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178837

Sigma-Aldrich

3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt

97%

Synonym(s):

2,2-Dimethyl-2-silapentane-5-sulfonate sodium salt, DSS sodium salt, Sodium 3-(trimethylsilyl)-1-propanesulfonate

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About This Item

Linear Formula:
(CH3)3Si(CH2)3SO3Na
CAS Number:
2039-96-5
Molecular Weight:
218.32
Beilstein:
4035923
EC Number:
218-031-5
MDL number:
MFCD00007537
UNSPSC Code:
12352100
PubChem Substance ID:
24850773
NACRES:
NA.22

Assay

97%

form

solid

mp

~165 °C (dec.) (lit.)

SMILES string

[Na+].C[Si](C)(C)CCCS([O-])(=O)=O

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

InChI key

HWEXKRHYVOGVDA-UHFFFAOYSA-M

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Application

3-(Trimethylsilyl)-1-propanesulfonic acid sodium salt can be used as a reagent to synthesize polyamine block-copolymers. It can also be used as an internal standard in 1H NMR spectroscopy for the measurement of chemical shifts.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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3-(Trimethylsilyl)propanesulfonic acid (TMSPS) is used as a water-soluble NMR frequency marker. It has its major resonance at 0.00 ppm relative to trimethylsilane, and smaller resonances at 0.62, 1.77 and 2.85 ppm. Its toxicity was tested by exposing contracted porcine carotid
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