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Send EmailHumic Acid, Humin, 1415-93-6
🧪 Humic Acid — Natural Organic Compound for Soil and Crop Health Derived from Leonardite, peat, or compost, Humic Acid enhances nutrient availability, soil structure, and microbial balance.
⚙️ Physical & Chemical Properties
| Property | Description |
|---|---|
| Chemical Structure | Polymeric matrix with aromatic rings, carboxyl (-COOH), and phenolic (-OH) groups |
| Molecular Weight | 300–10,000 g/mol (variable, high molecular weight) |
| Appearance | Black-brown amorphous powder or granules |
| Solubility | Partially soluble in water; soluble in alkaline solutions (pH >8.5) |
| pH (native) | 3.5–5.5 (acidic) |
| Organic Carbon | 50–60% |
| Key Functional Groups | -COOH, -OH, C=O, phenolic structures |
🌱 Applications by Industry
| Sector | Application |
|---|---|
| Agriculture | Soil conditioner, biostimulant, fertilizer enhancer |
| Animal Nutrition | Feed additive for toxin binding and immune support |
| Aquaculture | pH buffering, ammonia & hydrogen sulfide removal |
| Industrial | Heavy metal chelation, wastewater treatment, ink and dye additive |
| Cosmetics | Antioxidant, humectant, skin barrier support |
| Construction | Concrete additive for improved workability and durability |
📏 Recommended Usage Rates
| Application Type | Dosage & Concentration |
|---|---|
| Soil Treatment | 10–30 kg/ha (granular form) |
| Foliar Spray | 1–3 L/ha (0.1–0.3% solution) |
| Seed Coating | 1–2 g/kg of seeds |
| Animal Feed | 0.2–0.5 g/kg of feed |
| Aquatic Treatment | 2–5 kg/ha (every 7–10 days) |
🔄 Alternatives & Related Compounds
| Alternative | CAS No. | Highlights |
|---|---|---|
| Sodium Humate | 68131-04-4 | Water-soluble; alkaline form; widely used in agriculture |
| Potassium Humate | 68514-28-3 | Higher potassium content; preferred for foliar applications |
| Fulvic Acid | 479-66-3 | Low molecular weight; high cell permeability; effective in nutrient uptake |
| Seaweed Extract | 68917-51-1 | Contains natural plant hormones; strong biostimulant effects |
🧾 Synonyms & Trade Names
-
Humic Substance
-
Humate
-
Leonardite Extract
-
Humin
-
Natural Chelator
-
Organic Soil Conditioner
🏭 Manufacturing Process
| Step | Description |
|---|---|
| Raw Materials | Leonardite, peat, compost, lignite |
| Extraction Method | Alkaline extraction using NaOH or KOH |
| Process Flow | Grinding → Alkaline solubilization → Filtration → Drying / Granulation |
| Biological Option | Microbial bioleaching for certified organic production |
| Optional Additives | Chelating agents, surfactants, stabilizers |
