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1,3-Dimethyl-2-imidazolidinone

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Name

1,3-Dimethyl-2-imidazolidinone

EINECS 201-304-8
CAS No. 80-73-9 Density 1.064 g/cm3
Solubility Freely soluble in water Melting Point 8.2 °C
Formula C5H10N2O Boiling Point 220.31 °C at 760 mmHg
Molecular Weight 114.15 Flash Point 76.519 °C
Transport Information UN 2810 6.1/PG 3 Appearance Almost colorless, clear liquid
Safety 26-36-36/37/39 Risk Codes 21/22-38-41-36/38
Molecular Structure Molecular Structure of 80-73-9 (1,3-Dimethyl-2-imidazolidinone) Hazard Symbols HarmfulXn, IrritantXi
Synonyms

DMEU (solvent);1,3-Dimethylethyleneurea;Dimethyl imidazolidinone;2-Imidazolidinone,1,3-dimethyl-;N,N-Dimethylimidazolidone;Karbomos TsEM;1,3-dimethylimidazol-2-one;N,N-Dimethylimidazolidinone;1,3-dimethyl-2-imidazolinone;Rhonite 1;1,3-dimethyl-2-imidazolidinone (DMI);1, 3-Dimethyl-2-imidazolidinone;1,3-Dimethylimidazolidinone DMI;1,3-Dimethylimidazolidone;1,3-Domethyl-2-imidazolidinone;

 

1,3-Dimethyl-2-imidazolidinone Chemical Properties

IUPAC Name: 1,3-dimethylimidazolidin-2-one 
Empirical Formula: C5H10N2O
Molecular Weight: 114.1457g/mol
EINECS: 201-304-8 
Structure of 1,3-Dimethyl-2-imidazolidinone (CAS NO.80-73-9):

Index of Refraction: 1.48
Molar Refractivity: 30.51 cm3
Molar Volume: 107.3 cm3
Polarizability: 12.09×10-24cm3
Surface Tension: 33.6 dyne/cm
Density: 1.063 g/cm3
Flash Point: 76.5 °C
Enthalpy of Vaporization: 45.67 kJ/mol 
Melting Point: 8.2 °C
Boiling Point: 220.3 °C at 760 mmHg
Vapour Pressure: 0.114 mmHg at 25°C 
Water Solubility: freely soluble
Sensitive: Hygroscopic
Product Categories: Imidazol&Benzimidazole;Heterocyclic Compounds 
Canonical SMILES: CN1CCN(C1=O)C
InChI: InChI=1S/C5H10N2O/c1-6-3-4-7(2)5(6)8/h3-4H2,1-2H3
InChIKey: CYSGHNMQYZDMIA-UHFFFAOYSA-N

1,3-Dimethyl-2-imidazolidinone Uses

  1,3-Dimethyl-2-imidazolidinone (CAS NO.80-73-9) is used as an aprotic solvent. It is also used in a variety of applications including detergents, dyestuffs, electronic materials and in the manufacture of polymers. In many applications, it is a suitable replacement for the carcinogenic solvent HMPA.

1,3-Dimethyl-2-imidazolidinone Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 2840mg/kg (2840mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
Journal of Medicinal Chemistry. Vol. 11, Pg. 214, 1968.
rabbit LD50 skin 930uL/kg (0.93mL/kg) BEHAVIORAL: TREMOR

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS

GASTROINTESTINAL: OTHER CHANGES
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 191, 1992.
rat LD50 oral 1190uL/kg (1.19mL/kg) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE

BEHAVIORAL: TREMOR

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 191, 1992.

1,3-Dimethyl-2-imidazolidinone Safety Profile

Hazard Codes:  Xn,Xi
The Risk Statements information of 1,3-dimethyl-2-imidazolidinone:
38:  Irritating to the skin 
41:  Risk of serious damage to eyes 
21/22:  Harmful in contact with skin and if swallowed 
36/38:  Irritating to eyes and skin 
The Safety Statements information of 1,3-dimethyl-2-imidazolidinone:
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36:  Wear suitable protective clothing 
36/37/39:  Wear suitable protective clothing, gloves and eye/face protection 
RIDADR:UN 2810 6.1/PG 3
WGK Germany:3
RTECS:NJ0660000
F:3

1,3-Dimethyl-2-imidazolidinone Specification

 1,3-Dimethyl-2-imidazolidinone , its cas register number is 80-73-9. It also can be called 1,3-Dimethylethyleneurea ; 5-24-01-00054 (Beilstein Handbook Reference) ; Karbomos TsEM ; N,N'-Dimethylethyleneurea ; N,N'-Dimethylimidazolidinone ;
 N,N'-Dimethylimidazolidone ; Rhonite 1 . 1,3-Dimethyl-2-imidazolidinone (CAS NO.80-73-9) is a almost colorless, clear liquid.

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