220809

Diethylzinc solution

15 wt. % in toluene

• Synonym(s): Zincdiethyl
• Linear Formula: (C₂H₅)₂Zn
• CAS Number: 557-20-0
• Molecular Weight: 123.51
• Beilstein/REAXYS Number: 3587207
• MDL number: MFCD00009021
• UNSPSC Code: 12352103
• PubChem Substance ID: 24853193
• NACRES: NA.22

Properties

• form: liquid
• Quality Level: 100
• concentration: 15 wt. % in toluene
• density: 0.915 g/mL at 25 °C
• SMILES string: CC[Zn]CC
• InChI: 1S/2C2H5.Zn/c2*1-2;/h2*1H2,2H3;
• InChI key: HQWPLXHWEZZGKY-UHFFFAOYSA-N

Description

Application

Employed together with CF₃I in a Rh(I) catalyzed preparation of α-trifluoromethyl ketones from α,ß-unsaturated ketones. Promoter for the Wittig reaction of carbonyl compounds with dibromofluoroacetate and triphenylphosphine leading to α-fluroroacrylates. Ni catalyzed coupling with cyclic anhydrides.

Safety Information

• pictograms: GHS02,GHS08,GHS05,GHS07,GHS09
• signalword: Danger
• hcodes: H225,H250,H260,H304,H314,H336,H361d,H373,H411
• pcodes: P210 - P231 + P232 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P370 + P378
• Hazard Classifications: Aquatic Chronic 2 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 2 - Pyr. Liq. 1 - Repr. 2 - Skin Corr. 1B - STOT RE 2 - STOT SE 3 - Water-react 1
• target_organs: Central nervous system
• supp_hazards: EUH014
• Storage Class: 4.2 - Pyrophoric and self-heating hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 44.6 °F - closed cup
• flash_point_c: 7 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter