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urea, N,N'-(1,2-ethanediyl)-

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CAS Number: 120-93-4Picture of molecule3D/inchi
Other(deleted CASRN):76895-63-1
ECHA EINECS - REACH Pre-Reg:204-436-4
FDA UNII: 2K48456N55
Nikkaji Web:J9.352A
Beilstein Number:106252
XlogP3:-1.30 (est)
Molecular Weight:86.09402000
Formula:C3 H6 N2 O
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:fragrance agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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Pubchem Patents:Search
FDA Mainterm (IAUFC):120-93-4 ; 2-IMIDAZOLIDINONE
Physical Properties:
Appearance:white powder (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 131.00 °C. @ 760.00 mm Hg
Boiling Point: 358.70 °C. @ 760.00 mm Hg (est)
Flash Point: 397.00 °F. TCC ( 202.50 °C. ) (est)
logP (o/w): -1.230 (est)
Soluble in:
 water, 2.646e+004 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: fragrance
perfuming agents
BOC Sciences
For experimental / research use only.
2-Imidazolidone hemihydrate 98%
For experimental / research use only.
2-Imidazolidone - Anhydrous
Connect Chemicals
Ethylene Urea Anhydrous
Matrix Scientific
For experimental / research use only.
2-Imidazolidone, 95+%
Santa Cruz Biotechnology
For experimental / research use only.
Sigma-Aldrich: Aldrich
For experimental / research use only.
2-Imidazolidone 96%
For experimental / research use only.
2-Imidazolidone >97.0%(GC)
United International
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intraperitoneal-mouse LD50 500 mg/kg
European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 17, Pg. 235, 1982.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
fragrance agents
RIFM Fragrance Material Safety Assessment: Search
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice
Recommendation for 2-imidazolidone flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
Carcinogenic Potency Database:Search
EPA Substance Registry Services (TSCA):120-93-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :8453
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:1
RTECS:NJ0570000 for cas# 120-93-4
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:120-93-4
Pubchem (cid):8453
Pubchem (sid):134975380
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Indirect Additives used in Food Contact Substances:View
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2933.29.9000
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 not found in nature
 ethylene urea
1H-imidazol-2-ol, 4,5-dihydro-
 urea, 1,3-ethylene-
 urea, N,N'-(1,2-ethanediyl)-


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PubMed:Inhibition of 5-oxoprolinase by 2-imidazolidone-4-carboxylic acid.
PubMed:The synthesis and biological activity of 4-methyl-5-(epsilon-sulfoamyl)-2-imidazolidone, a sulfonic acid analog of desthiobiotin.
used in manufacture of polymers, finishing agents for textiles & leather, in formulation of plasticizers, lacquers & adhesives.
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