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1-Methyl-2-pyrrolidinone

1-Methyl-2-pyrrolidinone Suppliers list
Company Name:J & K SCIENTIFIC LTD.  Gold
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Products Intro: Product Name:1-Methyl-2-pyrrolidinone, ACS/HPLC Certified
CAS:872-50-4
Purity:99.7% Package:4L
Company Name:Tianjin Zhongxin Chemtech Co., Ltd.  Gold
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Products Intro: Purity:99.5%min Package:200kg/Drum
Company Name:Shanghai Aladdin Bio-Chem Technology Co.,LTD  Gold
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Products Intro: Product Name:1-Methyl-2-pyrrolidinone
CAS:872-50-4
Package:1G;5G;25G;100G;1KG;5KG;25KG
Company Name:Jinan Haohua Industry Co., Ltd  Gold
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Products Intro: Product Name:1-Methyl-2-pyrrolidinone
CAS:872-50-4
Company Name:ShangHai DeBang Chemical Co., Ltd.  Gold
Tel:021-61531158
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Products Intro: Product Name:1-Methyl-2-pyrrolidone;N-Methyl-2-pyrrolidone;NMP
CAS:872-50-4
Purity:99.0% Package:37元/AR500ml,200瓶以上35元
1-Methyl-2-pyrrolidinone Basic information
Product Name:1-Methyl-2-pyrrolidinone
Synonyms:M-PYROL(R);N-METHYLPYROLIDONE;N-METHYLPYRROLID-2-ONE;N-METHYLPYRROLIDINONE;N-METHYLPYRROLIDNONE;N-METHYLPYRROLIDONE;NMP-T;NMP-EL
CAS:872-50-4
MF:C5H9NO
MW:99.13
EINECS:212-828-1
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Mol File:872-50-4.mol
1-Methyl-2-pyrrolidinone Structure
1-Methyl-2-pyrrolidinone Chemical Properties
mp −24 °C(lit.)
bp 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
color ≤20(APHA)
Water Solubility >=10 g/100 mL at 20 ºC
Sensitive Hygroscopic
Merck 14,6117
BRN 106420
Stability:Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases.
CAS DataBase Reference872-50-4(CAS DataBase Reference)
NIST Chemistry Reference2-Pyrrolidinone, 1-methyl-(872-50-4)
EPA Substance Registry System2-Pyrrolidinone, 1-methyl-(872-50-4)
Safety Information
Hazard Codes T,Xi
Risk Statements 45-65-36/38-36/37/38-61-10-46
Safety Statements 41-45-53-62-26
WGK Germany 1
RTECS UY5790000
F 3-8-10
TSCA Y
Hazardous Substances Data872-50-4(Hazardous Substances Data)
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
1-Methyl-2-pyrrolidinone Usage And Synthesis
Chemical Propertiescolourless or light yellow liquid with an amine odour
Usagehigh purity grade for ICP-MS detection
UsageIt 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.
General DescriptionA 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.
Air & Water ReactionsSoluble in water.
Reactivity ProfileThis amine is a very mild chemical base. 1-Methyl-2-pyrrolidinone 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.
Health HazardInhalation of hot vapors can irritate nose and throat. Ingestion causes irritation of mouth and stomach. Contact with eyes causes irritation. Repeated and prolonged skin contact produces a mild, transient irritation.
Fire HazardSpecial Hazards of Combustion Products: Toxic oxides of nitrogen may be formed in fire.
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