Humic Acid (CAS: 1415-93-6)

Overview

Humic acid is a naturally occurring organic substance derived from the decomposition of plant and microbial matter. It is widely found in soil, peat, and water bodies, playing a crucial role in soil fertility and industrial applications.

Chemical Composition and Properties

Structural Characteristics

– Contains carbon, hydrogen, oxygen, nitrogen, and sulfur
– High molecular weight with complex macromolecular structure
– Rich in functional groups such as carboxyl (-COOH) and phenolic (-OH)

Physical and Chemical Properties

Appearance: Dark brown to black powder or liquid
Solubility: Soluble in alkaline solutions, insoluble in acidic and neutral water
pH Range: Typically between 6 and 8
Cation Exchange Capacity (CEC): High, allowing for strong nutrient-binding capabilities

Key Applications

Agricultural Benefits

Soil Enhancement

– Improves soil structure and water retention
– Increases microbial activity and aeration

Plant Growth Promotion

– Enhances nutrient uptake efficiency
– Stimulates root development and overall plant health

Fertilizer Additive

– Reduces nutrient leaching
– Enhances fertilizer efficiency and sustainability

Environmental Applications

Soil and Water Remediation

– Binds heavy metals and toxins, reducing contamination risks
– Improves soil recovery in polluted areas

Wastewater Treatment

– Assists in removing heavy metals and organic pollutants
– Acts as an effective bio-adsorbent

Carbon Sequestration

– Stabilizes organic matter in soil
– Contributes to mitigating climate change effects

Industrial Uses

Oil and Gas Industry

– Used in drilling fluids for pH stabilization and viscosity control
– Prevents borehole collapse

Construction Sector

– Functions as a plasticizer in concrete formulations
– Enhances durability and workability of materials

Leather and Textile Processing

– Improves dye fixation and processing efficiency
– Reduces chemical waste in manufacturing

Safety and Handling

Protective Measures: Use gloves, goggles, and respiratory protection
Storage Recommendations: Keep in a dry, cool place, away from strong oxidizers and acids
Spill Response: Contain with absorbent materials and dispose of properly

Conclusion

Humic acid (CAS: 1415-93-6) is a multifunctional organic compound with extensive benefits in agriculture, environmental sustainability, and industrial applications. Its ability to enhance soil health, aid in pollution control, and contribute to various industries makes it an essential material for sustainable development.