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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 12298558Generated: October 23, 2026

N-(oxan-4-ylidene)hydroxylamine

Dihydro-2H-pyran-4(3H)-one oxiMe · Tetrahydro-pyran-4-one oxime · N-(oxan-4-ylidene)hydroxylaMine · 4H-Pyran-4-one, tetrahydro-, oxime · TETRAHYDRO PYRAN-4-ONE OXIME (0.3 KGS) · Tetrahydro-4H-pyran-4-one oxime - [T0658]

https://huagongshe.com/en/chemical/12298558

N-(oxan-4-ylidene)hydroxylamine molecular structure

Identifiers & Physical Properties

CAS No.61128-73-2
Molecular formulaC5H9NO2
Average molar mass115.13 g/mol
Monoisotopic mass115.06332853 g/mol
SMILESON=C1CCOCC1
InChIKeyCOGGGWRHZQTITF-UHFFFAOYSA-N
PubChem CID12298558
EC No.967-893-5
DTXSIDDTXSID40486041

Chemical & Physical Properties

XLogP-0.2
Topological polar surface area41.8
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds0
Heavy atoms8
Formal charge0
Complexity92.6
Melting point87-88°
Boiling point99-100°/6mm
Storage conditionsStorage temp. -20°C
AppearanceWhite to off-white Solid
InChIInChI=1S/C5H9NO2/c7-6-5-1-3-8-4-2-5/h7H,1-4H2
InChIKeyCOGGGWRHZQTITF-UHFFFAOYSA-N
SMILESC1OCC/C(=N/O)/C1
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P305+P351+P338
Hazard classIRRITANT

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)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Signal wordWarning
GHS pictogramGHS07
Hazard classIRRITANT
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P305+P351+P338