Delta-lactone-manufacture,factory,supplier from China

(Total 24 Products for Delta-lactone)
Products Description of 5-CHLORO-3-METHYLBENZO[B]THIOPHENE CAS#19404-18-33-Methyl-5-chlorobenzothiophene is a pharmaceutical intermediate. 5-CHLORO-3-METHYLBENZO[B]THIOPHENE CAS#19404-18-3 Chemical PropertiesMelting point 33 °CBoiling point 87 °Cdensity 1.293±0.06 g/cm3(Predicted)storage temp. 2-8°Csolubility soluble in Methanolform powder to lumpcolor White to Yellow to OrangeCAS DataBase Reference19404-18-3(CAS DataBase Reference)Safety InformationHazard Codes Xi,XnRisk Statements 36/37/38-22Safety Statements 26-37/39Hazard Not
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Products Description of MAA CAS#79-41-4Methacrylic acid is an important chemical raw material. It has two functional groups, carbon-carbon double bonds and carboxylic acid groups, so it can undergo reactions such as polymerization and esterification.
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Products Description of BISMUTH SULFIDECAS#1345-07-9Bismuth sulfide is brown-yellow powder or crystal, with a specific gravity of 7.39. It decomposes at 685℃. It is insoluble in water and ethyl acetate, but soluble in nitric acid and hydrochloric acid.BISMUTH SULFIDE Chemical PropertiesMelting point 685°C (dec.)density 7.7 g/mL at 25 °C(lit.)solubility insoluble in H2O; soluble in acid solutionsform LumpSpecific Gravity7.7color GrayWater Solubility Insoluble in water.
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Products Description of Meloxicam CAS#71125-38-7Meloxicam is a non-steroidal antipyretic, analgesic and anti-inflammatory drug. It is not a hormone drug. It has strong anti-inflammatory, analgesic and antipyretic effects. It can selectively inhibit the activity of cyclooxygenase-2 (COX-2), thereby blocking the synthesis of prostaglandins. Its inhibitory effect on the biosynthesis of prostaglandins in inflammatory sites is stronger than that on the biosynthesis of prostaglandins in the gastric mucosa or kidneys. It is safer than other NSAIDs.
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Products Description of 2-Ethyl anthraquinoneCAS#84-51-5Pale yellow solid, melting point lower than anthraquinone, soluble in benzene, can be recrystallized from ethanol or acetic acid, melting point 108℃.2-Ethyl anthraquinone Chemical PropertiesMelting point 108-111 °C (lit.)Boiling point 180-190°Cdensity 1.27 g/cm3 (21℃)vapor pressure <1 hPa (25 °C)refractive index 1.6290 (estimate)Fp >210°Cstorage temp. Store below +30°C.solubility 0.00025g/lform powder to crystalcolor Light yellow to Amber to Dark greenWater Solubility Insol
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Products Description of Diethylene Glycol Ethyl Methyl Ether CAS#1002-67-1Diethylene glycol methyl ethyl ether is a chemical.
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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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Products Description of Ethyl Chloroacetate CAS#105-39-5Ethyl chloroacetate is an organic compound, mainly used as a solvent and can also be used in organic synthesis.Ethyl chloroacetate Chemical PropertiesMelting point -26 °C (lit.)Boiling point 143 °C (lit.)density 1.145 g/mL at 25 °C (lit.)vapor density 4.23 (vs air)vapor pressure 10 mm Hg ( 38 °C)refractive index n20/D 1.421(lit.)Fp 150 °Fstorage temp. Store below +30°C.solubility 12.3g/lform Liquidcolor Clear colorlessOdorExtremely irritating; fruity; pungentexplosive l
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Products Description of 1,8-Naphthalic anhydride CAS#81-84-5It precipitates needle-shaped crystals in ethanol and rhombus-shaped crystals in acetic acid.
