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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 181697Generated: October 23, 2026

1-Aminoimidazolidin-2-one

1-AMino-iMidazolidinone · 1-Amino-2-imidazolidinone · 1-aminoimidazolidin-2-one · 1-AMINOIMIDAZOLIDINONE,99% · 2-Imidazolidinone, 1-amino- · 2-Imidazolidinone,1-amino-(6CI,9CI)

https://huagongshe.com/en/chemical/181697

1-Aminoimidazolidin-2-one molecular structure

Identifiers & Physical Properties

CAS No.41401-76-7
Molecular formulaC3H7N3O
Average molar mass101.11 g/mol
Monoisotopic mass101.05891184 g/mol
SMILESNN1CCNC1=O
InChIKeyDHIVBEZCBBHIPZ-UHFFFAOYSA-N
PubChem CID181697
EC No.156-198-5
DTXSIDDTXSID00961662

Chemical & Physical Properties

XLogP-1.4
Topological polar surface area58.4
Hydrogen bond donors2
Hydrogen bond acceptors2
Rotatable bonds0
Heavy atoms7
Formal charge0
Complexity92.2
Melting point111.5-112 °C(Solv: ethanol (64-17-5))
Boiling point134-137 °C(Press: 2 Torr)
Density1.265±0.06 g/cm3(Predicted)
pKa (acidity coefficient)15.91±0.20(Predicted)
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP280-P305+P351+P338

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP280-P305+P351+P338