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Merck
CN

8.07041

2-Pyrrolidone

for synthesis

Synonym(s):

2-Pyrrolidone, γ-Butyrolactam

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About This Item

Empirical Formula (Hill Notation):
C4H7NO
CAS Number:
Molecular Weight:
85.10
UNSPSC Code:
12352115
EC Index Number:
210-483-1
NACRES:
NA.22
MDL number:
Assay:
≥99.0% (GC)
Form:
solid
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vapor pressure

0.04 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

solid

autoignition temp.

395 °C

potency

>3200 mg/kg LD50, oral (Rat)

expl. lim.

1.8-16.6 % (v/v)

pH

9-11 (20 °C, 100 g/L in H2O)

mp

25.5 °C (External MSDS)

transition temp

flash point 138 °C

density

1.11 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

N1CCCC1=O

InChI

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

InChI key

HNJBEVLQSNELDL-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.110 - 1.112
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.


pictograms

Exclamation markHealth hazard

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

Storage Class

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

wgk

WGK 1

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

Regulatory Information

新产品

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Global Trade Item Number

SKUGTIN
807041902504022536884615
807041025004022536393148
807041000504022536393131
807041100004022536393155