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Send EmailSodium Humate, Sodium Humic Acid, 68131-04-4
🧪 Sodium Humate — CAS No: 68131-04-4
⚙️ Physical & Chemical Properties
| Property | Details |
|---|---|
| Chemical Formula | Approx. C₉H₈Na₂O₄ |
| Molecular Weight | ~226.14 g/mol |
| Appearance | Black crystalline powder or flakes |
| Density | ~1.51 g/cm³ (at 20 °C) |
| Solubility | Fully soluble in water |
| pH (1% sol.) | 9.0–11.0 (alkaline character) |
| Melting Point | >300 °C |
| Boiling Point | ~640 °C |
| Flammability | Non-flammable |
🌱 Applications by Sector
| Industry | Usage |
|---|---|
| Agriculture | Soil conditioner, bio-stimulant, potassium-enhanced fertilizer alternative |
| Animal Feed | Additive for toxin binding and gut flora stabilization |
| Aquaculture | NH₃ and H₂S adsorption, pH buffer, algae control |
| Industrial | Chelating agent for heavy metals, wastewater treatment, coal binder |
| Cosmetics | Moisture retention, antioxidant, pH adjustment |
| Construction | Concrete additive improving workability and mechanical strength |
📏 Recommended Dosages
| Application Type | Recommended Amount |
|---|---|
| Soil Treatment | 10–20 kg per hectare (with base fertilizer) |
| Foliar Spray | 1–3 L/ha (0.1–0.3% solution) |
| Seed Coating | 1–2 g per kg of seeds |
| Animal Feed | 0.3–0.5 g per kg of feed |
| Water Treatment | 2–3 kg per hectare (every 7–10 days) |
🔄 Alternatives
| Alternative Compound | CAS No. | Notes |
|---|---|---|
| Potassium Humate | 68514-28-3 | Higher potassium content; preferred in agriculture |
| Fulvic Acid | 479-66-3 | Lower molecular weight; more foliar-active |
| Humic Acid | 1415-93-6 | Non-sodium form |
| Seaweed Extracts | 68917-51-1 | Rich in natural hormones and bioactive compounds |
🧾 Synonyms
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Sodium Humic Acid
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Humic Acid Sodium Salt
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Natrium-Humat
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Sodium Huminate
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Dolaflux
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Disodium bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate
🏭 Production Overview
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Source: Extracted from Leonardite (oxidized lignite)
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Method: Alkaline extraction using NaOH
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Steps:
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Leonardite + NaOH + water → liquid extraction
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Filtration and separation of soluble fraction
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Drying → powder, flake, or granule form
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Optional Additives: Chelators, surfactants, stabilizers
