33379 Sigma-Aldrich


PESTANAL®, analytical standard

  • CAS Number 34256-82-1

  • Empirical Formula (Hill Notation) C14H20ClNO2

  • Molecular Weight 269.77

  •  Beilstein Registry Number 2859702

  •  EC Number 251-899-3

  •  MDL number MFCD00143534

  •  PubChem Substance ID 329754507



Related Categories 2000/60/EC, A-B, A-D, Additional Standards, All Herbicide Standards,
grade   analytical standard
product line   PESTANAL®
form   neat
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
format   neat


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Sigma-Aldrich International GmbH

Price and Availability

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN 3082 9 / PGIII
WGK Germany 

Frequently Asked Questions

What is the density of Acetochlor, Product 33379?
Pure Acetochlor (Product 33379) is a neat liquid, with a density of 1.084 g/mL at 20°C.
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. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option:
What other solution deposition precursors does Sigma-Aldrich offer?
Sigma-Aldrich offers a variety of solution deposition precursors that can be explored at the following link:
Where can I find similar organic bases available from Sigma-Aldrich?
Sigma-Aldrich offers a database of products available, categorized by their structure or application. Products such as potassium methoxide and other organic bases can be explored through the following link:
The MSDS for Product 333379, Potassium ethoxide, says it needs to be handled and stored under an inert gas. However, there isn't a glove box on site. How could we handle the product?
Since the product is air and moisture sensitive, we would recommend using one of our Atmosbags as a cost-effective way to handle the product under argon or nitrogen. A list of our inflatable, disposable Atmosbags can be viewed at the following link.
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 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, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles


GC Analysis of 'Positive List' Chemicals (Mix 4) on SLB®-5ms

From our library of Articles, Sigma-Aldrich presents GC Analysis of 'Positive List' Chemicals (Mix 4) on SLB®-5ms
Keywords: Chromatography, Gas chromatography, Herbicides, Pesticides, Purification

Peer-Reviewed Papers


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