1,3-Dimethyl-2-imidazolidinone

ALDRICH/40725 - absolute, over molecular sieve (H₂O ≤0.04%), ≥99.5% (GC)

Synonym: N,N′-Dimethylethyleneurea; DMEU; DMI

CAS Number: 80-73-9
Empirical Formula (Hill Notation): C₅H₁₀N₂O
Molecular Weight: 114.15
EC Number: 201-304-8
MDL Number: MFCD00003188
Linear Formula: C₅H₁₀N₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-40725-100ML	100 mL	$103.00 1/EA		Add To Favorites
45-40725-500ML	500 mL	$319.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	≥99.5% (GC)
bp	224-226 °C (lit.)
density	1.056 g/mL at 25 °C (lit.)
form	liquid
grade	absolute
InChI	1S/C5H10N2O/c1-6-3-4-7(2)5(6)8/h3-4H2,1-2H3
InChI key	CYSGHNMQYZDMIA-UHFFFAOYSA-N
quality	over molecular sieve (H₂O ≤0.04%)
refractive index	n20/D 1.472 (lit.)
SMILES string	CN1CCN(C)C1=O
solubility	toluene: soluble(lit.)
	water: miscible

Application:	1,3-Dimethyl-2-imidazolidinone may be used: • As substitute solvent for HMPA in the synthesis of 1,2-bis(trimethylsilyl)benzene. • As solvent during the α-regioselective prenylation of imines. • A component of mobile phase during size-exclusion chromatographic analysis of cellulose.
General description:	1,3-Dimethyl-2-imidazolidinone (DMI) is an imidazolidine derivative. It is reported to act as a promoter by minimizing the formation of dialkylation byproducts and accelerating the rate of monoalkylation of γ-butyrolactone. Conversion of CO₂ to form lower alcohols by homogeneous catalytic hydrogenation using DMI as solvent has been investigated.
Other Notes:	Aprotic, dipolar solvent which often can be used as a substitute for the carcinogenic HMPA
Other Notes:	Solvent used in various synthetic organic transformations. Studied in the formation of functionally stabilized hydrosilanediyl-transition metal complexes produced photochemically from arylsilanes.
Packaging:	100, 500 mL in Sure/Seal™

Symbol	GHS05,GHS07,GHS08
Signal word	Danger
Hazard statements	H302 - H318 - H361fd
Precautionary statements	P201 - P202 - P280 - P301 + P312 - P305 + P351 + P338 - P308 + P313
Hazard Codes	Xn
Risk Statements	22-41-62
Safety Statements	26-36/37
RIDADR	NONH for all modes of transport
WGK Germany	WGK 2
Flash Point(F)	219.2 °F - closed cup
Flash Point(C)	104 °C - closed cup

Purity	≥99.5% (GC)
bp	224-226 °C (lit.)
Density	1.056 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.472 (lit.)
UNSPSC	12352005

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