Use of N, N-dimethylformamide

Application 1: used as analytical reagent and solvent of ethylene resin and acetylene

Application 2: it is an excellent organic solvent, used as the solvent of polyurethane, polyacrylonitrile and polyvinyl chloride, as well as the raw material of extractant, medicine and pesticide Chlordimeform

Application 3: dimethylformamide is not only a chemical raw material with wide application, but also an excellent solvent with wide application. Dimethylformamide is a good solvent for many kinds of polymers, such as polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, etc. it can be used for the wet spinning of polyacrylonitrile fiber and the synthesis of polyurethane; for the film making of plastics; it can also be used as paint remover to remove paint; it can also dissolve some pigments with low solubility, so that the pigment has the characteristics of dye. Dimethylformamide is used for aromatics extraction, separation and recovery of butadiene from C4 fraction and isoprene from C5 fraction. It can also be used as an effective reagent for separation of non hydrocarbon components from paraffin. It has good selectivity for the solubility of m-phthalic acid and terephthalic acid: the solubility of m-phthalic acid in dimethylformamide is higher than that of terephthalic acid, and they can be separated by solvent extraction or partial crystallization in formamide. In the petrochemical industry, dimethylformamide can be used as a gas absorber to separate and refine gas. In organic reactions, dimethylformamide is not only widely used as a solvent, but also an important intermediate in organic synthesis. It can be used to produce Chlordimeform in pesticide industry; it can be used to synthesize iodamine pyrimidine, doxycycline, cortisone, vitamin B6, iodide, qupinjing, thiadiazine, n-formyllysarcosin, antitumor acid, methoxyaryl mustard, bianzide, cyclohexylnitrosourea, furofuranyluracil, haemostatic cicyclic acid, betamethasone, medroxyprogesterone, bilivitamine, chlorpheniramine, etc. Dimethylformamide can catalyze the hydrogenation, dehydrogenation, dehydration and dehalogenation, which can reduce the reaction temperature and improve the purity of the product.

Application 4: non-aqueous titration reagent, solvent for vinyl resin and acetylene, organic synthesis, photometric determination, fixed liquid for gas chromatography (maximum use temperature 50 ℃, solvent is methanol), separation and analysis of C2-C5 hydrocarbon, and separation of N -, isobutylene - [1] and cis -, trans butene - [2]. Pesticide residue analysis. Organic synthesis. Peptide synthesis. For the photographic industry.

MSDS

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