine. The molecular formula is CH2Cl2. It is a colorless, transparent, heavier than water, volatile liquid with an ether-like smell and sweet taste.
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Products Description of Sodium Copper Chlorophyllin CAS#11006-34-1Using natural green plant tissues, such as silkworm excrement, clover, alfalfa, bamboo and other plant leaves as raw materials, extracting with organic solvents such as acetone, methanol, ethanol, petroleum ether, etc., replacing the central magnesium ions of chlorophyll with copper ions, and saponifying it with alkali, removing the methyl and phytol groups, and forming the carboxyl group to become disodium salt. Therefore, sodium copper chlorophyll is a semi-synthetic pigment.
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Products Description of Furfural CAS#98-01-1Furfural is a colorless, transparent, oily liquid produced by hydrolysis and dehydration of pentosan in plant fiber raw materials. It is also called furan formaldehyde. It has a special aroma. Under light, heat, air oxidation and the action of inorganic acids, the color quickly changes to yellow-brown, and finally to dark brown. It is also easy to polymerize and become resinous. It should be stored away from light, deoxygenated and sealed.
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Products Description of Polyisobutylene CAS#9003-27-4Calcium phosphate tribasic (C3161) is plant cell culture tested (0.2 mg/ml) and is appropriate for use in plant cell culture experiments. Calcium phosphate tribasic is utilized to engineer new biomaterials for applications such as bone grafts and fillers.    Si-substituted hydroxyapatite (Si-HAp) nanopowder can be incorporated in biodegradable polymer composites or deposited on biocompatible surfaces similar to pure HAp nanopowder (cat. no. 677418).
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Products Description of Polyisobutylene CAS#9003-27-4Ammonium Chloride (CAS#12125-02-9) is a white crystalline salt that is highly soluble in water, with a solubility of 37.2 g/100 g at 20°C. It is a crucial component in agricultural fertilizers, providing essential nitrogen for plant growth. This compound is also used as a feed additive and in various industrial applications due to its versatility. In agriculture, Ammonium Chloride is valued for its ability to enhance soil fertility and promote robust plant development.
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Products Description of Madecassic acid CAS#18449-41-7Madecassoside (MC) is the main active ingredient of triterpenoid saponins in Centella asiatica Urb., a plant of the Umbelliferae family. Studies have shown that MC has a wide range of pharmacological activities in vivo and in vitro, and can reduce collagen-induced arthritis inflammation, promote the proliferation of human fibroblasts cultured in vitro, treat or prevent hypertrophic scars and keloids, and protect myocardial ischemia-reperfusion injury.
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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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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.
What is Cornmint Oil?Cornmint oil is a colorless or light yellow clear liquid. It has a special refreshing fragrance, which is pungent at the beginning and cool afterwards. After long-term storage, the color becomes darker. It is often used to repel mosquitoes and relieve physical fatigue.Legend has it that the original name of mint comes from Greek mythology. Pluto Hades fell in love with the beautiful Elf Mansi, and Pluto’s wife Persephane was very jealous.
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.
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.
Erythromycin, chloramphenicol, and clindamycin are all called “mycins”. What are the differences in their effects?There are many drugs with the word “mycin”, such as erythromycin, chloramphenicol, clindamycin, gentamicin, etc. are very common. So, how should these “mycins” be distinguished?
What is Cornmint Oil?Cornmint oil is a colorless or light yellow clear liquid. It has a special refreshing fragrance, which is pungent at the beginning and cool afterwards. After long-term storage, the color becomes darker. It is often used to repel mosquitoes and relieve physical fatigue.Legend has it that the original name of mint comes from Greek mythology. Pluto Hades fell in love with the beautiful Elf Mansi, and Pluto’s wife Persephane was very jealous.
Global Role of Ethylene GlycolThe global supply chain is intricately linked with the production and distribution of ethylene glycol, also known as mono ethylene glycol (MEG) or simply EG, with the chemical formula C2H6O2 and CAS number 107-21-1 . This clear, viscous liquid is a critical component in various industries, from automotive to textiles, and is commonly recognized for its use in glycol antifreeze solutions .Ethylene glycol is predominantly utilized in the manufacturing of polyester and polyurethane plastics, which are essential in the textile industry.
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: 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 .
Sorbitol has a chemical formula of C6H14O6 and also has 2 optical isomers, D as well as L. It is the main photosynthetic item of Rosaceae plants and also is primarily made use of as a sugar. It has a trendy pleasant taste as well as a sweet taste of regarding Fifty percent of sucrose, calorific worth is similar to sucrose.What is Sorbitol?Sorbitol has a great wonderful taste, as well as its sweet taste is about 50% -70% of that of sucrose. 1g of sorbitol creates 16.7 kJ of heat in the human body.
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