DSMA
Action/Use:
- Herbicide
Use:
An organic, arsenial compound used as a selective contact herbicide applied postemergence. For noncrop areas, lawns, ornamental turf. Directed spray in cotton. For slurry, aerial application on cotton.
Identification
Common Name(s): DSMA (JMAF, WSSA)
Chemistry
Class: Organic arsenical.
Properties: DSMA 81SP*: White crystalline solid. Melting point 300°C. Dry DSMA (63SP)*: Hexahydrate is stable form in moist air. Solubility: 26 g/100 ml in methanol; 0.0025 g/100 ml in hexane.
Mode of Action / Resistance Management
Chemical Group: Organoarsenical
Mode of Action: Unknown
Action Group: HRAC Group Z; WSSA Group 17
Registration
U.S.A.: Drexel for bearing, nonbearing citrus except in Florida.
Outside U.S.A.: Dinate*, Namate*, Nanate*.
Environmental Guidelines
Water Solubility: Very soluble
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: Tech (Rat): Oral LD50 3630 mg/kg. (Rabbit): Dermal LD50 >2000 mg/kg. Slight eye, skin irritant
Handling/storage Cautions: Stable under moderate conditions
Protective Clothing: Long-sleeved shirt and long pants. Waterproof gloves. Shoes plus socks. Protective eyewear. Chemical-resistant apron when cleaning equipment, mixing, or loading.
Suppliers and Branded Products
Basic Producers:
Ancom Crop Care S.B. (Turf Green*)
Crystal Chemical Inter-America (Dinate*, Namate*, Nanate*)
Discontinued Names:
Ansar* 8100
Chipco* Crab Kleen*
Crab-E-Rad*
Dal-E-Rad* 100
Methar* 30
Weed Broom*
Weed-E-Rad*-360
