254398

4-(Trimethylsiloxy)-3-penten-2-one

97%

• Synonym(s): Acetylacetone enol trimethylsilyl ether, TMS acac
• Linear Formula: (CH₃)₃SiOC(CH₃)=CHCOCH₃
• CAS Number: 13257-81-3
• Molecular Weight: 172.30
• Beilstein/REAXYS Number: 1759078
• EC Number: 236-252-5
• MDL number: MFCD00009853
• UNSPSC Code: 12352100
• PubChem Substance ID: 24855381
• NACRES: NA.22

Properties

• assay: 97%
• refractive index: n20/D 1.452 (lit.)
• bp: 66-68 °C/4 mmHg (lit.)
• density: 0.912 g/mL at 25 °C (lit.)
• functional group: ketone
• storage temp.: 2-8°C
• SMILES string: CC(=O)\C=C(/C)O[Si](C)(C)C
• InChI: 1S/C8H16O2Si/c1-7(9)6-8(2)10-11(3,4)5/h6H,1-5H3/b8-6+
• InChI key: FBADCSUQBLLAHW-SOFGYWHQSA-N

Description

Application

4-(Trimethylsiloxy)-3-penten-2-one (trimethylsilyl ether of acetylacetone) has been used in the synthesis of isomers of organosilicon carbofunctional compounds:

• 4-(3′-triethoxysilylpropylimino)pent-2-en-2-ol
• 4-(3′-triethoxysilylpropylamino)pent-3-en-2-one

Safety Information

• pictograms: GHS02,GHS07
• signalword: Warning
• hcodes: H226,H315,H319,H335
• pcodes: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 3
• flash_point_f: 95.0 °F - closed cup
• flash_point_c: 35 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter