High Quality Pyrrolidone series intermediates Serie de la pirrolidona

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Product name CAS number Quality Application
γ-butyrolactone 96-48-0
2-Pyrrolidinone 616-45-5 Purity: 99.5 Used as solvent and organic synthesis intermediate.Also used to manufacture nylon-4 and vinylpyrrolidone, etc. Mainly act on raw materials and solvents for organic synthesis purposes Organic synthesis Chemicalbook intermediates.Mainly used as solvents for synthetic resins, pesticides, polyols, ink and iodine, also used as raw materials for the production of polyvinylpyrrolidone, nylon-4 and cerebrofacial.
2-γ-Acetylbutyrolactone 517-23-7 Purity: 99.5% An important intermediate in the synthesis of vitamin B. Also an intermediate for the synthesis of 4-amino-1,2,4-triazole thioethers and 4-Methyl-5-(β-thiazoleethanol). Used in the manufacture of vitamin B1 and prolonged pain heart and other drug uses.Mainly used as an intermediate in the manufacture of vitamin B1.
N-Vinyl-2-pyrrolidone 88-12-0 Purity: 99% N-Vinyl-2-Pyrrolidinone is mainly used to produce Polyvinylpyrrolidone, which is widely used in pharmaceutical, daily chemical and food industries. It has a wide range of applications in various fields such as cosmetics, detergents, pharmaceuticals and photographic materials. Also used in hair styling gel, pharmacy disinfectant, etc.
N-Ethyl-2-pyrrolidone 2687-91-4 Purity: 99.8% Used for refining oil and producing gunpowder, medicine, dyestuff, pesticide, daily chemical, coating, texture-resistant resin and other uses Lithium battery, dry glue degreasing, photoresist stripping release agent, coating unfolding agent, epoxy resin glue edge removal. Mainly used for refining oil and producing gunpowder, medicine, dyestuff, pesticide, daily chemical, coating, heat-resistant resin, etc.
Ethylene/vinyl acetate copolymer 108-05-4 Purity: ≥99.5% Vinyl acetate is the main raw material for the manufacture of the synthetic fiber vinylon. Through its own polymerization, or copolymerization with sub-monomers to get polyvinyl alcohol/Ethylene Vinyl Acetate Copolymer (EVA)/vinyl acetate vinyl chloride copolymer (EVC)/vinyl acetate acrylic fibre/vinyl acetate acrylates copolymer.They all have important industrial uses, widely used as binders, architectural coatings, textile sizing They are widely used as binders, architectural coatings, textile sizing and finishing agents, paper reinforcing agents and for the manufacture of safety glass. Vinyl acetate reacts with ethanol and bromine to produce bromoacetaldehyde diethyl aceta. This is the intermediate of drug methimazole. Commonly used intermediates for the production of poly(vinyl alcohol), paints and adhesives, etc. Used in organic synthesis for resin fiber synthesis, also used as intermediates of oil coagulant thickeners and adhesives
1-Benzyl-2-pyrrolidinone 5291-77-0 Purity: 97% Intended to be used as pharmaceutical, pesticide, printing and dyeing auxiliary, and organic synthesis intermediate, surfactant, solvent,non-ionic surfactants, daily chemical products, etc.
N-butyl pyrrolidone 3470-98-2 Purity: 98% This product is an excellent senior solvent, selective and stable polar solvents.High precision electronics, circuit boards, lithium batteries, etc., cleaning agents.It has the advantages of deoiling, degreasing, dewaxing, polishing, rust prevention, paint removal and other high-grade coatings.Inks, pigments with low toxicity and high boiling point.Strong solvency, non-flammable, biodegradable, recyclable, safe to use and applicable to a variety of formulations and other advantages.
N-(2-Hydroxyethyl)-2-pyrrolidone 3445-11-2 98.00%
N-Octyl pyrrolidone 2687-94-7 Purity: 99.% Efficient, safe, non-toxic skin penetrant, accelerator, surfactant, organic synthetic solvent
N-Cyclohexyl-2-pyrrolidone 6837-24-7 Purity: 99% Used in the electronics industry as a de-photoresist (usually in combination with other solvents such as N-Methyl-2-pyrrolidone), as a chemical polishing agent in the synthesis of copper circuit boards, and as a dye carrier in the textile industry.
1-Lauryl-2-pyrrolidone 2687-96-9 Purity: 99%
N-methylpyrrolidin-2-one 872-50-4 Purity: >=99.9 N-methylpyrrolidin-2-one is an excellent solvent, widely used as extractant for aromatic extraction, lubricating oil refining, acetylene concentration, desulfurization of synthesis gas, etc.Also used for industrial cleaning and other purposes. It is a solvent in the production of pesticides, engineering plastics, coatings, synthetic fibers, integrated circuits, etc. Be used as industrial detergent, dispersant, dyeing agent, antifreeze agent for lubricants, etc. It has low toxicity, oral LD50 for 7ml/kg, and widely used in the refining of high grade lubricants, synthesis of polymers, insulating materials, pesticides, pigments and cleaning agents and use solvent. Organic synthesis which is used in aromatic extraction, purification of acetylene, olefin and diolefin; Used as solvent of polymer and medium of polymerization reaction, such as polyamide, polymide resin, polyphenyl sulfide granula and other engineering plastics and aramid fiber, etc. It is used as solvent and extractant for NMP, which is a kind of polar non-proton transfer solvent with the advantages of low toxicity, high boiling point, excellent solubility, strong selectivity and good stability. Widely used in aromatic extraction; acetylene, antioxidant and diene. It is also used as a solvent for polymers and as a medium for polymerization reactions. Such as polyamide, polyimide, polyphenylene sulfide and other engineering plastics and aramid fiber. Also used in insulation materials, pesticides, pigments and cleaning agents.
1-Propyl-2-pyrrolidone 3470-99-3 Purity: 98%
Polyvinylpyrrolidone K90 (PVP K90) 9003-39-8 Purity: 99% Polyvinylpyrrolidone is a ketone organic substance, which can be used as a clarifier,stabilizer,thickener,pressed and tablet filler; dispersant. Polymer PVP with a molecular weight of 360,000 is often used as clarifying agent clarifier for beer, vinegar, wine, etc..Pigment stabilizer and colloid stabilizer is mainly used for clarification and quality stabilization of beer (reference dosage 8-20g/100L, maintain 24h and remove by filtration) , also used in combination with enzymes (protease) and protein adsorbent. It is also used as a stabilizer for wine clarification and preventing discoloration (reference dosage 24~72g/100L). Such as Clarifier,stabilizer,thickener,pressed tablet filler and dispersant which polymer PVP with a molecular weight of 360,000 is commonly used as clarifying agent for beer, vinegar, wine, etc. It is widely used as thickener, emulsifier, lubricant and clarifier, and also used as complex of disinfectant and sterilizer PVP-I as colloidal stabilizer and clarifier, which can be used for clarification of beer and used in appropriate amount according to production needs. Medical, aquaculture, livestock disinfectant.The same applies to skin and mucous membrane disinfection. PolyFilterTM molecule has amide bonds and adsorption of hydroxyl groups on polyphenol molecules thus forming hydrogen bonds, therefore, it can be used as a stabilizer for beer, fruit/wine and beverage wine to extend their shelf life and improve their transparency, color and taste. The product is available in disposable and regenerative sizes. The disposable product is suitable for small and medium-sized enterprises.The regenerative product requires the purchase of special filtration equipment, but can be recycled and is suitable for recycling in large breweries. In daily cosmetics, the good dispersibility and film-forming property of PVP and copolymer can be used as styling liquid, hair spray and styling agent of mousse, shading agent of hair conditioner, foam stabilizer of shampoo, wave styling agent and dispersant and pro-oxidant in hair dye. Adding PVP to vanishing cream, sunscreen and hair removal agent can enhance wetting and lubricating effect. The use of PVP excellent surface activity, film-forming properties and non-irritating to the skin, non-allergic reactions, etc.In hair care products, skin care products, and other applications have broad prospects for the absorption of phenols and tannins from aqueous extracts to purify plant enzymes. Used as chromatographic adsorbent to separate aromatic acids, aldehydes and phenols.

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