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Sigma-Aldrich

1-(Trimethylsiloxy)cyclopentene

97%

Synonym(s):

1-Cyclopentenyloxytrimethylsilane, Cyclopentanone enol trimethyl silyl ether

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About This Item

Linear Formula:
C5H7OSi(CH3)3
CAS Number:
19980-43-9
Molecular Weight:
156.30
Beilstein:
385956
EC Number:
243-448-4
MDL number:
MFCD00001395
UNSPSC Code:
12352100
PubChem Substance ID:
24857085
NACRES:
NA.22

Assay

97%

form

liquid

refractive index

n20/D 1.440 (lit.)

bp

45 °C/11 mmHg (lit.)

density

0.878 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)(C)OC1=CCCC1

InChI

1S/C8H16OSi/c1-10(2,3)9-8-6-4-5-7-8/h6H,4-5,7H2,1-3H3

InChI key

UBMYYGXGMPGCBO-UHFFFAOYSA-N

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Application

1-(Trimethylsiloxy)cyclopentene may be used in chemical synthesis studies.

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)

96.8 °F - closed cup

Flash Point(C)

36 °C - closed cup

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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