1.

Common Name of Active Ingredient:

Clethodim

2.

Product Categories:

Herbicide

3.

Chemical

Name:

(E)-(+)-2-[[3-chloro-2-Propenyl)oxy] imino]propyl-5-[2-(ethylthio)propy]-3-hydrox-2-cyclohexen-1-one

4.

Empirical Formula:

C17H26CIN3S

5.

Structural Formula:

4.

Chemical Abstracts Service (CAS) No.:

99129-21-2

5.

Molecular Weight:

359.91

6.

Technical (Tech)

85% - 95%

7.

Types of Formulations:

24% EC; 12% EC;

8.

Physical and Chemical Properties of Technical Material

8.1

Physical State:

Amber Transparent Liquid

8.2

Odor:

No special odor

8.3

Content:

85% - 95%

8.4

Decomposition Point:

N/A

8.5

Viscosity:

100 cps at 20 degrees at 21oC.

8.6

Solubility in Water and Solvents:

Soluble in most of solvents.

8.7

Stability:

Hydrolytic stability DT50 28 days (pH5); 300 days (pH 7); 310 days(pH 9).

9.

Physical and Chemical Properties of 12% /24% EC

9.1

Physical State:

Light yellow transparent liquid

9.2

Content:

12%/24%

Storage Stability:

1% - 3% max degradation in glass containers and aluminium containers, respectively, after one year of storage at 21oC.

10.

Toxicology Characteristics (Technical):

10.1

Acute oral toxicity - (rats):

LD50(female) greater than 1.4 gm/kg.

10.2

Acute oral LD50 - (mice):

LD50(male) = 2.57 g/kg, LD50(female)=2.43 g/kg

10.3

Acute Dermal LD50 - (rabbit):

LD50(male&female) greater than 5 g/kg

10.4

Acute Inhalation LD50 (rat):

LC50 greater than 3.9/L.

10.5

Primary Dermal Irritation (rabbit):

LD50 (male&female) greater than 5g/kg

10.6

Dermal Sensitization:

Nonsensitizer

11.

Sub-chronic Testing

21 day Dermal (rat) - The systemic NOBEL is 50 mg/kg/day. The LOEL for skin is 10 mg/kg/day.

12.

Ecological Characteristics:

Slightly to practically non-toxic to birds. The avian acute oral LD50 was greater than 2000 mg/kg for the bobwhite quail and >3978 ppm for the mallard duck.

Slightly toxic to cold - and warm-water fish species. The fish LC50 for the rainbow trout is 18.0 ppm and 13.0 ppm for the bluegill sunfish.

LC50 Daphnia Magna 20.2 mg/l, the NOEL is 5.5 mg/L.