Prespersion-manufacture,factory,supplier from China

(Total 24 Products for Prespersion)
Products Description of Pyrazine CAS#290-37-9Pyrazine is a chemical.CAS No. is 290-37-9.Pyrazine Chemical PropertiesMelting point 50-56 °C (lit.)Boiling point 115-116 °C (lit.)density 1.031 g/mL at 25 °C (lit.)refractive index 1.5235FEMA 4015 | PYRAZINEFp 132 °Fstorage temp. Store below +30°C.solubility SOLUBLEpka0.65(at 27℃)form Crystalscolor WhiteSpecific Gravity1.031Odorat 0.10 % in propylene glycol.
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Products Description of Stannous methanesulfonateCAS#53408-94-9Colorless transparent liquid with the smell of rotten eggs.Stannous methanesulfonate Chemical PropertiesMelting point -27°Cdensity 1.55refractive index 1.444Specific Gravity1.550Water Solubility Not miscible or difficult to mix in water.Sensitive Air SensitiveHydrolytic Sensitivity0: forms stable aqueous solutionsExposure limitsACGIH: TWA 0.1 mg/m3; STEL 0.2 mg/m3 (Skin)NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3InChIKeyJALQQBGHJJURDQ-UHFFFAOYSA-LCAS DataBase Reference53408-94-9(CAS DataBase Reference)EPA Subs
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Products Description of Ferric ammonium oxalate trihydrate CAS#13268-42-3Calcium and magnesium precipitants, electroplating industryFerric ammonium oxalate trihydrate Chemical PropertiesMelting point 161°C (rough estimate)density 1,78 g/cm3solubility very soluble in H2O; insoluble in ethanolform Crystalline Powdercolor GreenWater Solubility Very soluble in water. Insoluble in alcoholSensitive Light Sensitive & HygroscopicMerck 14,517Exposure limitsACGIH: TWA 1 mg/m3NIOSH: TWA 1 mg/m3Stability:May decompose upon exposure to light.
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Products Description of Triallylamine CAS#102-70-5Triallylamine is an organic compound with the chemical formula C9H15N. It is mainly used as an extraction agent for uranium and rare metals. It can also be used to treat organic wastewater and produce petroleum products and quaternary ammonium compounds and their derivatives as additives and metal resists.
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Products Description of Diethyl Sebacate CAS#110-40-7Colorless to slightly yellow liquid with aroma of wine, fruit and melon. Boiling point is 302~C, melting point is 1~3℃.
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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 1-Bromo-3,5-dimethoxybenzene CAS#20469-65-21-Bromo-3,5-dimethoxybenzene is an organic intermediate that can be prepared from 3,5-dimethoxyaniline by diazotization.
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Products Description of 1-(4-Chlorophenyl)Piperazine Dihydrochloride CAS#38869-46-4Para-Chlorophenylpiperazine (pCPP) is a psychoactive drug of the phenylpiperazine class. It is relatively obscure, with limited human use, and produces slightly psychedelic effects.
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Products Description of 4-Chromanone CAS#491-37-2White crystals.
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Products Description of POLYGLYCERYL-4 LAURATE CAS#75798-42-4Colorless liquidFactory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days
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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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Products Description of Sodium 4-amino-1-naphthalenesulfonate CAS#130-13-2White or off-white flaky crystals. Easily soluble in water, soluble in 95% ethanol, insoluble in ether, slightly soluble in concentrated caustic alkali aqueous solution and ethanol solution. It is an important azo pigment intermediate, widely used in the synthesis of direct dyes and reactive dyes.
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Products Description of 3,4-epoxycyclohexanecarboxylate CAS#2386-87-0The alicyclic epoxy resin 3,4-epoxycyclohexylmethyl 3,4-epoxycyclohexylcarboxylate overcomes the shortcomings of traditional bisphenol A epoxy resin, such as poor weather resistance, high temperature resistance, and poor impact resistance, and has received great attention from all walks of life.
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Products Description of Bitertanol CAS#55179-31-2The pure product is a colorless crystalline solid. m.p. 125~129℃ (diastereomer A is 136.7℃, B is 145.2℃, and the low eutectic of A and B is 118℃). The vapor pressure at 20℃ is <1.0×10-3Pa [A is 3.8×10-3Pa, B is 3.2×10-3Pa (100℃)]. Solubility at 20℃: dichloromethane 100-200g/L (A is 200-500g/L, B is 50-100g/L), isopropanol 30-100g/L [20-50g (A or B)/L], toluene 10-30g/L [A is 10-20g/L, B is 1-2g/L], n-hexane 1-10g/L [≤10g (A or B)/L], water 5mg/L [2.9mg (A)/L, 1.6mg (B)/L]. Partition coefficient 126000 (A), 25000 (B).
