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Trifloxysulfuron sodium salt – Reference Materials for Residue Analysis
Trifloxysulfuron sodium salt Precision REFERENCE MATERIALS for Confident Residue Compliance
Strengthen your LCMSMS performance with highpurity Trifloxysulfuron sodium salt reference materials from HPC Standards. Engineered for accurate identification and quantification in food and environmental matrices, our traceable materials meet international quality requirements and support ISOIEC 17025 workflows. Choose ready-to-use solutions or neat materials with full CoA, documented purity, stability, and uncertainty. Benefit from custom concentrations, matrix-matched options, and expert technical support for robust method validation, lower LOQs, and reliable regulatory reporting.
Product | Catalog No./ CAS No. | Quantity | Price | |
|---|---|---|---|---|
ISO 17034 Reference Material |  | 672904 | 1X100MG | Please log in. |
ISO 17034 Certified Reference Material Trifloxysulfuron sodium salt solution |  | 687170 | 1X1ML | Please log in. |
ISO 17034 Certified Reference Material |  | 694264 | 1X50MG | Please log in. |
High-quality reference materials for precise identification and quantification of trifloxysulfuron-sodium residues in food and environmental matrices. Manufactured and tested to international quality requirements for reliable compliance monitoring.
Overview
Trifloxysulfuron-sodium is a sulfonylurea herbicide used primarily for post-emergence control of broadleaf weeds, sedges, and certain grasses. It inhibits the acetolactate synthase (ALS; also known as acetohydroxyacid synthase, AHAS) enzyme, blocking branched-chain amino acid biosynthesis in plants.
Due to its high biological potency at low application rates, sensitive and selective analytical methods and robust reference materials are essential for accurate residue monitoring.
Chemical Class and Mode of Action
Class: Sulfonylurea herbicide. Mode of action: ALS (AHAS) inhibition, resulting in growth cessation and plant death in susceptible species. This mode of action is categorized by HRAC/WSSA as Group 2 (ALS inhibitors).
Typical analytical behavior: good amenability to LC–MS/MS; ionization commonly in ESI (often negative mode), with multi-reaction monitoring for specificity.
Uses
Applied post-emergence in crops such as cotton and sugarcane and in certain non-crop/turf settings, depending on regional registrations. Effective against a wide spectrum of dicot weeds and some monocots at low dose rates.
Tank-mix and rotation strategies are employed to manage resistance development in target weed populations.
Regulatory Status and MRLs
Registration and Maximum Residue Limits (MRLs) vary by country and crop. In some jurisdictions, trifloxysulfuron-sodium remains registered with established tolerances; others may have restrictions or non-approval. Laboratories should verify current national regulations (e.g., EU Regulation (EC) No 396/2005 for MRLs; US 40 CFR Part 180 tolerances; Codex MRLs where applicable).
Reference materials support method validation and routine surveillance to demonstrate compliance with applicable limits.
Residue Monitoring and Methods
Preferred technique: LC–MS/MS with isotopically labeled internal standards where available for matrix-compensation and improved accuracy. Typical LOQs are in the low µg/kg range depending on matrix and instrumentation.
Multi-residue approaches (e.g., QuEChERS extraction with suitable buffering, followed by dispersive SPE cleanup) are commonly used; single-residue methods may be applied for challenging matrices or to achieve lower LOQs.
Sample Preparation Considerations
Use buffered extraction (commonly citrate or acetate) to enhance stability; avoid prolonged exposure to high pH during workup, as sulfonylureas can hydrolyze more rapidly under alkaline conditions.
Employ matrix-matched calibration or stable isotope dilution to correct for ion suppression/enhancement. Validate recoveries, precision, and measurement uncertainty across representative matrices (high water, high acid, high fat, and dry products).
Metabolites and Marker Residues
Regulatory residue definitions may include the parent compound and, in some regions, specific transformation products. Laboratories should consult current residue definitions per crop/commodity to ensure target analyte coverage.
Reference materials for the parent and selected metabolites (where required) support confirmatory analysis and regulatory reporting.
Stability and Storage
Trifloxysulfuron-sodium can exhibit pH-dependent hydrolysis; neutral to mildly acidic conditions favor improved stability. Store solutions in amber vials at recommended temperatures (commonly ≤ -20 °C) to minimize degradation and photolysis.
