221015

Oxalyl chloride

ReagentPlus^®, ≥99%

• Sinonimo/i: Ethanedioyl dichloride
• Formula condensata: ClCOCOCl
• Numero CAS: 79-37-8
• Peso molecolare: 126.93
• Beilstein: 1361988
• Numero CE: 201-200-2
• Numero MDL: MFCD00000704
• Codice UNSPSC: 12352106
• ID PubChem: 24853204
• NACRES: NA.22

Proprietà

• Densità del vapore: 4.4 (vs air)
• Livello qualitativo: 200
• Tensione di vapore: 150 mmHg ( 20 °C)
• Nome Commerciale: ReagentPlus^®
• Saggio: ≥99%
• Forma fisica: liquid
• Impiego in reazioni chimiche: reagent type: oxidant
• Impurezze: <10 ppb Heavy metals
• Colore: APHA: 0-150
• Indice di rifrazione: n20/D 1.429 (lit.)
• P. eboll.: 62-65 °C (lit.)
• Punto di fusione: −10-−8 °C (lit.)
• Densità: 1.5 g/mL at 20 °C (lit.)
• Stringa SMILE: ClC(=O)C(Cl)=O
• InChI: 1S/C2Cl2O2/c3-1(5)2(4)6; CTSLXHKWHWQRSH-UHFFFAOYSA-N

Descrizione

Descrizione generale

Oxalyl chloride is a commonly used chlorinating reagent that can be prepared by the reaction of oxalic acid and phosphorus pentachloride.

Applicazioni

Oxalyl chloride may be used in the following processes:

• Preparation of Mosher′s acid chloride by reacting with Mosher′s acid in the presence of DMF.
• Activation of dimethyl sulfoxide for use in the oxidation of long-chain alcohols to carbonyls.
• Activation of α-keto carboxylic acids and N-heterocyclic carboxylic acids for alkynylation to form ynediones and N-heterocyclic ynones, respectively.

Suitable for the synthesis of acid chlorides used to produce liquid crystals.

Reactant involved in:

• Synthesis of N-heterocyclic ynones and ynediones, used to activate carboxylic acids
• Chlorination and halogenation
• Three-component [3+2] cycloadditions
• Reactions with organostannanes
• Synthesis of cyclopentenones
• Carbonylations, used as a carbonyl synthon

Confezionamento

The 5g, 25g and 100g units sold in the US are packaged in ampules.

Note legali

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Informazioni sulla sicurezza

• Pittogrammi: GHS02,GHS06,GHS05
• Avvertenze: Danger
• Indicazioni di pericolo: H225,H260,H301 + H331,H314
• Consigli di prudenza: P210 - P231 + P232 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Classi di pericolo: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - Water-react 1
• Rischi supp: EUH014,EUH029,EUH071
• Codice della classe di stoccaggio: 4.3 - Hazardous materials which set free flammable gases upon contact with water
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): 51.8 °F - closed cup
• Punto d’infiammabilità (°C): 11.0 °C - closed cup
• Dispositivi di protezione individuale: Faceshields, Gloves, Goggles