Molecular Structure of 3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt (CAS NO.2039-96-5):

IUPAC Name: Sodium 3-trimethylsilylpropane-1-sulfonate 
Molecular Formula: C₆H₁₅NaO₃SSi
Molecular Weight: 218.32
EINECS: 218-031-5 
H-Bond Donor: 0
H-Bond Acceptor: 3
Melting Point: -165 °C (dec.)(lit.)
Appearance: White to slightly beige crystalline powder
Canonical SMILES: C[Si](C)(C)CCCS(=O)(=O)[O-].[Na+]
InChI: InChI=1S/C6H16O3SSi.Na/c1-11(2,3)6-4-5-10(7,8)9;/h4-6H2,1-3H3,(H,7,8,9);/q;+1/p-1
InChIKey: HWEXKRHYVOGVDA-UHFFFAOYSA-M
Product Categories: Analytical Chemistry; NMR Spectrometry; Si (Classes of Silicon Compounds); Si-(C)4 Compounds; Standards for NMR

 3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt (CAS NO.2039-96-5) is used as a hydrophobic probe for proton magnetic resonance studies of apolar sites on proteins.

Safety Information of 3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt (CAS NO.2039-96-5):
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
F: 3-10
TSCA: Yes

 3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt (CAS NO.2039-96-5), its Synonyms are 3-(Trimethylsilyl)propanesulfonic acid ; Sodium 3-(trimethylsilyl)propane sulfonate ; Sodium 3-sulfopropyltrimethylsilane ; 1-Propanesulfonic acid, 3-(trimethylsilyl)-, sodium salt ; 1-Propanesulfonic acid, 3-(trimethylsilyl)-, sodium salt (1:1) ; 3-(Trimethylsilyl)-1-propanesulfonic acid ; Sodium 3-(trimethylsilyl)propane-1-sulphonate hydrate .