Use freshly prepared dilutions and minimize freeze–thaw cycles. Monitor long-term stability through documented requalification intervals.
Health Impact — Human Toxicity
General profile: low acute mammalian toxicity typical of sulfonylurea herbicides. May cause eye or skin irritation upon direct contact. No evidence of significant genotoxic or carcinogenic potential at environmental exposure levels has been reported for this class; always consult the product SDS for substance-specific data.
Laboratory exposure is primarily via dermal contact or inhalation of aerosols during preparation. Standard laboratory hygiene and engineering controls mitigate risk effectively.
Occupational Exposure
Implement closed handling where feasible. Use appropriate PPE during preparation and handling of reference materials (lab coat, nitrile gloves, safety glasses; respiratory protection if aerosols/dusts may form).
Ensure adequate ventilation and employ spill control measures. Dispose of waste according to local regulations for pesticide residues and organic solvents.
Environmental Impact
Highly active to plants at low concentrations; drift or off-target movement can damage non-target vegetation. Aquatic and terrestrial vertebrate toxicity is generally low for sulfonylureas, but sensitivity varies among taxa.
Environmental fate depends on pH, temperature, and microbial activity. Hydrolysis and microbial degradation are key dissipation pathways; persistence may increase under alkaline conditions and low temperatures. Mobility in soil can be moderate, with potential for leaching depending on soil properties.
Effects on Wildlife and Non-target Species
Primary risk to non-target plants from runoff or spray drift. Aquatic primary producers (algae, macrophytes) may be sensitive due to ALS inhibition.
Adherence to buffer zones and label restrictions reduces non-target exposure.
Quality Assurance and Compliance
Accurate quantification requires traceable reference materials with defined purity, identity confirmation, and uncertainty. Documentation should support ISO/IEC 17025 and, where applicable, ISO 17034/ILAC requirements for calibration and method validation.
Certificates of Analysis (CoA) should include assigned value, uncertainty, traceability, solvent system, concentration, recommended storage, and expiry.
Safety Measures and Handling
Follow SDS guidance. Avoid alkaline conditions during handling of analytical solutions. Prevent light exposure by using amber glassware. Label all dilutions with preparation date and concentration.
In case of spills, absorb with inert material and clean with appropriate solvents while wearing PPE. Dispose of contaminated materials per institutional and regulatory requirements.
Analytical Performance and Validation
Validate linearity, recovery (typically 70–120% depending on matrix and guidance), precision, specificity (two MRM transitions recommended), and LOQ against regulatory criteria (e.g., SANTE, FDA/USDA, AOAC).
Use system suitability and ongoing QC (blanks, spikes, duplicates) to ensure method robustness.
Applications in Food and Environmental Testing
Food: surveillance of residues in raw agricultural commodities and processed foods to demonstrate MRL compliance. Environmental: monitoring in surface water, groundwater, and soils near treated areas.
Reference materials enable matrix-matched calibration and proficiency assessment for both routine monitoring and investigational studies.
HPC Standards Reference Materials
HPC Standards GmbH supplies high-purity reference materials for trifloxysulfuron-sodium tailored to food and environmental residue analysis. Products are manufactured and tested according to international quality requirements, supporting the highest industrial standards.
Available formats include ready-to-use solutions and neat materials (where applicable), with documented purity assessment (e.g., LC/GC, qNMR), homogeneity, stability, and measurement uncertainty. Custom concentrations, solvent systems, and multi-analyte mixes are available on request.
Documentation and Support
Each product is delivered with a comprehensive CoA and safety data sheet. Technical support includes method guidance for LC–MS/MS setup, stability considerations, and selection of appropriate internal standards.
On-demand consultancy for custom reference materials (including metabolites or isotope-labelled derivatives, where available) supports complex validation and accreditation needs.
Logistics and Storage
Products are shipped in temperature-controlled, light-protective packaging as required. Recommended storage conditions are specified on the label and CoA to maintain certified properties through shelf life.
Batch continuity and re-order alignment are supported to ensure consistent calibration across long-term monitoring programs.