Indole-3-Butyric Acid (IBA) – Rooting Hormone Auxin 99%
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  • Indole-3-Butyric Acid (IBA) – Rooting Hormone Auxin 99%

IBA | Indole-3-butyric acid

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Indole-3-butyric acid (IBA)

Other names: Indolyl-3-butyric acid, IBA, Indolebutyric acid, 3-Indolebutyric acid, 1H-Indole-3-butanoic acid, 4-(1H-Indol-3-yl)butanoic acid, IМК, ИБК
Agrotype: Plant growth regulator – Rooting stimulant
Chemical formula: C₁₂H₁₃NO₂
CAS No.: 133-32-4
Purity: ≥ 99% active ingredient
Appearance: White to light beige powder
Solubility: Poorly soluble in water. Readily soluble in acetone, benzene, ethanol, and chloroform.
Shelf life: 3 years
Packaging options: 1 g, 3 g, 5 g, 10 g, 100 g (on request), 1 kg (on request)
Similar products: Potassium salt of Indole-3-butyric acid

Weight: 1 g
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Product Description

Indole-3-butyric acid (IBA) is a naturally occurring plant hormone from the auxin group that plays a crucial role in stimulating plant growth and development. It is one of the most effective rooting stimulants, widely used to promote root formation in cuttings, support plant propagation, and aid the healing of damaged branches. Plants treated with IBA develop stronger root systems, which enhances water and nutrient uptake, improves stress resistance, and significantly increases transplant success rates.

IBA activates cell division and stimulates the growth of roots, shoots, and leaves. It can also accelerate seed germination and seedling development, making it an essential tool for both home gardeners and commercial plant producers.

Why Use IBA?

  • Enhanced Root Formation: IBA significantly increases the success rate of root formation in cuttings and seedlings, even in species that are difficult to propagate by conventional means.

  • Faster Growth: By promoting root development, IBA accelerates overall plant growth, including branch and leaf expansion.

  • Improved Stress Tolerance: Treated plants cope better with transplant shock, drought, nutrient deficiency, or pesticide exposure.

  • Recovery After Damage: IBA supports faster recovery after pruning or pest damage by stimulating new growth.

  • Cost-Effective: For commercial growers, IBA offers an economical way to root and grow a large number of plants simultaneously.

Recommended Uses

  • Propagation and rooting of cuttings for both hobbyists and professional horticulturists

  • Flower growers for rooting bouquet plants

  • Landscapers for improving transplant establishment

  • Farmers for pre-sowing seed treatment

  • Greenhouse and nursery operators for stimulating seedling growth

How to Prepare a Working Solution

  1. Use a small glass container.

  2. Add the required amount of IBA powder and a small volume of alcohol. Stir thoroughly.

  3. If undissolved powder remains, add a bit more alcohol and mix until the solution becomes completely clear.

  4. To prepare the working solution, dilute the desired volume of this stock solution in water and mix well.

Don’t worry about the alcohol harming plants — the final concentration is extremely low and even beneficial, as it can act as a mild fungicide.

Stock solution ratio: Dissolve 1 gram of IBA in 10–50 mL of alcohol.

Storage and Stability

  • Store the powder in a cool, dark place.

  • The working solution loses its activity quickly and should be used within 24 hours.

  • Any remaining stock solution can be stored at +3 °C to +8 °C for 2–3 weeks.

It is recommended to purchase IBA as a powder and prepare the working solution freshly before use.

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