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Merck

8.22140

1,4-Dihydro-4-pyridinone

for synthesis

Synonym(s):

1,4-Dihydro-4-pyridinone, 4(1H)-Pyridone

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About This Item

Empirical Formula (Hill Notation):
C5H5NO
CAS Number:
Molecular Weight:
95.10
MDL number:
UNSPSC Code:
12352115
EC Index Number:
203-633-2
NACRES:
NA.22

Product Name

1,4-Dihydro-4-pyridinone, for synthesis

SMILES string

[nH]1cc[c](cc1)=O

InChI

1S/C5H5NO/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)

InChI key

GCNTZFIIOFTKIY-UHFFFAOYSA-N

form

solid

autoignition temp.

515 °C

potency

4600 mg/kg LD50, oral (Rat)

pH

7.0 (20 °C, 50 g/L in H2O)

bp

170-172 °C/0.03 hPa

mp

140-147 °C

transition temp

flash point 212 °C

bulk density

600 kg/m3

storage temp.

2-30°C

Quality Level

Analysis Note

Assay (HClO₄): ≥ 95.0 %
Sulfated ash: ≤ 5.0 %
Identity (IR): passes test

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

413.6 °F

flash_point_c

212 °C


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