HuagongsheHuagongshe Chemistry Print Report · For research reference only

HCID 10680263Generated: October 23, 2026

5-[(Tert-butyldimethylsilyl)oxy]pentan-2-one

5-[(tert-Butyldimethylsilyl)oxy]pentan-2-one · 2-Pentanone, 5-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-

https://huagongshe.com/en/chemical/10680263

5-[(Tert-butyldimethylsilyl)oxy]pentan-2-one molecular structure

Identifiers & Physical Properties

CAS No.	86864-59-7
Molecular formula	C11H24O2Si
Average molar mass	216.39 g/mol
SMILES	CC(=O)CCCO[Si](C)(C)C(C)(C)C
InChIKey	HYMOZAQHSDGTIS-UHFFFAOYSA-N
PubChem CID	10680263
EC No.	964-935-4

Chemical & Physical Properties

Topological polar surface area	26.3
Hydrogen bond donors	0
Hydrogen bond acceptors	2
Rotatable bonds	6
Heavy atoms	14
Formal charge	0
Complexity	192
Boiling point	245.0±23.0 °C(Predicted)
Density	0.867±0.06 g/cm3(Predicted)
GHS pictogram	GHS07
Signal word	Warning
GHS hazard statements	H302-H315-H319-H335
GHS precautionary statements	P280-P305+P351+P338

Safety & Regulations

GHS classification	WarningH302 (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 Categories	Acute Tox. 4 (100%)
Signal word	Warning
GHS pictogram	GHS07
GHS hazard statements	H302-H315-H319-H335
GHS precautionary statements	P280-P305+P351+P338