Oxyfluorfen 95% TC — Technical Concentrate for Formulation

Formulation Pathways from 95% TC

Positioning
Use Oxyfluorfen 95% TC as the base active for downstream EC/SC/ME/WG. This section gives principles only (no recipes), so your R&D can move quickly while staying compliant.

EC (Emulsifiable Concentrate)

• Choose when: fast market entry; solvent systems accepted; strong field familiarity.

• Engineering levers: solvent window (aromatic/ketone/ester), emulsifier system (HLB balance), defoamers, antioxidant policy.

• Pros/Trade-offs: high solvency and wetting; watch VOC rules, pack/liner compatibility, and cold-flow behavior.

• Validation: emulsion stability (hard/soft water), storage (54 °C/accelerated), freeze–thaw, copper/alkali sensitivity.

SC (Suspension Concentrate)

• Choose when: low-solvent preference; odor control; easy handling.

• Engineering levers: micronization/PSD (e.g., D90 target), dispersant/rheology package, wetting time, anti-settling balance.

• Pros/Trade-offs: good user acceptance; requires tight PSD control and shear-profile tuning; check nozzle wear and re-dispersion.

• Validation: suspensibility, viscosity drift, crystal growth, freeze–thaw, can/bottle sediment re-dispersibility.

ME (Microemulsion)

• Choose when: very fine droplet, clear systems, premium positioning.

• Engineering levers: co-solvent selection, surfactant HLB design, cloud-point margins, antifoam.

• Pros/Trade-offs: excellent dispersion; sensitive to water hardness and temperature; packaging compatibility must be proven.

• Validation: clarity over temperature, dilution stability, metals/alkali tolerance.

WG (Water-dispersible Granule)

• Choose when: dust control, storage robustness, simplified logistics.

• Engineering levers: granulation method, binder choice, wetters/dispersants, granule hardness/friability, disintegration time.

• Pros/Trade-offs: strong shelf life and transportability; requires robust breakup and low fines at use point.

• Validation: wetting/disintegration time, attrition, sieve profile, caking under humidity.

Premix strategy (principles)

• Why premix: widen spectrum (broadleaf + sedge + grass), program selectivity, resistance management.

• Partners (by class): chloroacetamides, dinitroanilines, non-selective/contact herbicides, and label-approved regulators.

• Boundary: ratios, solvents, and adjuvants are market- and label-specific; confirm by local registration and internal trials.

Toll formulation / OEM workflow

1. Inputs from you: target markets, desired formulation type (EC/SC/ME/WG), pack sizes, solvent policy, label constraints (pH/VOC/metals), dossier indices.

2. Our deliverables: lab pilot → pilot COA + stability summary → scale-up → production COA; artwork packs (multilingual, QR/anti-counterfeit), export packing plan.

3. Timings: sample windows and lead times agreed per solvent availability and micronization slot.

Do / Don’t (compliance & risk control)

• Do: run jar-tests for tank-mix practice; validate pack compatibility (liner/gasket); respect alkaline boundaries.

• Don’t: publish farm rates on a TC page; rely on back-to-back lab data without accelerated storage; ignore VOC/cold-flow constraints.

Compatibility & Stability Guidance

• Water & pH window
  Design finished formulations to operate in neutral to mildly acidic ranges. Avoid strongly alkaline conditions that can undermine performance. Validate with local spray-water profiles (pH, hardness).

• Hardness tolerance
  Ensure the surfactant/dispersant system tolerates Ca/Mg and dissolved salts. Where hard water is prevalent, include a hardness screen in your dilution-stability suite.

• Solvent & carrier selection (EC/ME)
  Confirm solvency in your approved aromatic/ketone/ester carriers before scale-up. Check VOC policy, odor targets, and cold-flow behavior early in development.

• Surfactant system (ME/EC/SC/WG)
  Tune HLB balance for ME/EC clarity and emulsion stability; calibrate wetters/dispersants/rheology for SC; optimize wetting/disintegration for WG. Always verify dilution stability in soft and hard water.

• Packaging compatibility
  Verify interaction with liners, gaskets, caps, and container resins under accelerated storage. For solvented systems, confirm no swelling, paneling, or extractables.

• Thermal & light exposure
  Protect from prolonged heat and UV. Run accelerated (e.g., 54 °C) and freeze–thaw programs appropriate to the dosage form to confirm stability margins.

• Sedimentation & redispersibility (SC)
  Control particle-size distribution (PSD) and rheology to minimize hard settling. Specify re-dispersion performance after storage and temperature cycling.

