ChemicalBook--->CAS DataBase List--->19980-43-9

19980-43-9

19980-43-9 Structure

19980-43-9 Structure
IdentificationMore
[Name]

1-(Trimethylsiloxy)cyclopentene
[CAS]

19980-43-9
[Synonyms]

(1-CYCLOPENTENYLOXY)TRIMETHYLSILANE
1-(TRIMETHYLSILOXY)CYCLOPENTENE
1-(TRIMETHYLSILYLOXY)CYCLOPENTENE
CYCLOPENTANONE ENOL TRIMETHYL SILYL ETHER
(CYCLOPENTENYLOXY)TRIMETHYLSILANE
TRIMETHYLSILYLOXY-1-CYCLOPENTENE
(1-cyclopenten-1-yloxy)trimethylsilane
(Cyclopentenyloxy)trimethylsylane
1-(TRIMETHYLSILYLOXY)CYCLOPENTENE 97+%
1-Cyclopentenyloxytrimethylsilane, Cyclopentanone enol trimethyl silyl ether
(1-Cyclopentenyl)(trimethylsilyl) ether
1-(Trimethylsiloxy)-1-cyclopentene
1-Cyclopentenyl(trimethylsilyl) ether
1-Trimethylsiloxy-1-cyclopentene
Trimethyl(1-cyclopentenyloxy)silane
[EINECS(EC#)]

243-448-4
[Molecular Formula]

C8H16OSi
[MDL Number]

MFCD00001395
[Molecular Weight]

156.3
[MOL File]

19980-43-9.mol
Chemical PropertiesBack Directory
[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 Gravity]

0.878
[Hydrolytic Sensitivity]

7: reacts slowly with moisture/water
[BRN ]

385956
[CAS DataBase Reference]

19980-43-9(CAS DataBase Reference)
[EPA Substance Registry System]

Silane, (1-cyclopenten-1-yloxy)trimethyl- (19980-43-9)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 1993 3/PG 3
[WGK Germany ]

3
[F ]

10-21
[TSCA ]

Yes
[HazardClass ]

3.2
[PackingGroup ]

III
[HS Code ]

29319090
Hazard InformationBack Directory
[Chemical Properties]

Clear light yellow liquid
[Uses]

1-(Trimethylsiloxy)cyclopentene may be used in chemical synthesis studies.
[Purification Methods]

If 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.]
Spectrum DetailBack Directory
[Spectrum Detail]

1-(Trimethylsiloxy)cyclopentene(19980-43-9)MS
1-(Trimethylsiloxy)cyclopentene(19980-43-9)1HNMR
1-(Trimethylsiloxy)cyclopentene(19980-43-9)13CNMR
1-(Trimethylsiloxy)cyclopentene(19980-43-9)IR1
1-(Trimethylsiloxy)cyclopentene(19980-43-9)Raman
Well-known Reagent Company Product InformationBack Directory
[TCI AMERICA]

1-(Trimethylsilyloxy)cyclopentene,>97.0%(GC)(19980-43-9)
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