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Sigma-Aldrich

1,3-Dimethyl-2-imidazolidinone

for synthesis

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Synonym(s):
1,3-Dimethyl-2-imidazolidinone, Dimethylethylene urea, DMI, DMEU
Empirical Formula (Hill Notation):
C5H10N2O
CAS Number:
Molecular Weight:
114.15
MDL number:
EC Index Number:
201-304-8

vapor pressure

<1 hPa ( 20 °C)

Quality Level

Assay

≥99.0% (GC)

form

liquid

autoignition temp.

305 °C

potency

1261 mg/kg LD50, oral (Rat)
986 mg/kg LD50, skin (Rabbit)

expl. lim.

1.3-8.4 % (v/v)

kinematic viscosity

1.43 cSt(40 °C)

mp

8 °C

transition temp

flash point 114 °C

density

1.056 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H10N2O/c1-6-3-4-7(2)5(6)8/h3-4H2,1-2H3

InChI key

CYSGHNMQYZDMIA-UHFFFAOYSA-N

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This Item
25156941661D4879
form

liquid

form

liquid

form

liquid

form

powder

mp

8 °C

mp

-

mp

-

mp

125 °C (dec.) (lit.)

density

1.056 g/cm3 at 20 °C

density

1.06 g/mL at 25 °C (lit.)

density

1.06 g/mL at 25 °C (lit.)

density

-

storage temp.

2-30°C

storage temp.

-

storage temp.

-

storage temp.

2-8°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Identity (IR): passes test
Density (d 20 °C/ 4 °C): 1.055 - 1.057
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

219.2 °F - closed cup

Flash Point(C)

104 °C - closed cup


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