Ethylene glycol

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Dimethyl carbonate

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2-pyrrolidone

Properties: 2-P is a colorless liquid. Its freezing point is 25.6℃, boiling point 245℃, which is solubilized in water, low chain ketone, low chain alcohol, low chain aether, chloroform and benzene. see details

Polyvinylpyrrolidone (abbr. PVP)

Properties: PVP exists as powder or aqueous solution. It can be dissolved in water and varieties of organic solvent and its hygroscopic ability, film-forming capability, complexing ability and physiology compatibility are good. see details

Sodium Hydrosulfite

Properties: The bulk specific weight is 0.7-1.0g/m3 , dissolve in water, slightly dissolve in ethanol. Give off heat and cause combustion easily. Spontaneous decomposition occurs when the temperature is higher than 85℃, heats up to 190℃cause detonati see details

N-methyl-pyrrolidone

Properties: NMP, which is a liquid with little ammonia odor, can mix with almost all solvents such as ethyl alcohol, acetaldehyde, ketone, aromatic hydrocarbons and chlorohydro carbons etc. Its boiling point is 204℃ and flash point 95℃. see details