Common name Halosulfuron-methyl (BSI, pa E-ISO),
Chemical name methyl 3-chloro-5-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-1-methylpyrazole-4-carboxylate
Chemistry class: sulfonylurea Herbicide
CAS RN： [100784-20-1]

　 Usage elucidation and Safety

Mode of action: Systemic herbicide, absorbed by the root system and/or leaf surface, and translocated to meristem tissues.

Uses: Halosulfuron-methyl has demonstrated activity for the control of annual broad-leaved weeds and nutsedge species, in maize, sugar cane, rice, sorghum, nuts and turf. Efficacy has been observed with post-emergence (18-35 g/ha) applications.

Safety Guideline:

SIGNAL WORD: Caution!

TOXICITY CLASS: U.

TOXICITY: Acute oral LD50 for rats 8866, mice 11173 mg/kg. Acute percutaneous LD50 for rats >2000 mg/kg.

PROTECTIVE EQUIPMENT: Long-sleeved shirt and long pants, chemical-resistant gloves, shoes plus socks.

HANDLING/STORAGE CAUTIONS: Store in a cool, dry place, out of direct sunlight. Store in original containers. Keep container closed when not in use. Store away from food and drink.

FIRST AID:

Eyes: Flush with flowing water for at least 15 minutes and obtain medical advice.

Skin: Carefully remove contaminated clothing. Wash affected areas with soap and Water, Seek medical aid if at all worried.

Ingestion: Wash out mouth with water. Keep patient at rest and seek immediate medical advice.

Inhalation: Remove to fresh air and keep at rest. Obtain medical advice.

ANTIDOTE: No specific antidote.

Technical grade: 95%min

Formulation products: 25%WP, 75%WP, 25%WDG, 75%WDG, 95%TC