Description

Pyriftalid is a selective herbicide belonging to the chemical class of pyrimidinediones. This compound is valued for its effective pre- and early post-emergence control of a broad spectrum of grass and broadleaf weeds in key agricultural systems. It is primarily utilized by agrochemical formulators and manufacturers developing crop protection solutions for global agriculture. Its specific mode of action makes it a critical tool in integrated weed management strategies.

Application

• Selective Herbicide Formulations: Core active ingredient for pre-emergence and early post-emergence weed control in various crops.
• Rice Paddy Protection: Effective management of problematic weeds in transplanted and direct-seeded rice cultivation.
• Cereal Crop Systems: Used in wheat, barley, and other cereal crops to control resistant weed biotypes.
• Agrochemical Intermediates: Serves as a key synthetic intermediate for producing other specialized herbicide compounds.
• Industrial & Non-Crop Areas: Applied in vegetation management for utilities, railways, and other right-of-way areas.
• Research & Development: Used in agricultural research institutes for developing new weed control technologies and studying herbicide resistance.

Basic Information

Product Name	Pyriftalid
CAS No.	135186-78-6
Molecular Formula	C15H14F3N3O3S
Molecular Weight	373.35 g/mol
Synonyms	Pyriftalid; 7-(4,6-Dimethoxypyrimidin-2-ylthio)-3-methyl-2-benzofuran-1(3H)-one; KIH-2031; 1(3H)-Isobenzofuranone, 7-[[(4,6-dimethoxy-2-pyrimidinyl)thio]methyl]-3-methyl-; 7-(((4,6-Dimethoxypyrimidin-2-yl)thio)methyl)-3-methylphthalide; Pyriftalide
EINECS	Contact for details

Quality Control

Our Pyriftalid is manufactured under strict quality management systems to ensure batch-to-batch consistency and efficacy. We provide comprehensive Certificates of Analysis (COA) that detail purity, impurity profiles, and physical specifications, supporting compliance with global agrochemical regulations. Quality assurance protocols are designed to meet the stringent requirements of ISO standards and major agricultural markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Isolate from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.