256781 Sigma-Aldrich


≥52 wt. % Zn basis

Synonym: DEZ, DEZn, Et2Zn, Zincdiethyl



Related Categories CVD and ALD Precursors by Metal, Chemical Synthesis, Dialkylzincs, Materials Science, Micro/NanoElectronics,
Quality Level   100
assay   ≥52 wt. % Zn basis
form   liquid
refractive index   n20/D 1.498 (lit.)
bp   117 °C (lit.)
mp   −28 °C (lit.)
density   1.205 g/mL at 25 °C (lit.)
SMILES string   CC[Zn]CC
InChI   1S/2C2H5.Zn/c2*1-2;/h2*1H2,2H3;



Diethylzinc has been used as a zinc precursor for the synthesis of colloidal Cu/Zn-based nanoparticles, and zinc on silica catalysts via atomic layer deposition (ALD) technique.


100 g in Sure-Pac™

Recommended products

Angled septum-inlet adapter Z118206 or straight septum-inlet adapter, 6mm I.D. inlet, Z118141 or straight septum-inlet adapter, 13mm I.D. inlet, Z118192 is recommended.

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Supplemental Hazard Statements 
UN3394 - class 4.2 - PG 1 - EHS - Organometallic substance, liquid, pyrophoric, water-reactive, HI: all (not BR)
WGK Germany 


Certificate of Analysis (COA)

Please Enter a Lot Number

Certificate of Origin (COO)

Please Enter a Lot Number

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is Product 256781, Diethylzinc, soluble in?
The chemicals encyclopedia published by the Royal Society of Chemistry (13th ed.) indicates that this product is expected to be miscible in hydrocarbons, including benzene, ether, and petroleum ether.
How do I remove Product 256781, Diethylzinc, from the container?
This product is air sensitive and is package under inert gas. Transfer of this product should be conducted under inert atmosphere (such as in a glove box or Atmosbag) to reduce the chance of exposure of the chemical to the atmosphere. Additional details about how to handle and store air-sensitive materials can be found in Sigma-Aldrich technical bulletin AL-134.
What do I do with the Product 256781, Diethylzinc, bottle once it is empty?
Product 256781 is packed in a Sure/Pac cylinder. When the contents of the cylinder have been exhausted Sigma-Aldrich recommends that a licensed waste disposal company be contacted for the appropriate means to dispose of this container. Some residual product might remain in the container and should not be discarded with general waste. Alternatively, Sigma-Aldrich does offer an option for returning empty Sure/Pac cylinders. The customer will be required to pay for the return shipping and a minimal disposal charge, as Sigma-Aldrich does not require these cylinders to be returned. Additional information on the Sure/Pac return program can be obtained by contacting customer service at 800-325-3010.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
Show more questions
Protocols & Articles


Reagents for C–C Bond Formation

We carry a large variety of electrophiles and nucleophiles that are widely used in C–C bond-forming reactions. This group of products contains many organometallic reagents as well as commonly-used al...
ChemFiles Volume 1 Article 3
Keywords: Acylations, Alkylations

Peer-Reviewed Papers


Related Products

septum inlet adapter

Product #


Add to Cart

Z118206 Angled septum-inlet adapter, brass, inlet I.D. 6 mm × 6 mm
Z118141 Straight septum-inlet adapter, inlet I.D. 6 mm, brass

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?