Chemical Properties of Tris(trimethylsilyl)hydroxylamine (CAS 21023-20-1)

InChI

InChI=1S/C9H27NOSi3/c1-12(2,3)10(13(4,5)6)11-14(7,8)9/h1-9H3

InChI Key

WEFDIXZMPUWSQQ-UHFFFAOYSA-N

Formula

C9H27NOSi3

SMILES

C[Si](C)(C)ON([Si](C)(C)C)[Si](C)(C)C

Molecular Weight¹

249.57

CAS

21023-20-1

Other Names

• O-Trimethylsiloxy-N,N-bis(trimethylsilyl)amine
• 2,2,5,5-Tetramethyl-4-(trimethylsilyl)-3-oxa-4-aza-2,5-disilahexane
• Hydroxylamine, N,N,O-tris-TMS
• Hydroxylamine, 3tms derivative

• ω : Acentric Factor.
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• P_c : Critical Pressure (kPa).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.4584		Relay (1.0) Calculated Property
ΔfG°	77.62	kJ/mol	Relay (1.0-beta) Calculated Property
ΔfH°gas	-504.11	kJ/mol	Relay (1.0) Calculated Property
ΔvapH°	46.00	kJ/mol	Relay (1.0) Calculated Property
IE	8.07	eV	Relay (1.0) Calculated Property
log10WS	-1.85		Relay (1.0) Calculated Property
logPoct/wat	3.725		Crippen Calculated Property
Pc	1391.89	kPa	Relay (1.0-beta) Calculated Property
Inp	[1104.00; 1125.00]
Inp	1111.00		NIST
Inp	1125.00		NIST
Inp	1104.00		NIST
Tboil	440.05	K	Relay (1.0) Calculated Property
Tc	601.80	K	Relay (1.0) Calculated Property
Tfus	257.99	K	Relay (1.0) Calculated Property
Vc	0.902	m3/kmol	Relay (1.0) Calculated Property

Similar Compounds

Find more compounds similar to Tris(trimethylsilyl)hydroxylamine.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• NIST Webbook

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