419885

tert-Butylpropiolat

98%

• Synonym(e): Acetylencarbonsäure-tert.-butylester
• Lineare Formel: HC≡CCOOC(CH₃)₃
• CAS-Nummer: 13831-03-3
• Molekulargewicht: 126.15
• Beilstein: 1747175
• MDL-Nummer: MFCD00060100
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24866283
• NACRES: NA.22

Eigenschaften

• Assay: 98%
• Form: liquid
• Brechungsindex: n20/D 1.418 (lit.)
• bp: 52-53 °C/27 mmHg (lit.)
• mp (Schmelzpunkt): 18-20 °C (lit.)
• Dichte: 0.919 g/mL at 25 °C (lit.)
• SMILES String: CC(C)(C)OC(=O)C#C
• InChI: 1S/C7H10O2/c1-5-6(8)9-7(2,3)4/h1H,2-4H3
• InChIKey: XGTPDIIFEPTULX-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

tert-Butyl propiolate is an ester. It reacts with methimazole to afford tert-butyl (E)-3-(1-methyl-1H-imidazol-2-ylthio) acrylate. Crystallographic data for the lithium enolate of tert-butyl propiolate has been described..

Anwendung

Used to prepare heterocycles, alkaloids, and unsaturated amino acids.

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Sicherheitshinweise

• Piktogramme: GHS02,GHS07
• Signalwort: Warning
• H-Sätze: H226,H315,H319,H335
• P-Sätze: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 82.4 °F - closed cup
• Flammpunkt (°C): 28 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter