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
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328634
NMP
anhydrous, 99.5%
Synonym(e):
1-Methyl-2-Pyrrolidinon, N-Methyl-2-pyrrolidon, M-PYROL, NMP
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| Größe/SKU | Verfügbarkeit | Preis |
|---|
Über diesen Artikel
Produktname
1-Methyl-2-pyrrolidon, anhydrous, 99.5%
grade
anhydrous
Quality Segment
vapor density
3.4 (vs air)
vapor pressure
0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)
assay
99.5%
form
liquid
autoignition temp.
518 °F
expl. lim.
9.5 %
impurities
<0.005% water
refractive index
n20/D 1.47 (lit.)
pH
7.7-10.0 (20 °C, 100 g/L)
bp
202 °C (lit.), 81-82 °C/10 mmHg (lit.)
mp
−24 °C (lit.)
density
1.028 g/mL at 25 °C (lit.)
SMILES string
CN1CCCC1=O
InChI
1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
InChI key
SECXISVLQFMRJM-UHFFFAOYSA-N
General description
Application
Packaging
Other Notes
Legal Information
1 of 1
Dieser Artikel | |
|---|---|
| description anhydrous, 99.5% | description for Peptide Synthesis |
| Quality Level 200 | Quality Level 200 |
| grade anhydrous | grade - |
| assay 99.5% | assay ≥99.5% (GC) |
| form liquid | form liquid |
| density 1.028 g/mL at 25 °C (lit.) | density 1.03 g/cm3 at 20 °C |
| expl. lim. 9.5 % | expl. lim. - |
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Lagerklasse
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
flash_point_f
195.8 °F - Pensky-Martens closed cup
flash_point_c
91 °C - Pensky-Martens closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
872-50-4
872-50-4
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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Is NMP compatible with PTFE?
1 answer-
N-Methylpyrrolidone (NMP) is a commonly used solvent, and it is compatible with polytetrafluoroethylene (PTFE).
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Is NMP supplied under N2 or air?
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This product is packaged under nitrogen.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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Is this NMP suitable for HPLC and GC analysis?
1 answer-
Yes, this product is suitable for HPLC and GC analysis. This anhydrous NMP can be effectively used in environments where moisture must be minimized, which is often critical in analytical techniques like HPLC and GC.
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Does it have molecular shieve in the bottle?
1 answer-
Molecular sieves are not included with this anhydrous material. However, the 18L size is packaged in the Pure-Pac II container, and the 100 mL to 2L volumes utilize Sure/Seal closures. Please see the links below to learn more about each package type:
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Could you please provide me with the dimensions of the bottle containing the product 328634-2L (1-Methyl-2-pyrrolidinone)?
1 answer-
The packaging description for the bottle is as follows:
• Bottle Type: Narrow Neck Glass Bottle
• Capacity: 2500 ml (Nominal), 2750 ml (Brimful)
• Closure Type: Crown Cap (Sure/Seal)
• Glass Type: Amber Glass (Hydrolytic Class III)
• Diameter: 139 mm
• Height: 286 mm
• Height with Cap: 293 mm
• Thread Diameter: 32 mm
• Thread Type: 32 mm
• Inner Diameter of Opening: 17 mmHelpful?
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