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Sigma-Aldrich

2-(Trimethylsilyl)ethanethiol

95%

Synonym(s):

(2-Mercaptoethyl)trimethylsilane, BEST

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About This Item

Linear Formula:
(CH3)3SiCH2CH2SH
CAS Number:
18143-30-1
Molecular Weight:
134.32
Beilstein:
1732126
MDL number:
MFCD00077888
UNSPSC Code:
12352100
PubChem Substance ID:
24862451
NACRES:
NA.22

Assay

95%

form

liquid

refractive index

n20/D 1.454 (lit.)

bp

144-146 °C (lit.)
62-63 °C/43 mmHg (lit.)

density

0.839 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C[Si](C)(C)CCS

InChI

1S/C5H14SSi/c1-7(2,3)5-4-6/h6H,4-5H2,1-3H3

InChI key

BCOLNMGFOWHFNI-UHFFFAOYSA-N

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Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

120.2 °F - closed cup

Flash Point(C)

49 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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The 2-(trimethylsilyl) ethyl sulfur group in synthesis.
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