Description
ChemicalBook > CAS DataBase List > N-Vinyl-2-pyrrolidone

N-Vinyl-2-pyrrolidone

Description
Product Name
N-Vinyl-2-pyrrolidone
CAS No.
88-12-0
Chemical Name
N-Vinyl-2-pyrrolidone
Synonyms
NVP;N-VINYLPYRROLIDONE;1-Vinylpyrrolidin-2-one;Vinylpyrrolidone;1-VINYL-2-PYRROLIDONE;1-VINYL-2-PYRROLIDINONE;2-Pyrrolidinone, 1-ethenyl-;N-VINYL-2-PYRROLIDINONE;N-VinyPyrrolidone;N-Vinylpyrrolidinone
CBNumber
CB3272024
Molecular Formula
C6H9NO
Formula Weight
111.14
MOL File
88-12-0.mol
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N-Vinyl-2-pyrrolidone Property

Melting point:
13-14 °C
Boiling point:
92-95 °C11 mm Hg(lit.)
Density 
1.04 g/mL at 25 °C(lit.)
vapor density 
3.8 (vs air)
vapor pressure 
0.1 mm Hg ( 24 °C)
refractive index 
n20/D 1.512(lit.)
Flash point:
201 °F
storage temp. 
Store below +30°C.
solubility 
52.1g/l soluble
form 
Liquid
pka
-0.34±0.20(Predicted)
color 
Clear colorless to yellow
PH
9-10 (100g/l, H2O, 20℃)
explosive limit
1.4-10%(V)
Water Solubility 
miscible
Merck 
14,7697
BRN 
110513
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
WHNWPMSKXPGLAX-UHFFFAOYSA-N
LogP
0.4 at 25℃
CAS DataBase Reference
88-12-0(CAS DataBase Reference)
NIST Chemistry Reference
N-Vinylpyrrolidone(88-12-0)
IARC
3 (Vol. 19, Sup 7, 71) 1999
EPA Substance Registry System
N-Vinyl-2-pyrrolidone (88-12-0)
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Safety

Hazard Codes 
Xn
Risk Statements 
20/21/22-37-40-41-48/20
Safety Statements 
26-36/37/39
RIDADR 
UN 2810 6.1/PG 3
WGK Germany 
1
RTECS 
UY6107000
Autoignition Temperature
685 °F
TSCA 
TSCA listed
HazardClass 
6.1
PackingGroup 
III
HS Code 
29337900
Hazardous Substances Data
88-12-0(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1022 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H318Causes serious eye damage

H335May cause respiratory irritation

H351Suspected of causing cancer

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
V3409
Product name
1-Vinyl-2-pyrrolidinone
Purity
contains sodium hydroxide as inhibitor, ≥99%
Packaging
1kg
Price
$155
Updated
2024/03/01
Sigma-Aldrich
Product number
PHR1740
Product name
1-Vinyl-2-pyrrolidinone
Purity
Pharmaceutical Secondary Standard; Certified Reference Material
Packaging
200mg
Price
$377
Updated
2024/03/01
Sigma-Aldrich
Product number
8.08518
Product name
1-Vinyl-2-pyrrolidone
Purity
(stabilized with N,N′-di-sec-butyl-1,4-phenylenediamine) for synthesis
Packaging
5ml
Price
$35.3
Updated
2024/03/01
Sigma-Aldrich
Product number
8.08518
Product name
1-Vinyl-2-pyrrolidone
Purity
(stabilized with N,N′-di-sec-butyl-1,4-phenylenediamine) for synthesis
Packaging
250ML
Price
$53.3
Updated
2024/03/01
TCI Chemical
Product number
V0026
Product name
1-Vinyl-2-pyrrolidone (stabilized with N,N'-Di-sec-butyl-p-phenylenediamine)
Purity
>99.0%(GC)
Packaging
25mL
Price
$27
Updated
2024/03/01
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N-Vinyl-2-pyrrolidone Chemical Properties,Usage,Production

Description

N-vinyl-2-pyrrolidone (NVP) is commonly used as a reactive diluent for radiation curing in UV-coating, UV-inks, and UV adhesives. It is used as a monomer to produce water soluble polyvinylpyrrolidone (PVP) with uses in pharmaceuticals, oil field, cosmetics, food additives & adhesives. It is used in the manufacture of copolymers with, for example, acrylic acid, acrylates, vinyl acetate and acrylonitrile and in the synthesis of phenolic resins.

Chemical Properties

Colorless liquid. Combustible.

Uses

1-Vinyl-2-pyrrolidinone is used in the preparation of NMDA receptor antagonists. Also used in the synthesis of copolymers used to stabilize rhodium nanoclusters.

Uses

A pyrrolidine used for biochemical research

Definition

ChEBI: N-Vinyl-2-pyrrolidone is a member of pyrrolidin-2-ones.

Application

N-Vinyl-2-pyrrolidone (NVP) is an important precursor and intermediate for process auxiliaries and additives. The main areas of use are the production of polyvinylpyrrolidone and copolymers, the preferred comonomers being vinyl acetate and methyl acrylate. Ca. 10–15% of the monomer is used in the pharmaceutical industry for the production of a polyvinylpyrrolidone–iodine complex used as a disinfectant. NVP is also used as a reactive solvent for UV-curable resins for the production of printing inks and paints as paper and textile auxiliaries, and as an additive in the cosmetics industry.