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Products Description of Imidazolidinyl urea CAS#39236-46-9White flowing powder, hygroscopic, odorless or with a slight characteristic odor, easily soluble in water, soluble in propylene glycol and glycerin, and hardly soluble in ethanol.Imidazolidinyl urea Chemical PropertiesMelting point 141-143℃Boiling point 514.04°C (rough estimate)density 1.4245 (rough estimate)vapor pressure 0Pa at 25℃refractive index 1.6910 (estimate)storage temp. 2-8°Csolubility Soluble in water and in glycerol, but insoluble in almost all organic solvents.pka7.41±0.10(Predicted)f
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Products Description of 2,4,5-Trichloropyrimidine CAS#5750-76-52,4,5-Trichloropyrimidine is a new type of reactive dye intermediate raw material and a synthetic raw material for new antibacterial and anti-inflammatory chemical drugs. With the continuous increase in sales of new reactive dyes and new antibacterial and anti-inflammatory drugs, the demand for the raw material 2,4,5-Trichloropyrimidine required for its synthesis is also growing. Therefore, it is particularly urgent to study its synthesis and develop a green new process suitable for industrial mass production.
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Products Description of Ambroxane CAS#6790-58-5Ambroxan is one of the most important components of natural ambergris and has been identified in the aromatic components of ambergris tinctures. Ambroxan has a strong, rich ambergris aroma with mild woody notes. Very good fixative, fragrance with ambergris flavor, as a substitute for natural ambergris. Ambergris is a whale excrement found on beaches and is no longer used in perfume production for ethical reasons. Natural ambroxan is used in perfumes and was discovered in 1949.
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Products Description of (2-Bromoethyl)benzene  CAS#103-63-9β-Bromophenylethane is an important intermediate for the synthesis of highly efficient brominated flame retardant polybrominated styrene, and is also commonly used in the preparation of organic synthesis intermediates. For example, β-Bromophenylethane can be used to prepare 4-(4-phenylbutoxy)benzoic acid, an intermediate for preparing pranlukast. Pranlukast was first successfully developed by Ono Co., Ltd. of Japan as an anti-asthma drug and was launched in Japan in 1995.
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Products Description of Potassium bromate CAS#7758-01-2Potassium bromate is an inorganic compound with the chemical formula KBrO3. It is mainly used as an analytical reagent, oxidant, and wool bleaching agent.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 Dimefluthrin CAS#271241-14-6As a new type of pyrethroid hygienic insecticide, cypermethrin has a high protective effect on mosquitoes resistant to allethrin and prallethrin. The pesticide is safe for humans and does not pollute the environment. The dosage of its preparation is as low as 0.015%.Currently, cypermethrin coil mosquito coils mostly use the analysis method provided by Sumitomo Chemical Co., Ltd. of Japan, that is, GC-ECD (electron capture detector) analysis, and the pretreatment method is cumbersome.
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Products Description of 4'-Chloroacetophenone CAS#99-91-2Chloroacetophenone is an organic compound with the molecular formula C8H7ClO. It is a white liquid at room temperature. Insoluble in water, soluble in organic solvents.
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Products Description of Ademetionine disulfate tosylate CAS#97540-22-2Ademetionine Disulfate Tosylate is a mixed salt form of the diastereoisomers of the adenosylmethionine ion, the bisulfate-tosylate salt.
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Products Description of Dibenz[b,f]azepine-5-carbonyl chlorideCAS#33948-22-0Crystallization (toluene).
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Products Description of Guaifenesin CAS#93-14-1Guaifenesin, also known as methyl glyceryl benzene diether, guaifenesin, guaifenesin glycerol ether, and glyceryl guaifenesin, is a stimulating expectorant. After oral administration, it can stimulate the gastric mucosa, reflexively cause increased secretion of bronchial mucosal glands, reduce the viscosity of sputum, and make sticky sputum easier to cough up. It is suitable for treating people with a lot of sputum that is difficult to cough up.
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Products Description of 1-Dodecanethiol CAS#112-55-0Colorless or light yellow liquid. Melting point -7℃, boiling point 165-169℃ (5.19kPa), 142-145℃ (2kPa), relative density 0.8450 (20/20℃), refractive index 1.4589, flash point 87℃.
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Products Description of Neopentyl glycol diglycidyl ether CAS#17557-23-2Slightly yellow transparent liquid. Soluble in organic solvents such as ketone and benzene.
