Quick Search

PRODUCTS

1-METHYL-2-PYRROLIDINONE (N-METHYL-2-PYRROLIDONE)

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) 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. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) has a role as a polar aprotic solvent. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a N-alkylpyrrolidine, a lactam and a member of pyrrolidin-2-ones.

CAS:    872-50-4
MF:    C5H9NO
MW:    99.13
EINECS:    212-828-1

Consult state, local or national regulations for proper disposal. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) must be made according to official regulations. 
Water, if necessary with cleansing agents.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is hygroscopic (picks up moisture) but stable under normal conditions. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) will violently react with strong oxidizers such as hydrogen peroxide, nitric acid, sulfuric acid, etc. 
The primary decomposition products produce carbon monoxide and nitrogen oxide fumes. 
Excessive exposure or spillage should be avoided as a matter of good practice. 

Lyondell Chemical Company recommends wearing butyl gloves when using 1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone). 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) should be stored in clean, phenolic-lined mild steel or alloy drums.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is an aprotic solvent with a wide range of applications: petrochemical processing, surface coating, dyes and pigments, industrial and domestic cleaning compounds, and agricultural and pharmaceutical formulations. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is mainly an irritant, but has also caused several cases of contact dermatitis in a small electrotechnical company.

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a powerful, aprotic solvent with high solvency, and low volatility. 
This colorless, high boiling, high flash point and low vapor pressure liquid carries a mild amine-like odor. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) has high chemical and thermal stability and is completely miscible with water at all temperatures. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) can serve as a co-solvent with water, alcohols, glycol ethers, ketones, and aromatic/chlorinated hydrocarbons. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is both recyclable by distillation and readily biodegradable. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is not found on the Hazardous Air Pollutants (HAPs) list of the 1990 Clean Air Act Amendments.

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) Chemical Properties
Melting point: -24 °C (lit.)
Boiling point: 202 °C (lit.) 81-82 °C/10 mmHg (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.: Store at +5°C to +30°C.
Solubility: ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
Form: Liquid
pka: -0.41±0.20(Predicted)
Color: ≤20(APHA)
PH: 8.5-10.0 (100g/l, H2O, 20℃)
Odor: Slight amine odor
PH Range: 7.7 - 8.0
Explosive limit: 1.3-9.5%(V)
Water Solubility: >=10 g/100 mL at 20 ºC
Sensitive: Hygroscopic
λmax: 283nm(MeOH)(lit.)
Merck: 14,6117
BRN: 106420
Stability: Stable, but decomposes upon exposure to light.
Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases.
InChIKey: SECXISVLQFMRJM-UHFFFAOYSA-N
LogP: -0.46 at 25℃
CAS DataBase Reference: 872-50-4(CAS DataBase Reference)
NIST Chemistry Reference:1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone)(872-50-4)
EPA Substance Registry System: 1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) (872-50-4)

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a colourless or light yellow liquid with an amine odour. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) can undergo a number of chemical reactions even though it is accepted as a stable solvent. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is resistant to hydrolysis under neutral conditions, but strong acid or base treatment results in ring opening to 4-methyl aminobutyric acid. 
1-Methyl-2-pyrrolidinone (N-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).
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) appears as a clear colorless liquid with a "fishlike" odor. 
Denser than water. 
Flash point 199 °F. 
Contact may irritate skin, eyes and mucous membranes. 
May be toxic by ingestion.

Uses    
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a polar aprotic solvent that has the advantages of low toxicity, high boiling point, outstanding solvency, strong selectivity and good stability.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is widely used in purification of aromatic hydrocarbon extraction, acetylene, olefins, and diolefins.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is used in industrial cleaning, and it serves as a solvent for production of pesticides, engineering plastics, coatings, synthetic fibers, and integrated circuits.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) can also be used as an industrial cleanser, dispersant, dye, lubricant and antifreeze.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is an excellent solvent, widely used in aromatics extraction, lubricating oil refining, acetylene enrichment, butadiene separation and synthesis gas desulfurization.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is used in gas desulfurization, lubricating oil refining, lubricating oil antifreeze, olefin extraction, and as a solvent for insoluble engineering plastics polymerization.

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) can be used in herbicide, to clean insulation materials, semiconductor industry precision instruments and circuit boards, to recycle PVC exhaust, as a detergent, dye supplement and dispersing agent.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is used in mediums for polymerization reactions such as engineering plastics and aramid fiber.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is used as a polyvinylidene fluoride solvent and electrode auxiliary material for lithium ion batteries.
High purity grade for ICP-MS detection.
For peptide synthesis.

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone), is useful for spectrophotometry, chromatography and ICP-MS detection. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is useful for the chemical functionalization of graphene sheets by solvothermal reduction of graphene oxide.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is also useful for pharmaceutical and different industrial applications due to its broad solvency and low volatility.
Solvent for high-temperature resins; petrochemical processing, in the microelectronics fabrication industry, dyes and pigments, industrial and domestic cleaning compounds; agricultural and pharmaceutical formulations.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone), is useful for spectrophotometry, chromatography and ICP-MS detection.

