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Merck

240338

Sigma-Aldrich

2-Pyrrolidinon

≥99%

Synonym(e):

2-Pyrrolidon, Butyrolactam

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50 G
69,20 €

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50 G
69,20 €

About This Item

Empirische Formel (Hill-System):
C4H7NO
CAS-Nummer:
Molekulargewicht:
85.10
Beilstein:
105241
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352100
PubChem Substanz-ID:
NACRES:
NA.22

69,20 €


Versandbereit am23. April 2025Details


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Dampfdichte

2.9 (vs air)

Qualitätsniveau

Assay

≥99%

Form

solid

Brechungsindex

n20/D 1.487 (lit.)

bp

245 °C (lit.)

mp (Schmelzpunkt)

23-25 °C (lit.)

Löslichkeit

benzene: miscible(lit.)
carbon disulfide: miscible(lit.)
chloroform: miscible(lit.)
diethyl ether: miscible(lit.)
ethanol: miscible(lit.)
ethyl acetate: miscible(lit.)
water: miscible(lit.)

Dichte

1.12 g/mL at 25 °C (lit.)

SMILES String

O=C1CCCN1

InChI

1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)

InChIKey

HNJBEVLQSNELDL-UHFFFAOYSA-N

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Allgemeine Beschreibung

The FT-IR spectra of the hydrogen bonding lactam 2-pyrrolidinone in CCl4 was studied[1].

Anwendung

2-Pyrrolidinone is used as a starting material in the synthesis of polyvinylpyrrolidone (PVP),[2] (±)-tashiromine,[3] (±)-tetraponerine T4,[4] (+)-ricciocarpins A and B.[5]

Piktogramme

Health hazardExclamation mark

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

Eye Irrit. 2 - Repr. 1B

Lagerklassenschlüssel

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flammpunkt (°F)

235.4 °F - closed cup

Flammpunkt (°C)

113 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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Die Dokumentenbibliothek aufrufen

Application of enantioselective radical reactions: synthesis of (+)-ricciocarpins A and B.
Sibi MP and He L
Organic Letters, 6(11), 1749-1752 (2004)
Photocatalyzed degradation of polymers in aqueous semiconductor suspensions: V. Photomineralization of lactam ring-pendant polyvinylpyrrolidone at titania/water interfaces.
Horikoshi S, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 138(1), 69-77 (2001)
Electrophilic Activation of Lactams with Tf2O and Pyridine: Expedient Synthesis of (?)-Tetraponerine T4.
Charette A B, et al.
Organic Letters, 7(24), 5401-5404 (2005)
Intramolecular Additions of Various ?-Nucleophiles to Chemoselectively Activated Amides and Application to the Synthesis of (?)-Tashiromine.
Belanger G, et al.
The Journal of Organic Chemistry, 71(2), 704-712 (2006)
Shichang Zhang et al.
Proceedings. Biological sciences, 279(1734), 1824-1830 (2011-11-25)
Spider webs are made of silk, the properties of which ensure remarkable efficiency at capturing prey. However, remaining on, or near, the web exposes the resident spiders to many potential predators, such as ants. Surprisingly, ants are rarely reported foraging

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 Antwort
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 Antwort
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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