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1-(Trimethylsiloxy)cyclopentene

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Company Name: Shanghai Daken Advanced Materials Co.,Ltd
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Products Intro: Product Name:1-(trimethylsiloxy)cyclopentene
CAS:19980-43-9
Purity:99% Package:5KG;1KG Remarks:Low M.W.Organic Silanes Professor
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Products Intro: Product Name:1-(Trimethylsiloxy)cyclopentene
CAS:19980-43-9
Purity:0.98 Package:1KG;10KG;50KG
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Products Intro: Product Name:1-(trimethylsiloxy)cyclopentene
CAS:19980-43-9
Purity:0.99 Package:1kg
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Products Intro: Product Name:1-trimethylsiloxycyclopentene
CAS:19980-43-9
Purity:Min98% HPLC Package:1KG;1USD
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Products Intro: Product Name:(Cyclopentenyloxy)trimethylsilane
CAS:19980-43-9

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1-(Trimethylsiloxy)cyclopentene Basic information
Product Name:1-(Trimethylsiloxy)cyclopentene
Synonyms:Cyclopentene,1-[(triMethylsilyl)oxy]-;1-(Trimethylsiloxy)cyclopentene 97%;TRIMETHYLSILYLOXY-1-CYCLOPENTENE;1-Cyclopentenyloxytrimethylsilane, Cyclopentanone enol trimethyl silyl ether;CYCLOPENTANONE ENOL TRIMETHYL SILYL ETHER;(CYCLOPENTENYLOXY)TRIMETHYLSILANE;1-(TRIMETHYLSILOXY)CYCLOPENTENE;(1-CYCLOPENTENYLOXY)TRIMETHYLSILANE
CAS:19980-43-9
MF:C8H16OSi
MW:156.3
EINECS:243-448-4
Product Categories:Monoalkoxysilanes;Si (Classes of Silicon Compounds);Silicon Compounds (for Synthesis);Si-O Compounds;Synthetic Organic Chemistry
Mol File:19980-43-9.mol
1-(Trimethylsiloxy)cyclopentene Structure
1-(Trimethylsiloxy)cyclopentene Chemical Properties
Boiling point 45 °C/11 mmHg (lit.)
density 0.878 g/mL at 25 °C (lit.)
refractive index n20/D 1.440(lit.)
Fp 101 °F
storage temp. −20°C
form clear liquid
color Colorless to Light yellow to Light orange
Specific Gravity0.878
Hydrolytic Sensitivity7: reacts slowly with moisture/water
BRN 385956
CAS DataBase Reference19980-43-9(CAS DataBase Reference)
EPA Substance Registry SystemSilane, (1-cyclopenten-1-yloxy)trimethyl- (19980-43-9)
Safety Information
Hazard Codes Xi
Risk Statements 10-36/37/38
Safety Statements 26-36
RIDADR UN 1993 3/PG 3
WGK Germany 3
F 10-21
TSCA Yes
HazardClass 3.2
PackingGroup III
HS Code 29319090
MSDS Information
ProviderLanguage
SigmaAldrich English
1-(Trimethylsiloxy)cyclopentene Usage And Synthesis
Chemical PropertiesClear light yellow liquid
Uses1-(Trimethylsiloxy)cyclopentene may be used in chemical synthesis studies.
Purification MethodsIf too impure as seen by the NMR spectrum, then dissolve it in 10 volumes of pentane, shake with cold NaHCO3 (3 x 500mL), then 1.5M HCl (200mL) and aqueous NaHCO3 (200mL) again, dry (Na2SO4), filter, evaporate and distil it through a short Vigreux column (p 11). 1H NMR: (CDCl3) : 0.21 (s, 9H), 1.55 (m, 2H), 1.69 (m, 2H), 2.05 (br d, 4H) and 4.88 (br s, 1H). GLPC in a 6ft x 1/8inch with 3% SP2100 on 100-120 mesh Supelcoport column should give one peak. Store dry. [For the cyclohexene analogue see Varghese et al. Org Synth Coll Vol VIII 460 1993.]
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