1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a polar solvent that is used in organic chemistry and polymer chemistry. 
Large scale applications include the recovery and purification of acetylenes, olefins, and diolefins, gas purification, and aromatics extraction from feedstocks.
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a versatile industrial solvent. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is currently approved for use only in veterinary pharmaceuticals. 
The determination of the disposition and metabolism of 1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) in the rat will contribute toward understanding the toxicology of this exogenous chemical which man may likely be exposed to in increasing amounts.

Industrial uses    
1) 1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is used as a general dipolar aprotic solvent, stable and unreactive;
2) for extraction of aromatic hydrocarbons from lubricating oils;
3) for carbon dioxide removal in ammonia generators;
4) as a solvent for polymerization reactions and polymers;
5) as a paint stripper;
6) for pesticide formulations (USEPA 1985).
Other non-industrial uses of1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) are based on its properties as a dissociating solvent suitable for electrochemical and physical chemical studies (Langan and Salman 1987). 
Pharmaceutical applications make use of the properties of 1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) as a penetration enhancer for a more rapid transfer of substances through the skin (Kydoniieus 1987; Barry and Bennett 1987; Akhter and Barry 1987). 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) has been approved as a solvent for slimicide application to food packaging materials (USDA 1986).

Reactivity Profile    
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is a very mild chemical base. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) does tend to neutralize acids to form salts plus water. 
The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. 
Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. 
Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides.

Contact allergens    
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is an aprotic solvent with a wide range of applications: petrochemical processing, surface coating, dyes and pigments, industrial and domestic cleaning compounds, and agricultural and pharmaceutical formulations. 
1-Methyl-2-pyrrolidinone (N-methyl-2-pyrrolidone) is mainly an irritant, but it can cause severe contact dermatitis due to prolonged contact.

