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494496

Sigma-Aldrich

NMP

biotech. grade, ≥99.7%

Synonym(s):

1-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidone, NMP

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About This Item

Empirical Formula (Hill Notation):
C5H9NO
CAS Number:
Molecular Weight:
99.13
Beilstein:
106420
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.07
grade:
biotech. grade
Assay:
≥99.7%
application(s):
peptide synthesis
bp:
202 °C (lit.)
81-82 °C/10 mmHg (lit.)
vapor pressure:
0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)
Pricing and availability is not currently available.

Product Name

1-Methyl-2-pyrrolidinone, biotech. grade, ≥99.7%

grade

biotech. grade

Quality Level

vapor density

3.4 (vs air)

vapor pressure

0.29 mmHg ( 20 °C)
0.99 mmHg ( 40 °C)

Assay

≥99.7%

form

liquid

autoignition temp.

518 °F

expl. lim.

9.5 %

impurities

≤0.005% water
≤0.01% free amines (CH3NH2)

color

APHA: ≤20

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.)

solubility

acetone: miscible(lit.)
alcohol: miscible(lit.)
chloroform: miscible(lit.)
ethyl acetate: miscible(lit.)
water: miscible(lit.)

density

1.028 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 285 nm Amax: 1.00
λ: 300 nm Amax: 0.50
λ: 325 nm Amax: 0.10
λ: 350-400 nm Amax: 0.01

application(s)

peptide synthesis

SMILES string

CN1CCCC1=O

InChI

1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3

InChI key

SECXISVLQFMRJM-UHFFFAOYSA-N

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General description

N-Methyl-2-pyrrolidinone (N-methylpyrrolidone, NMP) is a polar cyclic organic solvent.[1] A study on the impact of NMP on Saccharomyces cerevisiae revealed that it induced aneuploidy.[2] Characteristic properties of NMP include low viscosity, excellent dissolving power and enhanced demulsifying property. It is a better alternative to phenol in selectively treating lube feedstock.[3] The behavior of fullerene-C60 in NMP solution has been examined based on electronic absorption and photoluminescence spectral data.[1] A solution of sodium borohydride (NaBH4) in NMP showed increased reactivity towards debromination of alkyl bromide.[4] The enhanced selectivity of NMP-ethylene glycol solvent mixture for aromatic hydrocarbon extraction has been analyzed by gas chromatography.[5]

Pictograms

Health hazardExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

195.8 °F - Pensky-Martens closed cup

Flash Point(C)

91 °C - Pensky-Martens closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number

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Evaluation of extraction properties of N-methylpyrrolidone and ethylene glycol mixtures by gas chromatography.
Wardencki W and Tameesh AHH.
Journal of Chemical Technology and Biotechnology, 31(1), 86-92 (1981)
NaBH4 in N-methylpyrrolidone: a safe alternative for hydride displacement reaction.
Torisawa Y, et al.
Bioorganic & Medicinal Chemistry Letters, 11(20), 2787-2789 (2001)
Aggregation of fullerene C60 in N-methylpyrrolidone.
Yevlampieva NP, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 209(2), 167-171 (2002)
Sanjairaj Vijayavenkataraman et al.
Artificial organs, 43(5), 515-523 (2018-09-20)
The incidence of peripheral nerve injuries is on the rise and the current gold standard for treatment of such injuries is nerve autografting. Given the severe limitations of nerve autografts which include donor site morbidity and limited supply, neural guide
N-methylpyrrolidone instead of phenol in treatment of lube feedstock.
Ivanov AV, et al.
Chemistry and Technology of Fuels and Oils, 36(5), 352-354 (2000)

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

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

    1 answer
    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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