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/418/501/product-dating-information-06-25-mk.pdf
P74370
2-Pyrrolidinone
99%
Synonym(s):
2-Pyrrolidone, Butyrolactam
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InChI key
HNJBEVLQSNELDL-UHFFFAOYSA-N
InChI
1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)
SMILES string
O=C1CCCN1
vapor density
2.9 (vs air)
assay
99%
form
solid
refractive index
n20/D 1.487 (lit.)
bp
245 °C (lit.)
mp
23-25 °C (lit.)
solubility
H2O: miscible (completely)
density
1.12 g/mL at 25 °C (lit.)
Quality Level
Gene Information
rat ... Gabra2(29706)
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This Item | |||
|---|---|---|---|
| assay 99% | assay ≥98.0% (GC) | assay ≥99% | assay ≥99.7% (GC) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| solubility H2O: miscible (completely) | solubility H2O: miscible (completely) | solubility benzene: miscible(lit.), carbon disulfide: miscible(lit.), chloroform: miscible(lit.), diethyl ether: miscible(lit.), ethanol: miscible(lit.), ethyl acetate: miscible(lit.), water: miscible(lit.) | solubility 1000 g/L |
| mp 23-25 °C (lit.) | mp 23-25 °C (lit.) | mp 23-25 °C (lit.) | mp -24 °C |
| density 1.12 g/mL at 25 °C (lit.) | density 1.12 g/mL at 25 °C (lit.) | density 1.12 g/mL at 25 °C (lit.) | density 1.03 g/cm3 at 20 °C |
| bp 245 °C (lit.) | bp 245 °C (lit.) | bp 245 °C (lit.) | bp 202 °C/1013 hPa |
Application
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Repr. 1B
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
Eyeshields, Gloves, type N95 (US)
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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