| N-ETHYL-2-PYRROLIDONE | ||
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PRODUCT IDENTIFICATION |
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| CAS NO. | 2687-91-4 |
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| EINECS NO. | 220-250-6 | |
| FORMULA | C6H11NO | |
| MOL WT. | 113.16 | |
| H.S. CODE | 2933.79.8500 | |
|
TOXICITY |
Oral Rat LD50: 1350mg/kg | |
| SYNONYMS | 1-Ethyl-2-pyrrolidinone; NEP; 1-éthylpyrrolidine-2-one; 1-Ethylpyrrolidin-2-one; | |
| 1-Ethylpyrrolidin-2-on; 1-Etilpirrolidin-2-ona; N-Ethylpyrrolidone; N-Ethyl-2-pyrrolidinon; N-Ethylpyrrolidinone; | ||
|
SMILES |
N1(C(CCC1)=O)CC | |
|
CLASSIFICATION |
Lactam, Solvent, Pyrrolidine, Intermediate |
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PHYSICAL AND CHEMICAL PROPERTIES |
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| PHYSICAL STATE | Clear, colorless liquid | |
| MELTING POINT | < -75 C | |
| BOILING POINT | 97 at 20 mm Hg | |
| SPECIFIC GRAVITY | 0.992 | |
| SOLUBILITY IN WATER | Miscible (and soluble in other organic solvents.) | |
| pH |
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| VAPOR DENSITY |
3.90 |
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| NFPA RATINGS |
Health: 2 Flammability: 2 Instability: 0; |
|
| log Pow | -0.04 (Octanol-water) | |
| VAPOR PRESSURE | 0.103 (mmHg) | |
| HENRY'S LAW | 4.19E-08 (atm-m3/mole at 25 C) | |
| OH RATE | 2.54E-11 (cm3/molecule-sec at 25 C Atmospheric) | |
|
REFRACTIVE INDEX |
1.465 - 1.467 | |
| FLASH POINT |
76 C |
|
| STABILITY | Stable under ordinary conditions. | |
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GENERAL DESCRIPTION & EXTERNAL LINKS |
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Pyrrolidone is
a keto-pyrrole, that is a 5-membered lactam structure
compound (gamma-butyrolactam). Lactam structure compound
including pyrrolidone has good solvency property, therefore
useful in industrial application. It is an important part of antibiotics, such as penicillin.
These structures, cyclic esters and analogues, are active nucleuses in
pharmacological activity and flavorings. Lactams have big demand
in artificial fibre industry. They are polymerizable
and used as nylon precursors. 2-Pyrrolidone is used as a solvent
for surface treatment for textiles,
metal coated plastics, polymers, and paint removing.
Pyrrolidone and its derivatives are used as Intermediates for the synthesis
of agrochemicals, pharmaceuticals, textile
auxiliaries, plasticizers, polymer solvent,
stabilizers, specialty inks and as a nylon
precursor. NMP is used as a solvent
for paint stripping and resins; cleaner for polymeric
residues; metal finishing; printed circuit board manufacturing;
SBR latex production; pigment dispersant; extraction
of acetylene and butadiene; dehydration of natural gas;
lube oil processing;
http://worldaccount.basf.com/ http://www.chemcas.org/ http://scholar.google.co.kr/ |
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| SALES SPECIFICATION | ||
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APPEARANCE |
clear to slightly yellow liquid |
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|
ASSAY |
99.0% min |
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|
WATER |
0.5% max |
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|
COLOR (APHA) |
50 max |
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| TRANSPORTATION | ||
| PACKING | ||
| HAZARD CLASS | XN | |
| UN NO. |
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| OTHER INFORMATION | ||
| Hazard Symbols: XN, Risk Phrases: 22-36, Safety Phrases: 26-36 | ||
GENERAL DESCRIPTION OF LACTONE |
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Lactone is an internal cyclic monoester (anhydride) derived from the hydroxyl and carboxyl radicals of gamma or delta hydroxy acids by the removal of a H2O between a carboxyl and a hydroxyl group in the same molecule; gamma-hydroxybutyric acid forms gamma-butyrolactone and delta-hydroxydecanoic acid forms delta-decalactone spontaneously. In result, prefixes describe the ring size: beta- is for 4-membered ring), gamma- , 5-membered, and delta-, 6-membered ring. Lactam (a cyclic amide) is the nitrogen analog of lactone. Gamma-aminobutyric acid forms gamma-butyrolactam (also called 2-pyrrolidinone). Lactim is the tautomeric enol form of lactam. Lactam structure, a heteroatomic cyclic amide compound, is an important part in antibiotics such as penicillin. These structures, cyclic esters and analogues, are active nucleuses in pharmacological activity and flavorings. Their good solvency properties also useful in industrial application. Lactams have big demand in artificial fibre industry. They are polymerizable and used as nylon precursors. |
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