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Merck
CN

463396

Methyl (S)-(+)-2-pyrrolidone-5-carboxylate

97%

Synonym(s):

Methyl L-pyroglutamate

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About This Item

Empirical Formula (Hill Notation):
C6H9NO3
CAS Number:
4931-66-2
Molecular Weight:
143.14
NACRES:
NA.22
PubChem Substance ID:
24870058
UNSPSC Code:
12352005
EC Number:
225-567-3
MDL number:
MFCD00080931

Key Documents

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Product Name

Methyl (S)-(+)-2-pyrrolidone-5-carboxylate, 97%

InChI key

HQGPKMSGXAUKHT-BYPYZUCNSA-N

InChI

1S/C6H9NO3/c1-10-6(9)4-2-3-5(8)7-4/h4H,2-3H2,1H3,(H,7,8)/t4-/m0/s1

SMILES string

COC(=O)[C@@H]1CCC(=O)N1

assay

97%

optical activity

[α]20/D +10.5°, c = 1 in ethanol

refractive index

n20/D 1.486 (lit.)

bp

90 °C/0.3 mmHg (lit.)

density

1.226 g/mL at 25 °C (lit.)

functional group

ester

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKBW2276V
MKBG5478V
MKAA4452
MKAA2694
25796MJ

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