• Granule integrity (WG)
  Balance hardness/friability to prevent dusting yet ensure rapid breakup. Validate wetting/disintegration time and caking resistance under humidity.

• Oxidation & materials policy
  Align any antioxidant/antifoam use with your solvent/surfactant choices and destination regulations. Record additions in your dossier change-control trail.

• Tank-mix & field practice (label-governed)
  Final instructions must follow local labels. As a principle, conduct jar tests with common partners and adjuvants used in your market; document outcomes in your technical sheet.

• Quality gates before release
  Include dilution stability, emulsion/suspension metrics, viscosity drift, clarity (for ME), freeze–thaw, cold/heat storage, and pack interaction in your release protocol.

Application Domains (Formulation-Level Positioning) — Oxyfluorfen 95% TC

Purpose
Position Oxyfluorfen 95% TC as the base active for pre-emergence soil programs and directed strip applications, delivered through EC/SC/ME/WG finished goods. All end-use claims remain label-dependent in the destination market.

Where the technical fits

• Row crops (soybean, peanut, cotton, sugar beet): build pre-emergence residual against annual broadleafs & sedges, with ancillary activity on grasses when premixed appropriately.

• Allium & vegetables (onion/shallot; selected vegetables): formulate for soil residual and early burn-down of emerged broadleafs under cool–warm transitions.

• Perennial fruit blocks/orchards (strip maintenance): engineer directed-spray formulations for row middles/under-tree strips; emphasize contact performance and surface retention.

• Industrial/non-crop strips (where permitted): use in premixes targeting spectrum breadth and visual burn-down, observing environmental buffers.

Design goals for finished formulations

• Spectrum: prioritize broadleaf & sedge control; add partners to bolster grasses if the label requires.

• Residue vs. contact: balance soil residual (pre-emergence) with contact burn-down (early post / directed) via solvent/surfactant choice and premix strategy.

• Crop selectivity: tailor inert systems and partner actives to the crop list in each registration; validate on local soils (sand/loam/clay).

• Water quality & application practice: ensure stability in hard/soft water and compatibility with common adjuvants; document jar-test outcomes in the tech sheet.

Buyer map (high-level, labels prevail)

Segment	Role of Oxyfluorfen	Formulation direction	Weed emphasis	Notes
Row crops	Pre-emergence base	EC/SC/WG	Broadleaf & sedge core; grasses via partners	Tune to soil texture; respect crop selectivity
Allium & veg	Soil residual + early contact	SC/WG/EC	Broadleaf & sedge	Validate cool–warm stability and pack compatibility
Orchards	Directed strip maintenance	EC/ME/SC	Broadleaf & sedge; visual burn-down	Emphasize surface retention; label buffers apply
Non-crop/industrial*	Spectrum breadth	EC/ME	Broadleaf/sedge + burn-down	Only where permitted by local label/regulation

*Subject to destination-country registration.

FAQ

• Q: Is 95% TC for direct field use?
  A: No. It is a technical concentrate intended only for formulation into EC/SC/ME/WG or approved premixes.

• Q: Which formulations can you build from this TC?
  A: EC, SC, ME, and WG. We select solvent/surfactant/PSD systems to match your market’s water quality, label, and handling norms.

• Q: Do you offer toll formulation and private label?
  A: Yes. We can toll-formulate, pack, and ship under your brand with multilingual artwork, QR/anti-counterfeit, and GS1 barcodes.

• Q: What documents ship with each lot?
  A: COA, MSDS, packing list, and traceability codes. On request: method briefs, stability snapshots, and PSD certificates (for micronized grades).

• Q: Can you align COA indices to our dossier spec?
  A: Yes. We map your authority format, add required auxiliary indices, and keep retains for audit support.

• Q: Do you supply micronized grades?
  A: Yes, on request. We report particle-size distribution (e.g., D90) and verify wetting/suspensibility when applicable.

• Q: Any limits around water pH and hardness?
  A: Design finished goods for neutral to mildly acidic ranges and screen Ca/Mg hardness. Always run jar tests with common adjuvants.

• Q: Technical packing options?
  A: Standard 25 kg fiber drums or multi-wall bags with PE liner; palletized export packs. Custom pallet schemes available.

• Q: Typical lead time and logistics?
  A: Usually 2–3 weeks after PO/spec alignment. Sea, air, and LCL supported; multi-SKU consolidation available under agreed INCOTERMS.

• Q: Can we get evaluation samples?
  A: Yes. We provide TC samples and schedule technical calls to align formulation pathways before scale-up.