Q&A

Is NMP miscible with water?

Is NMP miscible with water?

N-Methyl-2-Pyrrolidone (NMP) is a high boiling, polar aprotic, low viscosity liquid. NMP has a good solvency for a wide range of organic and inorganic compounds and it is miscible with water at all temperatures and has a high chemical and thermal stability.

Is NMP acidic or basic?

NMP is stable under neutral conditions, but it is easy to open loop under acidic or alkaline conditions to form acid and other products, and both alkali and temperature have effects on the hydrolysis of NMP[9].

Is NMP polar or nonpolar?

NMP (N-Methyl-2-Pyrrolidone) is a polar solvent with outstanding characteristics. It has a wide range of applications because it offers very high solvency, high boiling point, low freezing point, and ease of handling.

What is N methyl pyrrolidone used for?

Q1. What is N-Methylpyrrolidone (NMP)? N-Methylpyrrolidone (NMP) is a solvent used in a variety of industries and applications, such as paint and coating removal, petrochemical processing, engineering plastics coatings, agricultural chemicals, electronic cleaning and industrial/domestic cleaning.

Is NMP an amine?

Sample results are reported as Total Amines, which includes the identification and quantification of the following three compounds: Monomethylamine.

What NMP means?

Not My Problem
NMP (Not My Problem), is a common abbreviation used as a response to email or memo messages, to flag that the previous message has been ignored.

Is N methyl pyrrolidone toxic?

In acute toxicity studies in rodents, NMP showed low toxicity. Uptake of oral, dermal, or inhaled acutely toxic doses causes functional disturbances and depres- sions in the central nervous system.

Is NMP hazardous?

It is toxic to the reproductive system of male and female test animals. The reproductive effects of NMP in humans have not been studied. Based on the animal tests, you should treat NMP as a potential human reproductive hazard. Overexposure to NMP irritates the eyes, skin, nose, and throat.

Is NMP a GBL?

NMP is a polar aprotic solvent with good solvency with a wide range of organic and inorganic compounds. NMP production includes two key reactions: esterification and hydrogenolysis of maleic anhydride, which produces gamma-butyrolactone (GBL).

What is the pKa of 4-methylpyridine in soil?

Soil Adsorption/Mobility. The pKa of 4-methylpyridine is 5.98 (3), indicating that this compound will exist partially in cation form in the environment and cations generally adsorb more strongly to soils containing organic carbon and clay than their neutral counterparts (4). Soil studies with 2-methylpyridine (5),…

What kind of solvent is N-methylpyrrolidin-2-one?

N-methylpyrrolidin-2-one is a member of the class of pyrrolidine-2-ones that is pyrrolidin-2-one in which the hydrogen attached to the nitrogen is replaced by a methyl group. It has a role as a polar aprotic solvent. It is a N-alkylpyrrolidine, a lactam and a member of pyrrolidin-2-ones.

What kind of liquid is 1 methyl 2 pyrrolidone?

1-Methyl-2-pyrrolidone, or N-Methyl-2-pyrrolidone (NMP), is a chemical compound with 5-membered lactam structure. It is a colorless to slightly yellow liquid miscible with water. It is used in petrochemical processing, and as a solvent for surface treatment of textiles, resins and metal coated plastics…

How is N-methylpyrrolidin-2-one toxic to humans?

Flash point 199°F. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion. N-methylpyrrolidin-2-one is a member of the class of pyrrolidine-2-ones that is pyrrolidin-2-one in which the hydrogen attached to the nitrogen is replaced by a methyl group.