8.07066

Oxalyl chloride

for synthesis

• Synonym(e): Oxalyl chloride, Oxalic acid dichloride
• Empirische Formel (Hill-System): C₂Cl₂O₂
• CAS-Nummer: 79-37-8
• Molekulargewicht: 126.93
• MDL-Nummer: MFCD00000704
• UNSPSC-Code: 12352106
• EG-Index-Nummer: 201-200-2
• NACRES: NA.22

Eigenschaften

• Dampfdruck: 200 hPa ( 20 °C)
• Qualitätsniveau: 200
• Form: liquid
• bp: 63-64 °C/1013 hPa
• mp (Schmelzpunkt): -12 °C
• Übergangstemp.: flash point >100 °C
• Dichte: 1.48 g/cm³ at 20 °C
• Lagertemp.: 2-30°C
• InChI: 1S/C2Cl2O2/c3-1(5)2(4)6
• InChIKey: CTSLXHKWHWQRSH-UHFFFAOYSA-N

Beschreibung

Anwendung

• Mild deprotection of the N-tert-butyloxycarbonyl (N-Boc) group using oxalyl chloride: This study explores the mild deprotection capabilities of oxalyl chloride on N-Boc substrates, offering a potential method for sensitive chemical syntheses (N George, S Ofori, S Parkin, SG Awuah, 2020).
• Nickel-Catalyzed Highly Selective Reductive Carbonylation Using Oxalyl Chloride as the Carbonyl Source: Demonstrates the use of oxalyl chloride as an effective carbonyl source in nickel-catalyzed reductive carbonylation, highlighting its utility in organic synthesis (J Wang, Y Yin, X He, QL Duan, R Bai, HW Shi, 2023).
• A novel and highly efficient esterification process using triphenylphosphine oxide with oxalyl chloride: Introduces a novel esterification process utilizing oxalyl chloride and triphenylphosphine oxide, which improves reaction efficiency and product yield in organic chemistry (M Jia, L Jiang, F Niu, Y Zhang, 2018).
• Dimethyl sulfoxide/oxalyl chloride: A useful reagent for sulfenyletherification: Discusses the use of a dimethyl sulfoxide/oxalyl chloride mixture in sulfenyletherification reactions, providing insights into advanced synthesis techniques for sulfur-containing compounds (Y Gao, S Cheng, T Zhang, R Ding, Y Liu, 2018).

Hinweis zur Analyse

Gehalt (argentometrisch): ≥ 98.0 %
Identität (IR): entspricht
Ein geringfügiger Bodensatz bestehend aus Oxalsäure ist normal und hat keinen Einfluss auf die spezifizierte Qualität.

Sicherheitshinweise

• Piktogramme: GHS02,GHS05,GHS06
• Signalwort: Danger
• H-Sätze: H260 - H301 + H331 - H314
• P-Sätze: P223 - P231 + P232 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B - Water-react 1
• Zusätzliche Gefahrenhinweise: EUH014 - EUH029 - EUH071
• Lagerklassenschlüssel: 4.3 - Hazardous materials, which set free flammable gases upon contact with water
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable