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8.03245

Sigma-Aldrich

1,2-Dimethylimidazole

for synthesis

Synonym(s):

1,2-Dimethylimidazole

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About This Item

Empirical Formula (Hill Notation):
C5H8N2
CAS Number:
1739-84-0
Molecular Weight:
96.13
MDL number:
MFCD00005294
UNSPSC Code:
12352005
EC Index Number:
217-101-2

vapor pressure

1 hPa ( 20 °C)

Quality Level

200

assay

≥98.0% (GC)

form

solid

autoignition temp.

480 °C

potency

1300 mg/kg LD50, oral (Rat)

pH

12.6 (20 °C, 500 g/L in H2O)

bp

205 °C/1013 hPa

mp

30-40 °C

transition temp

flash point 93 °C

density

0.99 g/cm3 at 40 °C

storage temp.

2-30°C

InChI

1S/C5H8N2/c1-5-6-3-4-7(5)2/h3-4H,1-2H3

InChI key

GIWQSPITLQVMSG-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 30 °C
Melting range (upper value): ≤ 40 °C
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 2

flash_point_f

199.4 °F

flash_point_c

93 °C

Certificates of Analysis (COA)

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