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Pyroligneous acid, also commonly known as wood vinegar, is a natural, complex, multi-component liquid produced during the dry distillation or carbonization of wood or biomass. It is not a single compound but contains over 200 organic components, primarily including organic acids, phenols, ketones, and alcohols. This unique composition gives it broad-spectrum antibacterial, antiseptic, deodorizing, and bioregulatory activities. As a versatile, naturally derived product, it holds unique value in organic agriculture, environmentally friendly wood treatment, and ecological aquaculture, where there is a growing demand for reducing the use of chemical products.
The product is refined through multiple processes including settling and filtration, resulting in stable quality.
| Property | Specification | Note |
|---|---|---|
| Product Name | Pyroligneous Acid (Wood Vinegar) | - |
| CAS No. | 8030-97-5 | - |
| Source | Derived from hardwood pyrolysis (e.g., oak, maple) | - |
| Appearance | Brownish-red to dark brown clear liquid | May have characteristic smoky odor |
| pH Value | 2.0 - 3.5 | - |
| Total Organic Acid (as Acetic Acid) | ≥ 5.0% | Titration |
| Moisture Content | Balance | - |
The effectiveness of natural products highly depends on the source of raw materials, process stability, and degree of refinement.
| Comparison Dimension | Common Crude Wood Vinegar | Our Refined Pyroligneous Acid (The Solution) |
|---|---|---|
| Source & Process Control | Mixed raw materials, unstable pyrolysis temperature and collection stage, leading to large component fluctuations and unpredictable efficacy. | Selected hardwood raw materials, controlled temperature pyrolysis and collection of effective fractions ensure stable and enriched active ingredients (organic acids, phenols). |
| Refinement & Purity | Only simple filtration, high content of macromolecular impurities such as tar, which may cause phytotoxicity to plants or clog spraying equipment. | Long-term settling, multi-layer filtration, and separation processes effectively reduce tar content, resulting in a clear liquid that is safer and more convenient to use. |
| Consistency & Activity | Large batch-to-batch variations in color, odor, and acidity, lacking consistency as a production raw material or commodity, affecting user trust. | Standardized refinement process ensures stable physicochemical indicators (e.g., pH, organic acid content) across batches, providing reliable and repeatable efficacy. |
| Application Guidance | Lack of clear usage guidelines based on safety and effectiveness, posing risks for users to experiment on their own. | Provides application-specific dilution recommendations and safe handling guidelines (e.g., different concentrations for agriculture, preservation, deodorization) based on experiments, helping customers use the product safely and efficiently. |
1. Organic Agriculture and Soil Improvement
Scenario: As a soil conditioner, diluted solution can be used for root irrigation to improve soil in continuous cropping systems and promote the reproduction of beneficial microorganisms; as a foliar spray, it can inhibit some fungal diseases and repel pests; when used in composting, it can accelerate fermentation and reduce odors.
Function: The organic acids and phenolic substances create an environment unfavorable to soil-borne pathogens while stimulating crop growth.
2. Environmentally Friendly Wood Protection
Scenario: Used to treat fences, garden wood products, outdoor furniture, etc., replacing some chemical preservatives; used for mold prevention in bamboo.
Function: The acidic environment and phenolic substances effectively inhibit the growth of wood-rotting fungi, mold, and wood-boring insects, extending the outdoor service life of wood.
3. Animal Husbandry and Environmental Management
Scenario: Diluted solution can be sprayed in livestock and poultry houses as a natural deodorant and disinfectant; used in trace amounts when added to animal feed or drinking water, it helps improve intestinal health.
Function: Neutralizes odor molecules such as ammonia, inhibits pathogens in the environment, and its trace components may play a role in regulating digestion.
4. Other Daily and Industrial Uses
Scenario: Used in the preparation of natural household cleaning agents or deodorizers; as a raw material for smoking liquid, imparting flavor to food; as a functional component in cosmetics (requires further refinement).
Function: Utilizes its antibacterial, deodorizing, and unique smoky aroma properties.
Application Support: We can provide tailored recommendations based on your specific applications (agricultural dilution ratios, wood treatment processes).
Compliance Documents: We provide material safety data sheets and product technical specifications that meet transportation and storage requirements.
Customization Possibilities: We can discuss adjusting the refining level or providing products from different raw material sources to meet customer needs.
Q: Can pyroligneous acid (wood vinegar) be used directly?
A: It should absolutely not be used directly, especially on plants and animals. Its high acidity and high concentration of active substances can cause serious harm. It must be significantly diluted according to its intended use (typically a dilution ratio of 1:200 to 1:1000 for agricultural use). Please strictly follow our application guidelines or conduct small-scale trials first.
Q: What are its advantages and disadvantages compared to chemical pesticides or preservatives?
A: The advantages are that it is natural, environmentally friendly, has extremely low residue risk, is less likely to cause resistance, and has multiple functions. The disadvantages are that its effects are usually milder and slower, the duration of effect may be shorter, it is greatly affected by environmental conditions, and its "emergency" effect on severe existing diseases or pests is not as good as synthetic chemicals. It is more suitable as a preventive and regulatory component in an integrated management program.
Q: Is it spoiled if the product has sediment or changes color?
A: A small amount of sediment after standing is normal; it is the precipitation of some macromolecular substances in the natural complex mixture. Avoid stirring up the sediment or filter it again before use. Slight variations in color due to raw materials and batches are normal. As long as the liquid is clear and the smell is typical, it generally does not affect the activity. However, if there is abnormal turbidity or a fermented odor, it may be spoiled.
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