1-Methyl-2-pyrrolidinone 872-50-4 NMP N-Methyl-2-pyrrolidinone
Price | $11.5 |
Package | 25KG |
Min. Order: | 1KG |
Supply Ability: | 2100 MT per month |
Update Time: | 2020-06-02 |
Product Details
Product Name: 1-Methyl-2-pyrrolidinone 872-50-4 NMP N-Methyl-2-pyrrolidinone | CAS No.: 872-50-4 |
Min. Order: 1KG | Purity: 99.50% IN STOCK |
Supply Ability: 2100 MT per month | Release date: 2020/06/02 |
E-mail : chemwill_asia@126.com | Mailbox: sales@chemwill.com |
Contact person: Ms Ella Yu | 1-Methyl-2-pyrrolidinone: CAS 872-50-4 |
1-Methyl-2-pyrrolidinone COA TDS price MSDS
1-Methyl-2-pyrrolidinone MSDS
1-Methyl-2-pyrrolidinone TDS
1-Methyl-2-pyrrolidinone price
Product no. chemwill-1-Methyl-2-pyrrolidinone-9210010
1-Methyl-2-pyrrolidinone Manufacturer High quality Best price In stock factory
1-Methyl-2-pyrrolidinoneCAS 872-50-4
N-Methyl-2-pyrrolidinone; N-Methyl-2-Pyrrolidone; N-Methylpyrrolidone; NMP CAS 872-50-4
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Name: 1-Methyl-2-pyrrolidinone
Synonyms: N-METHYLPYROLIDONE;N-METHYLPYRROLID-2-ONE;N-METHYLPYRROLIDINONE;N-METHYLPYRROLIDNONE;N-METHYLPYRROLIDONE;NMP-T;NMP-EL;NMP
CAS: 872-50-4
MF: C5H9NO
MW: 99.13106
EINECS: 212-828-1
1-Methyl-2-pyrrolidinone Chemical Properties
Chemical Properties l-Methyl-2-pyrrolidone can undergo a number of chemical reactions even though it is accepted as a stable solvent. It is resistant to hydrolysis under neutral conditions, but strong acid or base treatment results in ring opening to 4-methyl aminobutyric acid. l-Methyl-2-pyrrolidone can be reduced to 1-methyl pyrrolidine with borohydride. Treatment with chlorinating agents results in amide formation,an intermediate which can undergo further substitution, while treatment with amyl nitrate yields the nitrate. Olefins can be added to the 3 position by treatment first with oxalic esters, then with appropriate aldehyes (Hort and Anderson 1982).
Chemical Properties colourless or light yellow liquid with an amine odour
Uses It is a versatile industrial solvent. NMP is currently approved for use only in veterinary pharmaceuticals. The determination of the disposition and metabolism of NMP in the rat will contribute toward understanding the toxicology of this exogenous chemical which man may likely be exposed to in increasing amounts.
1-Methyl-2-pyrrolidinone Preparation Products And Raw materials
Raw materials Acetone-->METHYLAMINE-->gamma-Butyrolactone-->Butyramide
N-Methyl-2-pyrrolidone (NMP) is an organic compound consisting of a 5-membered lactam. It is a colorless liquid, although impure samples can appear yellow. It is miscible with water and with most common organic solvents. It also belongs to the class of dipolar aprotic solvents such as dimethylformamide and dimethyl sulfoxide. It is used in the petrochemical and plastics industries as a solvent, exploiting its nonvolatility and ability to dissolve diverse materials.
N-methyl-pyrrolidinone; N-methyl-2-pyridone-5-carboxamide; 1-methylpyrrolidin-2-one; N-methyl-pyrrolidin-2-one; 1-Methyl-2-pyrrolidinone;
Appearance & Physical State colourless or light yellow liquid with an amine odour
Density 1.033
Boiling Point 202ºC
Melting Point -24ºC
Flash Point 91ºC
Refractive Index n20/D 1.479
Water Solubility >=10 g/100 mL at 20 ºC
Stability Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases.
Storage Condition 2-8ºC
Vapor Density 3.4 (vs air)
Vapor Pressure 0.29 mm Hg ( 20 °C)
Safety Info
RTECS UY5790000
Safety Statements S41
HS Code 2933990090
Melting point −24 °C(lit.)
Boiling point 202 °C(lit.)
density 1.028 g/mL at 25 °C(lit.)
vapor density 3.4 (vs air)
vapor pressure 0.29 mm Hg ( 20 °C)
refractive index n20/D 1.479
Fp 187 °F
storage temp. 2-8°C
solubility ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
form Liquid
color ≤20(APHA)
PH 8.5-10.0 (100g/l, H2O, 20℃)
1-Methyl-2-pyrrolidinone Usage And Synthesis
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- Since: 2004-09-01
- Address: BLDG 9,No.235 Sanlin road,Pudong new district,Shanghai,China