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Methyl triphenyl phosphonium chloride Chemical PropertiesMelting point 221°C (dec.)Boiling point 332.65℃ at 101.3kPadensity 1.22 at 23℃vapor pressure 0.001Pa at 40℃storage temp. Inert atmosphere,Room Temperaturesolubility Soluble in methanol.form Solid:crystallinecolor White to Almost whiteSensitive HygroscopicLogP-1.73 at 20℃ and pH6.3-6.46Surface tension71.4mN/m at 1g/L and 20℃CAS DataBase Reference1031-15-8(CAS DataBase Reference)Safety InformationHazard Codes Xn;N,N,XnRisk Statements 21/22-38-41-51/53Safety Statements 22-26-36/37/
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Products Description of Poly(vinyl alcohol)CAS#25213-24-5White powderPoly(vinyl alcohol) Chemical PropertiesMelting point >300 °CEPA Substance Registry SystemVinyl acetate vinyl alcohol polymer (25213-24-5)Safety InformationRisk Statements 23/24/25-36/38-39/23/24/25Safety Statements 26-36/37-45WGK Germany 1RTECS TR8100000 Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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Products Description of Phosphoric acidCAS#7664-38-2Phosphoric acid is also called orthophosphoric acid (molecular formula H3PO4). The pure product is a colorless, transparent, viscous liquid or orthorhombic crystal, odorless and very sour. 85% phosphoric acid is a colorless, transparent or slightly light-colored, viscous liquid. Melting point 42.35℃, specific gravity 1.70, high boiling point acid, miscible with water in any ratio, boiling point 213℃ (lose 1/2 water), then pyrophosphoric acid is generated. When heated to 300℃, it becomes metaphosphoric acid. Relative density 181.834.
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Relate News
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.
Propylene Glycol Market Projected to Witness Robust Growth Amid Increasing Industrial ApplicationsThe global propylene glycol market is forecasted to exhibit a resilient expansion, with a compound annual growth rate (CAGR) of 6.1% from 2023 to 2030, reaching a valuation of USD 6.98 billion by 2030, according to a recent report by Grand View Research .
Vitamin B2 is an essential nutrient for the human body, and it is an essential substance to form the surface of human tissues and organs.Vitamin B2 cannot be stored in the human body, but the human body needs it every day, so it must be supplemented from food every day.A slight deficiency of vitamin B2 will not feel anything in the body, but when it reaches a certain level, obvious symptoms will appearWhat type of nutrient is Vitamin B2?Vitamin B2 is a member of the vitamin B group. It is a water-soluble vitamin. After being absorbed by the human body, there is not much retention in the body.
Glycerin: A Versatile Compound with Numerous ApplicationsGlycerin, also known as glycerol, is a simple polyol compound with a sweet taste and syrupy texture. It is widely used in various industries, including cosmetics, pharmaceuticals, and food. Due to its unique properties, such as being hygroscopic (attracting water) and non-toxic, glycerin has become an indispensable ingredient in many products.Glycerin in CosmeticsMoisturizer: Glycerin is one of the most effective humectants, drawing moisture from the air and into the skin.
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.
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.
In fact, many people are familiar with glucose. This is a very helpful nutrient to the human body. It can effectively enhance the body’s immunity, improve the ability to resist viruses, maintain the balance of intestinal flora, and effectively delay skin aging. To achieve the effect of lowering cholesterol, but if excessive intake can also lead to increased blood sugar.Glucose is a kind of monosaccharide that widely exists in nature. There are many functions and functions of glucose.
Dimethyl Disulfide (DMDS) Industry Sees Growing Demand Amidst Industrial Expansion[City, State] – [Date] – The global dimethyl disulfide (DMDS) market is experiencing significant growth, driven by the increasing demand from various industries.
Urotropine, also known as hexamethylenetetramine, is a polycyclic heterocyclic compound with similar structure to adamantane, and the molecular formula is c6h12n4. Urotropine is a white crystal, which can be prepared by the reaction of formaldehyde and ammonia. The molecule contains four mutually fused triazane rings. It is limited soluble in water and easily soluble in most organic solvents.Urotropine is widely used. It can be used as raw materials for organic synthesis, analytical chemical reagents, antibiotics and fuels, and also has many uses in chemical production.
Introduction2-ethyl-3-hydroxy-6-methylpyridine, also known as 2-ethyl-6-methyl-3-pyridinol, is a chemical compound with the molecular formula C8H11NO. Its CAS number is 2364-75-2. This compound is widely used in the chemical industry as a building block for the synthesis of various chemicals. In this article, we will discuss the properties, uses, and synthesis of 2-ethyl-3-hydroxy-6-methylpyridine.Properties2-ethyl-3-hydroxy-6-methylpyridine is a white to off-white crystalline powder with a melting point of 88-92°C. It is soluble in water, ethanol, and other organic solvents.
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