Bispyribac-Sodium

Details:

Bispyribac-sodium herbicide
CAS No: [125401 75-4] for acid; [125401 92 5] for sodium salt
MF: C19H17N4NaO8; C19H18N4O8 for the acid
MW: 452.4
MP.: 223-224º C
VP.: 5.05 × 10-6 MPa (25º C)
SG.: Bulk density 0.0737 (20º C, CIPAC MT 3)
Formulation types: 95% TC, 20% WP, 10% SC, 40% SC
Solubility.: In water 73.3 g/l (25º C). In methanol 26.3, acetone 0.043 g/l (25º C).

Stability: Stable in water: DT50 >1 y (pH 7 & 9), 448 h (pH 4). Stable to light. Not decomposed after 14 d at 55º C.
Appearance: Form White powder.

Toxicological information:
Oral: Acute oral LD50 for male rats 4111, female rats 2653 mg/kg.
Skin and eye: Acute percutaneous LD50 for rats >2000 mg/kg. Non-irritating to skin; Slightly irritating to eyes (rabbits).

Purpose:
Control of grasses, sedges and broad leaved weeds, especially Echinochloa spp, in direct-seeded rice, at rates of 15 45 g/ha. Also used to stunt growth of weeds in non crop situations.

Bispyribac-Sodium Function:
Effectively control paddy weed and other gramineous weeds, and most of the broadleaf weeds,
Cyperaceae weeds andweed resistant to other herbicide.
For example barnyard grass, double spike sparrow, barnyard grass, rice stem cut off barit, digitaria,
Agrostis stolonifera, amur foxtail specialshaped sedges, broken rice, sedges, hotaru rush, Japan,
Flat stalk of grass, grass, rain long flower, wild duck tongue grass, alisma, pondweed, arrowhead,
Lotus seed, grass, flowers, such as rush rice paddies for the most part common weeds.