02390

1,2-Ethandithiol

≥98.0% (GC)

• Synonym(e): 1,2-Dimercaptoethan, Dithioglykol, Ethylenmercaptan
• Lineare Formel: HSCH₂CH₂SH
• CAS-Nummer: 540-63-6
• Molekulargewicht: 94.20
• Beilstein: 505946
• EG-Nummer: 208-752-3
• MDL-Nummer: MFCD00004892
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 329747425
• NACRES: NA.22

Eigenschaften

• Dampfdichte: >1 (vs air)
• Qualitätsniveau: 200
• Dampfdruck: 4.8 mmHg ( 20 °C)
• Assay: ≥98.0% (GC)
• Form: liquid
• Brechungsindex: n20/D 1.558 (lit.); n20/D 1.558
• bp: 144-146 °C (lit.)
• mp (Schmelzpunkt): −41 °C (lit.)
• Dichte: 1.123 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: thiol
• SMILES String: SCCS
• InChI: 1S/C2H6S2/c3-1-2-4/h3-4H,1-2H2
• InChIKey: VYMPLPIFKRHAAC-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

1,2-Ethanedithiol (EDT) is an organosulfur compound that is used as an organic building block in chemical synthesis. It is also used as a ligand for metal ions to prepare metal complexes.

Anwendung

1,2-Ethanedithiol can be used to synthesize:      

• 1,3-Dithiolanes by reacting with aldehydes or ketones.
• Dithiazepan-3-yl-alkanoic acids by cyclocondensation reaction with amino acids and formaldehyde.
• EDT can also be used as a scavenger in solid phase peptide synthesis for the efficient deprotection of the peptide resin.

Sicherheitshinweise

• Piktogramme: GHS02,GHS06
• Signalwort: Danger
• H-Sätze: H226,H301,H310 + H330
• P-Sätze: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P304 + P340 + P310
• Gefahreneinstufungen: Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 3
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 111.2 °F - closed cup
• Flammpunkt (°C): 44 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter