PAN Pesticides Database - Pesticide Products

Product Name on Label: Sterilan ii

The EPA Registered Name for this product is: Sprakil sk-13 granular weed killer
This occurs when a single registered product is sold using many different names. For a complete list, see the Distributor Names list at the bottom of the page.

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Identifying information, including U.S. EPA registration number, product registration status, formulation and warning label, as well as links to sources of product labels and MSDS information.
Summary of the toxicity properties of each active ingredient and the percent of each active ingredient in the product.
Approved uses for the product by general use type, pest, and crop or location.
Product registration history, including initial date registered, date cancelled (if applicable), and date registration was transferred (if applicable).
Name, address, and identifying number of the company that registered the product. Name and address of the agent, if applicable.
Complete list of names under which this product is sold. Often a company will register a single product and then sell the same product under many different brand names. The 'Distributor Name' list is a complete list of these names.

Product Identification for Sprakil sk-13 granular weed killer

Basic Identification Information About This Product
MSDS and Product Label
U.S. EPA Product Reg No
Product Registration Status
Acute Hazard Warning Label
Restricted Use Product
PAN Bad Actor Product:
No. of names this product is sold under
3 Caution
2 (See bottom of page for complete list of products)

Toxicity for Sprakil sk-13 granular weed killer

Summary Toxicity Information for the Active Ingredients in this Product
For detailed chemical information click on the chemical names below

Active Ingredients
Chemical Name
Percent Carcinogen Cholinesterase
Developmental or
Reproductive Toxin
Diuron 3.00 %
Tebuthiuron 1.00 % Unclassifiable No
Indicates high toxicity in the given toxicological category. Indicates no available weight-of-the-evidence assessment. For additional information on toxicity from scientific journals or registration documents, see the "Additional Resources for Toxicity " section of the chemical detail page for each active ingredient.

Other Ingredients in this Product

By U.S. law, only active ingredients (AIs) are reported. In addition to active ingredients, pesticide products may contain one or more "inert" ingredients. Many "inert" ingredients in current use have known adverse human and environmental effects.

U.S. EPA statement on inerts      U.S. EPA list of inerts     NCAP Inerts Report (pdf)


Registered Uses in the U.S. for Sprakil sk-13 granular weed killer


Herbicide terrestrial


Annual weeds , Perennial weeds , Annual grasses , Perennial grasses

Crops and Locations

Noncrop areas (soil treatment) , Rights-of-way (railroad) (soil treatment) , Industrial sites (soil treatment) , Pre-paving treatment (asphalt) (soil treatment) , Paved areas (pre-paving application) (soil treatment)

U.S. Product Registration History for Sprakil sk-13 granular weed killer

U.S. EPA Product Reg No:
Product Registration Status:
Approval Date:
Jan 18, 1983  

Company and Agent Information for Sterilan ii

Manufacturer Agent Distributor
Ssi maxim company, inc.
Po box 1954
Kilgore, TX 75663
Company Number: 034913
No Agent, See Company Info. Intermountain farmers
1147 w 2100 s-box 27168
Salt lake city, UT 84127
Company Number: 046665

Distributor Names for Sprakil sk-13 granular weed killer

Product names Distributor Product Type Approval Date Cancellation Date
Sprakil sk-13 granular weed killer Ssi maxim company, inc. Parent Product Jan 18, 1983 Active
Sterilan ii Ssi maxim company, inc. Distributor Product Jan 5, 1989 Active
Working with the Information on this Page

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