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2-Hydroxyethylurea

  • Name 2-Hydroxyethylurea
  • EINECS640-848-4
  • CAS No. 2078-71-9
  • Density1.222 g/cm3
  • PSA75.35000
  • LogP-0.26180
  • Solubilityalmost transparency
  • Melting Point164-169 °C
  • FormulaC3H8N2O2
  • Boiling Point254.324 °C at 760 mmHg
  • Molecular Weight104.109
  • Flash Point107.612 °C
  • Transport InformationN/A
  • AppearanceWhite crystalline powder
  • Safety26-36/37/39
  • Risk Codes36/37/38
  • Molecular Structure
    Molecular Structure of 2078-71-9 (2-HYDROXYETHYLUREA)
  • Hazard SymbolsN/A
  • SynonymsN/A
  • Article Data17

2-Hydroxyethylurea Synthetic route

75226-85-6

<2-(trimethylsilyloxy)ethyl>urea

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
With methanol; water for 1h; Heating;100%
75226-87-8

N-<2-(trimethylsiloxy)ethyl>-N'-(trimethylsilyl)urea

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
With methanol; water for 1h; Heating;100%
556-89-8

nitrourea

141-43-5

ethanolamine

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
In ethanol for 48h;85%
590-28-3

potassium cyanate

141-43-5

ethanolamine

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
Stage #1: potassium cyanate; ethanolamine In water for 0.333333h; Heating;
Stage #2: With hydrogenchloride In water at 20℃; for 7h;
80%
With hydrogenchloride In water
141-43-5

ethanolamine

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
With ammonia In formic acid at 115℃; for 3.5h; Temperature; Industrial scale;78%
In N,N-dimethyl-formamide at 105℃; for 24h;
2002-24-6

2-amino-ethanol hydrochloride

151-50-8

potassium cyanide

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
In water at 85 - 90℃; for 1h;68%
In water
75-21-8

oxirane

A

497-25-6

dimethylenecyclourethane

B

2078-71-9

(2-hydroxyethyl)urea

C

142-27-8

carbamic acid-(2-amino-ethyl ester)

Conditions
ConditionsYield
at 136℃;
75-21-8

oxirane

A

2078-71-9

(2-hydroxyethyl)urea

B

142-27-8

carbamic acid-(2-amino-ethyl ester)

Conditions
ConditionsYield
at 136℃;
461-72-3

2,4-imidazolidinedione

2078-71-9

(2-hydroxyethyl)urea

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol
590-28-3

potassium cyanate

hydrochloride of β-oxy-ethylamine

hydrochloride of β-oxy-ethylamine

2078-71-9

(2-hydroxyethyl)urea

2-Hydroxyethylurea Specification

The Urea,N-(2-hydroxyethyl)- with CAS registry number 2078-71-9 belongs to the classes of Carbonyl Compounds; Organic Building Blocks; Ureas. The IUPAC name is 1-(2-hydroxyethyl)urea. In addition, the molecular formula is C3H8N2O2 and the molecular weight is 104.108.

Physical properties about this chemical are: (1)ACD/LogP: -1.86; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.86; (4)ACD/LogD (pH 7.4): -1.86; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 2.33; (8)ACD/KOC (pH 7.4): 2.33; (9)#H bond acceptors: 4; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 32.78 Å2; (13)Index of Refraction: 1.49; (14)Molar Refractivity: 24.64 cm3; (15)Molar Volume: 85.1 cm3; (16)Polarizability: 9.76×10-24cm3; (17)Surface Tension: 53.4 dyne/cm; (18)Density: 1.222 g/cm3; (19)Flash Point: 107.6 °C; (20)Enthalpy of Vaporization: 57.13 kJ/mol; (21)Boiling Point: 254.3 °C at 760 mmHg; (22)Vapour Pressure: 0.00266 mmHg at 25°C.

Preparation of Urea,N-(2-hydroxyethyl)-: it can be prepared by Ethanolamine and Carbamide. You can add the diethanolamine into the reaction pot at first, then add the ureawith with stirring. You should heat the mixture to 110-115 °C for 4 hours, cool the product at last.

Uses of Urea,N-(2-hydroxyethyl)-: it can be used for the intermediate of Furazolidone. And it can be used to produce 3-nitroso-oxazolidin-2-one. This reaction will need reagent NOCl and solvent CHCl3. The yield is about 42% at reaction temperature of 0 °C.

Urea,N-(2-hydroxyethyl)- can be used to produce 3-nitroso-oxazolidin-2-one

When you are using this chemical, please be cautious about it as the following:
It irritates to eyes, respiratory system and skin. When use it, you should wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(N)NCCO
(2)InChI: InChI=1/C3H8N2O2/c4-3(7)5-1-2-6/h6H,1-2H2,(H3,4,5,7)
(3)InChIKey: CLAHOZSYMRNIPY-UHFFFAOYAJ

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LDLo intraperitoneal 7280mg/kg (7280mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Journal of Pharmacology and Experimental Therapeutics. Vol. 54, Pg. 188, 1935

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