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Key Documents

8.18370

Sigma-Aldrich

Imidazole-4,5-dicarboxylic acid

for synthesis

Synonym(s):

Imidazole-4,5-dicarboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C5H4N2O4
CAS Number:
570-22-9
Molecular Weight:
156.10
MDL number:
MFCD00005200
UNSPSC Code:
12352106
EC Index Number:
209-327-5
NACRES:
NA.22

Quality Level

200

form

powder

autoignition temp.

430 °C

pH

3.7 (20 °C, 0.5 g/L in H2O)

mp

270-275 °C

solubility

0.5 g/L

bulk density

650‑660 kg/m3

storage temp.

2-30°C

InChI

1S/C5H4N2O4/c8-4(9)2-3(5(10)11)7-1-6-2/h1H,(H,6,7)(H,8,9)(H,10,11)

InChI key

ZEVWQFWTGHFIDH-UHFFFAOYSA-N

Related Categories

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

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