Boric Acid / Borax (Sodium Borate)
Boron source • oilseeds • micronutrients
B content (w/w)
≈17.4% (BA) • 14.8% (Borax·5H₂O) • 11.3% (Borax·10H₂O)
Liquid boron
10–15% B (stabilized)
pH (1% soln)
BA ≈ 5 • Borax ≈ 9–9.5
Solubility @ 20 °C
BA ≈ 47 g/L • Borax·10H₂O ≈ 27 g/L
Use notes
Warm water & agitation improve dissolution
Application rates depend on crop and soil/tissue tests; boron has
a narrow safety margin—consult local agronomy guidance.
| Parameter | Typical | Spec |
|---|---|---|
| Assay (H₃BO₃) | ≥ 99.0% | ≥ 98.5% |
| Boron (B) | ≈ 17.4% | — |
| Particle size | powder/granular | as ordered |
| Water insolubles | ≤ 0.1% | ≤ 0.2% |
| Appearance | white crystalline powder | conforms |
| Parameter | Typical | Spec |
|---|---|---|
| Assay (Na₂B₄O₇·5H₂O) | ≥ 99% | ≥ 98% |
| Boron (B) | ≈ 14.8% | — |
| Particle size | crystals/granular | as ordered |
| pH (1% soln) | ≈ 9.3 | typical |
| Appearance | white crystals | conforms |
| Parameter | Typical | Spec |
|---|---|---|
| Assay (Na₂B₄O₇·10H₂O) | ≥ 99% | ≥ 98% |
| Boron (B) | ≈ 11.3% | — |
| Particle size | crystals/granular | as ordered |
| pH (1% soln) | ≈ 9.2 | typical |
| Appearance | white crystals | conforms |
| Parameter | Typical | Spec |
|---|---|---|
| Boron (B) | 10–15% | per order |
| Density (20 °C) | ≈ 1.20–1.30 g/mL | — |
| pH | neutral to slightly alkaline | — |
| Compatibility | generally tank‑mix compatible* | verify jar test |
| Appearance | clear to slightly hazy liquid | conforms |
*Check pesticide/foliar nutrient compatibility before mixing;
perform a jar test.
| Applications | Packaging | Storage & Handling |
|---|---|---|
|
• Oilseeds (canola, soybean, sunflower): flowering & pod
set support.
• Fruits & vegetables: deficiency correction and quality programs. • Soil, foliar or fertigation use depending on crop and growth stage. |
• Solids: 25 kg PE‑lined bags • 1000 kg big bags.
• Liquid: 20 L pails • 200 L drums • 1000 L IBCs. |
• Non‑DG. Keep dry and sealed; avoid moisture pickup
(solids).
• Avoid dust; use PPE. Liquids: protect from freezing; mix before use. |
Specs are representative; shipped material conforms to the COA for
the lot. Observe local fertilizer registration, labeling, and
maximum application rules.