Production Methods

Industrially, N-Vinyl-2-pyrrolidone (NVP) is produced by reacting 2-pyrrolidone with acetylene in highpressure autoclaves at 130–170 ℃ and pressures of up to 2.6 MPa. Vinylation proceeds in the liquid phase and is catalyzed by 2-pyrrolidone–potassium. The salt is obtained by adding 1–5% potassium hydroxide or caustic potash solution to fresh pyrrolidone and removing excess water by vacuum distillation (batchwise or continuously). The vinylation reaction takes place in a liquid-phase tube or loop reactor, or in a gas-phase reactor. To avoid the danger of acetylene explosions, nitrogen or propane mixtures of acetylene are used instead of pure acetylene. After the vinylation, the crude product obtained is purified by multistep vacuum distillation. Unreacted 2-pyrrolidone and derivatives can be recycled. Excess acetylene is removed by distillation and can also be recycled to the process. ?Another industrially important synthetic route is based on N-(1-hydroxyethyl)-2-pyrrolidone (HEP). In this process, HEP is dehydrated in the gas phase in a heterogeneously catalyzed reaction at 320–400 ℃ and 10 kPa. The obtained crude NVP is purified by vacuum distillation or crystallization.

General Description

1-Vinyl-2-pyrrolidinone is a colorless to yellow liquid, with a characteristic odor. Its melting point is around 13.5oC and boils at about 90-92oC. VP is completely miscible in water and in most organic solvents but partially miscible in aliphatic hydrocarbons. Industrial production of VP by reacting 2-pyrrolidone with acetylene at high pressure and temperature has been reported. The vinylation process proceeds in liquid phase and is catalyzed by 3-pyrrolidone -potassium hydroxide.

Chemical Reactivity

N-Vinyl-2-pyrrolidone (NVP) is stable toward alkalis at room temperature. Above 0 ℃ it is cleaved by aqueous mineral acids into acetaldehyde and 2-pyrrolidone; the latter reacts with an excess of NVP to give 1,1'-ethylidene-bis-2- pyrrolidone. Protic compounds such as amides, thiols, alcohols, and phenols add to the double bond according to the Markovnikov rule, for example, N-(1-phenoxyethyl)-2-pyrrolidone is formed with phenol. Catalytic hydrogenation produces N-ethyl-2-pyrrolidone. Hydroformylation on rhodium catalysts forms 2-N-(2-pyrrolidonyl)-propanal as the major product. On prolonged standing, particularly in warm conditions, NVP tends to polymerize. Industrially, N-Vinyl-2-pyrrolidone (NVP) is converted into polyvinylpyrrolidone using radical initiators.

Safety Profile

Confirmed carcinogen. Moderately toxic by ingestion, inhalation, and skin contact. A severe eye irritant. Probably irritating and narcotic in high concentrations. Combustible when exposed to heat or flame; can react vigorously with oxibzing materials. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits highly toxic fumes of NOx.

storage

N-Vinyl-2-pyrrolidone (NVP) must be protected from heat and direct sunlight. Even in closed containers NVP can only be stored for a limited period because it tends to polymerize. Stabilizers are therefore added. N,N'-Bis(1-methylpropyl)-1,4-benzenediamine [101-96-2] is an important, NVP-soluble stabilizer that does not interfere with further processing. Use of this stabilizer allows the product to be stored for ca. 300 d at 20 ℃, and ca. 150 d at 25 ℃. Stabilization with solid sodium hydroxide that can be easily filtered off is not as efficient. Storage at temperatures close to the melting point results in separation of NVP from the stabilizer due to repeated solidification and melting. This shortens the shelf life considerably and can lead to uncontrolled polymerization. Solidified NVP must therefore be molten carefully in a water bath (max. 40 ℃) or at room temperature (max. 30 ℃) and homogenized by continuous agitation.

N-Vinyl-2-pyrrolidone Preparation Products And Raw materials

Raw materials

Potassium hydroxide Cyclohexane Succinimide Nickel Ethylene glycol

Preparation Products

Polyvinylpyrrolidone 5-Methylindole
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View Lastest Price from N-Vinyl-2-pyrrolidone manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
N-Vinyl-2-pyrrolidone NVP 88-12-0
Price
US $99.00-35.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-15
WUHAN FORTUNA CHEMICAL CO., LTD
Product
N-Vinyl-2-pyrrolidone 88-12-0
Price
US $0.00/KG
Min. Order
200KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-01
Shandong Deshang Chemical Co., Ltd.
Product
N-Vinyl-2-pyrrolidone 88-12-0
Price
US $10.00-7.00/kg
Min. Order
1kg
Purity
99.99%
Supply Ability
10 tons
Release date
2024-06-14

88-12-0, N-Vinyl-2-pyrrolidoneRelated Search:

VINYL PROPIONATE Povidone iodine 2-Pyrrolidinone N-Methyl-2-pyrrolidone Vinyl acetate N-Ethyl-N-cyanoethyl-m-toluidine N-Vinylcaprolactam N-ETHYL-P-TOLUIDINE N-ETHYLISOPROPYLAMINE METHYL-2-PYRROLIDONE poly(1-vinyl-2-pyrrolidone N-vinyl-y-pyrrolidone N-VINYLPYRROLIDONE/STYRENE COPOLYMER Crospovidone Methacrylic acid (zirconium salt) 1-Methyl-3-vinylimidazolium methyl sulfate-N-vinyl-2-pyrrolidone copolymer 2-Pyrrolidinone, 1-ethenyl-, polymer with 1-ethenyl-1H-imidazole Pyrrole

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