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8.18714

Sigma-Aldrich

Nicotinic acid

for synthesis

Synonym(s):

Nicotinic acid, Niacin, 3-Pyridinecarboxylic acid

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About This Item

Linear Formula:
3-(COOH)-C5H4N
CAS Number:
Molecular Weight:
123.11
MDL number:
UNSPSC Code:
12352106
EC Index Number:
200-441-0
NACRES:
NA.22

Quality Level

Assay

≥99% (acidimetric)

form

granular

autoignition temp.

>365 °C (Dust)

potency

>5000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rat)

pH

2.7 (20 °C, 18 g/L in H2O)

mp

236.6 °C

transition temp

flash point 193 °C

density

1.47 g/cm3 at 20 °C

bulk density

330 kg/m3

storage temp.

2-30°C

InChI

1S/C6H5NO2/c8-6(9)5-2-1-3-7-4-5/h1-4H,(H,8,9)

InChI key

PVNIIMVLHYAWGP-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 234 °C
Melting range (upper value): ≤ 238 °C
Identity (IR): passes test

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

379.4 °F - closed cup

Flash Point(C)

193 °C - closed cup


Certificates of Analysis (COA)

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