Production Method
Product Name：1-Methyl-2-pyrrolidinone
CAS. No. 2687-44-7
Molecular formula：C5H9NO
Application
Used as a non-aqueous catalyst for the pre-reaction of 2402 resin with active magnesium oxide. It is also used as solvent and cosolvent. As a cosolvent of waterborne polyurethane adhesive, it can dissolve DMPA, reduce the viscosity of prepolymer, facilitate the dispersion of prepolymer, and also participate in the ammonia esterification reaction.
Product Parameter (Specification)
Product Name1-Methyl-2-pyrrolidinone
CAS No.1310-66-3
Molecular FormulaLiOH·H2O
Nickname (s)N-Methyl-2-pyrrolidone
Molecular weight99.13110
Precise quality99.06840
PSA20.31000
LOGP0.17650
Prodection Details
Appearance colorless transparent oily liquid
Density (rho 25) 1.032 ~ 1.035g/cm3
Chroma 425
The refractive index is 1.466 ~ 1.472
The quality score of NMP is 99.5%
Moisture 0.05% or less
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Receiving And Cleaning Methods Of Leaked Chemicals And The Disposal Materials Used
Small leakage: collect the leakage liquid in an airtight container as far as possible. Absorb with sand, activated carbon or other inert materials and transfer to a safe place. No flushing down the drain.
Large amount of leakage: build dikes or dig pits for shelter. Seal drainage pipes. Cover with foam to inhibit evaporation. Transfer to tanker or special collector with explosion-proof pump, recovery or transport to waste disposal site.Agrochemical Intermediates manufacturers
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