Synonyms
1-METHYL-2-PYRROLIDINONE
872-50-4
N-Methylpyrrolidone
N-Methyl-2-pyrrolidone
1-methylpyrrolidin-2-one
Methylpyrrolidone
1-Methyl-2-pyrrolidone
N-Methyl-2-pyrrolidinone
M-Pyrol
N-Methylpyrrolidinone
1-Methylpyrrolidinone
1-Methylpyrrolidone
Methyl pyrrolidone
n-methyl-pyrrolidone
2-Pyrrolidinone, 1-methyl-
1-Methyl-5-pyrrolidinone
1-Methylazacyclopentan-2-one
N-methylpyrrolidin-2-one
NMP
N-Methyl-gamma-butyrolactam
N-methyl pyrrolidone
1-methylpyrrolidine-2-one
N-methyl pyrrolidinone
Methyl-2-pyrrolidinone
1-methyl-2-pyrrolidon
Methylpyrrolidinone
2-Pyrrolidinone, methyl-
Methylpyrrolidone [NF]
N-Methylpyrrolid-2-one
2687-44-7
N-Methyl-alpha-pyrrolidone
NSC 4594
Agsolex 1
N-Methyl-alpha-pyrrolidinone
51013-18-4
DTXSID6020856
NSC-4594
MFCD00003193
JR9CE63FPM
1-methyl-pyrrolidin-2-one
N-Methyl-.alpha.-pyrrolidone
CHEMBL12543
N-Methyl-.gamma.-butyrolactam
CHEBI:7307
N-Methyl-.alpha.-pyrrolidinone
1-Methyl-2-pyrrolidinone, anhydrous
1-Methyl-2-pyrrolidinone, HPLC Grade
N 0131
26876-92-6
DTXCID60856
pharmasolve
N-Methylpyrrolidon
CAS-872-50-4
CCRIS 1633
N-methyl-pyrrolidinone
Methylpyrrolidone, N-
HSDB 5022
Pyrrolidinone, methyl-
N-Methyl-2-pyrrolidon
1-methyl-2-pyrolidone
EINECS 212-828-1
UNII-JR9CE63FPM
N-methyl-pyrrolidin-2-one
1-Methyl-2-pyrrolidinone, puriss. p.a., >=99.0% (GC)
Micropure ultra
AI3-23116
N-methylpyrolidone
N-methypyrrolidone
Max-1 peptide
Pyrol M
N-methylpirrolidone
1methylpyrrolidinone
n-methyl pyrrolidon
n-methylbutyrolactam
N-methy pyrrolidone
N-methyl-pyrolidone
N-methyl-pyrrolidon
N-methylpyrolidinone
1-methylpyrolidinone
Microposit 2001
n-methylpyrollidinone
N-Methylpyrrolidione
N-methlypyrrolidinone
N-methyl pirrolidone
N-methyl pyrollidone
N-methyl-pyrollidone
N-methylpyrrolidone-
NMP,SP Grade
1-methyl pyrrolidone
1-methyl-pyrrolidone
methyl-2-pyrrolidone
N-methy pyrrolidinone
N-methyl pyrolidinone
N-methyl-pyrolidinone
N-methyl- pyrrolidone
N-methylpyrro-lidinone
N-methylpyrroli-dinone
N-methylpyrrolidin-one
1-methyl-2pyrrolidone
1-methyl2-pyrrolidone
1methyl-2-pyrrolidone
1-methyl pyrrolidinone
1-methyl-pyrrolidinone
methylpyrrolidin-2-one
N-methy-2-pyrrolidone
N-methyl 2-pyrolidone
N-methyl-2-pyrolidone
3p1d
N-methyl 2-pyrrolidone
N-methyl-2-pyrollidone
1-methyl-2-pirrolidone
1-methyl-2-pyroldinone
1-methylpyrrolid-2-one
1methyl-2-pyrrolidinone
n-methylpyrrolidine-2one
N-methyl-2-pyrolidinone
N-methyl-2-pyrrolidinon
N-methylpyrolidin-2-one
1-methy-2-pyrrolidinone
1-methyl-2-pyrolidinone
N-methyl 2-pyrrolidinone
N-methyl-2-pyrollidinone
N-methyl-pyrrolid-2-one
N-methylpyrollidin-2-one
1 -methyl-2-pyrrolidone
1-methyl 2-pyrrolidinone
1-methyl-2-pyrollidinone
1-methyl-pyrrolin-2-one
N-Methylpyrrolidone-(2)
NMP, N-Methylpyrrolidone
1-Methyl-pyrrolidin-2one
N-methylpyrrolidine-2-one
WLN: T5NVTJ A
N-methyl -2-pyrrolidinone
1 -methyl-2-pyrrolidinone
1-methyl -2-pyrrolidinone
1-methyl-2- pyrrolidinone
EC 212-828-1
2-Pyrrolidone, 1-methyl-
1-methyl-pyrrolidine-2-one
1-N-methyl-2-pyrrolidinone
N-methyl-pyrrolidin -2-one
30207-69-3
1-Methylazacyclopentane-2-one
GTPL9520
METHYL PYRROLIDONE [II]
1-Methyl-2- pyrrolidin-2-one
1-METHYLPYRROLIDONE [MI]
METHYL PYRROLIDONE [INCI]
NSC4594
METHYLPYRROLIDONE [USP-RS]
HY-Y1275
N-METHYLPYRROLIDONE [MART.]
ZINC3860621
Tox21_202350
Tox21_300097
1-Methyl-2-pyrrolidinone, 99.5%
BDBM50353587
N-Methyl pyrrolidon (Peptide Grade)
N-METHYLPYRROLIDONE [USP-RS]
s6282
STL183295
N-Methyl-2-pyrrolidinone ACS reagent
AKOS000120930
1-Methyl-2-pyrrolidinone, BioSolv(R)
DB12521
SL 1332
1-Methyl-2-pyrrolidone, Reagent, ACS
1-METHYL-2-PYRROLIDINONE [HSDB]
NCGC00247902-01
NCGC00247902-02
NCGC00253935-01
NCGC00259899-01
BP-31156
N-METHYLPYRROLIDONE [EP MONOGRAPH]
1-Methyl-2-pyrrolidone (Low water content)
AM20110252
CS-0017258
FT-0608052
FT-0672137
FT-0698122
FT-0700571
M0418
M3055
1-Methyl-2-pyrrolidinone, analytical standard
1-Methyl-2-pyrrolidinone, anhydrous, 99.5%
1-Methyl-2-pyrrolidinone, for HPLC, >=99%
1-Methyl-2-pyrrolidinone, for synthesis, 99%
D78116
M 0418
Q33103
Residual Solvent Class 2 - N-Methylpyrrolidone
1-Methyl-2-pyrrolidinone, ReagentPlus(R), 99%
1-Methyl-2-pyrrolidinone, Spectrophotometric Grade
2-PYRROLIDONE,1-METHYL MFC5 H9 N1 O1
A842053
1-Methyl-2-pyrrolidinone, ACS reagent, >=99.0%
2,5-Dichloro-4,6-dimethyl pyridine-3-carbonitrile
J-504921
J-803017
1-Methyl-2-pyrrolidinone, biotech. grade, >=99.7%
1-Methyl-2-pyrrolidinone, Electronic/Cleanroom Grade
1-Methyl-2-pyrrolidinone, p.a., ACS reagent, 99%
1-Methyl-2-pyrrolidone, anhydrous, water 40ppm max.
1-Methyl-2-pyrrolidinone, SAJ first grade, >=98.0%
Z104478382
1-Methyl-2-pyrrolidinone, spectrophotometric grade, >=99%
1-Methyl-2-pyrrolidinone, Vetec(TM) reagent grade, 98%
1-Methyl-2-pyrrolidinone, for metal speciation analysis, >=99.0% (GC)
Methylpyrrolidone, United States Pharmacopeia (USP) Reference Standard
N-Methylpyrrolidone, Pharmaceutical Secondary Standard; Certified Reference Material

  • Share !
E-NEWSLETTER