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Products Description of 4-Acryloylmorpholine CAS#5117-12-4N-Acryloylmorpholine is a chemical substance with the molecular formula C7H11NO2.4-Acryloylmorpholine Chemical PropertiesMelting point −35 °C(lit.)Boiling point 158°C 50mmdensity 1.122 g/mL at 25 °C(lit.)vapor pressure 1.03-1.64Pa at 25-29.9℃refractive index n20/D 1.512(lit.)Fp >230 °Fstorage temp. 2-8°Csolubility Soluble in waterpka-1.08±0.20(Predicted)form Liquidcolor Colorless to yellowWater Solubility 1000g/L at 20℃Sensitive Light Sensi
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Ethanol  CAS# 64-17-5Ethanol, additionally recognized as ethyl alcohol (or grain spirits, or alcohol), is a clear colorless, volatile, flammable solvent with a attribute odor. The boiling factor of ethanal is 78.5°C. The bio-alcohol is observed in alcoholic beverages. Concentrated alcohol has a sturdy burning taste, however it is truly candy when diluted. It is additionally increasingly more being used as a gas (usually changing or complementing gasoline).
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Mineral Oil CAS# 8042-47-5Mineral oil is a highly refined petroleum mineral oil consisting of a complex combination of hydrocarbons obtained from the intensive treatment of a petroleum fraction with sulfuric acid and oleum, or by hydrogenation, or by a combination of hydrogenation and acid treatment. Additional washing and treating steps may be included in the processing operation.
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Products Description of ISOQUINOLINE-3-CARBOXYLIC ACID CAS#203626-75-9 Isoquinoline-3-carboxylic acid, monohydrate is an organic compound.Isoquinoline-3-carboxylic acid Chemical PropertiesMelting point 166-168 °C(lit.)storage temp. 2-8°Cform powder to crystalcolor White to Light yellow to Light orangeSafety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-37/39WGK Germany 3Product Application of Isoquinoline-3-carboxylic acidIsoquinoline-3-carboxylic acid, monohydrate is often used as an intermediate.Factory
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Products Description of 4-Methyl-2-pentanone CAS#108-10-14-Methyl-2-pentanone (methyl isobutyl ketone) reagent is widely used as a solvent in chemical and pharmaceutical industries, separation and recovery of nuclear fission products, and scientific research experiments. The content of 4-methyl-2-pentanone sold on the market is ≤99%, and it contains a small amount of impurities such as alcohol, acidic substances and water. 4-Methyl-2-pentanone is used as a solvent for nitrocellulose, lacquer, and certain polymers and resins.
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Products Description of Tris(hydroxymethyl)nitromethane CAS#126-11-4Chemical, crystallizes into white crystals in a mixture of ethyl acetate and benzene.
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Products Description of Glyceryl monostearate CAS#31566-31-1White or light yellow waxy solid, odorless and tasteless. Relative density 0.97, melting point 56-58°C. Soluble in hot organic solvents such as ethanol, benzene, acetone, mineral oil, fatty oil, etc., insoluble in water, but can be dispersed in hot water to form an emulsion under strong stirring. HLB value 3.8.
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Products Description of Direct Pigment Yellow 42 CAS#51274-00-1Pigment yellow 42, also known as Yellow Iron oxide is a yellow powder in the form of an alkaline oxide with comparatively stable chemical properties. It is is insoluble in water and alcohol, slightly soluble in acids but completely dissolves in concentrated hydrochloric acid. When heated to 80℃, it loses water and converts to red ferric oxide. It is used in coating, printing ink and paint, and also as a coloring agent for building material, rubber and paper-making.
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Products Description of 2,2,6,6-Tetramethylpiperidinooxy CAS#2564-83-22,2,6,6-Tetramethylpiperidinyl oxide, abbreviated as TEMPO, is a piperidine-type nitrogen oxide free radical. TEMPO is an orange-red, easily sublimable crystal or liquid, and is easily soluble in solvents such as water, ethanol, and benzene.
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Aluminum Oxide CAS#1344-28-1 The oxide of aluminum is Al2O3. The natural crystalline mineral is called corundum, but the synthetic crystals used for abrasives are designated usually as aluminum oxide or marketed under trade names. For other uses and as a powder, it is generally called alumina.
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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.
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.
Photoinitiators, also known as photosensitizers or photocuring agents, are a type of energy that can absorb certain wavelengths in the ultraviolet region (250-420nm) or visible region (400-800nm) to generate free radicals, cations, etc., thereby initiating monomer Polymerization crosslinks cured compounds.What is a photoinitiator?In the photocuring system, including UV glue, UV coating, UV ink, etc., after receiving or absorbing external energy, it undergoes chemical changes and decomposes into free radicals or cations, thereby initiating polymerization.All substances that can generate free ra
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.
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.
CAS#433711-95-6 IntroductionThe chemical compound (2-Bromo-pyridin-4-yl)carbamic acid tert-butyl ester, also known as CAS#433711-95-6, is a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. This compound is widely used in the chemical industry due to its unique properties and versatile applications.
Title: Global Dimethyl Disulfide (DMDS) Market: Production, Supply Dynamics, and Industry TrendsIntroduction:The global market for Dimethyl Disulfide (DMDS), chemically known as C2H6S2 with the CAS number 624-92-0, is witnessing a surge in demand across various sectors, driving its production and supply chain to new heights.
Dimethyl disulfide (DMDS, CAS# 624-92-0) has recently witnessed a remarkable increase in market demand and continuous progress in related research.Soaring Market Demand   DMDS is extensively utilized in multiple fields, which is a crucial factor contributing to its rapidly growing market demand.In the agricultural sector, it serves as an effective and eco-friendly soil fumigant, playing a vital role in nematode control.
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.
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%.
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