3-Indolebutyric Acid CAS No. 133-32-4

3-Indolebutyric Acid (IBA) 

CAS No.: 133-32-4 | EC No.: 205-101-5

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1. Chemical Identification

Property	Specification
IUPAC Name	4-(1H-indol-3-yl)butanoic acid
Molecular Formula	C₁₂H₁₃NO₂
Molecular Weight	203.24 g/mol
Appearance	Clear colorless to pale yellow liquid
Melting Point	124-125.5°C (lit.)
Acidity Coefficient	pKa 4.83±0.10 (predicted)
Refractive Index	1.5440 (estimate)
Density	1.25 g/cm³ (approx.)

Synonyms:
IBA, Indole-3-butyric acid, Seradix, 4-(3-Indolyl)butyric acid

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2. Key Applications

Plant Growth Regulation

Rooting agent: Promotes root development in cuttings (woody/herbaceous plants)Fruit setting: Enhances fruit set in melons and other cropsTissue culture: Used in plant micropropagation

Agricultural Benefits

✔ Improves propagation success rates
✔ Increases crop yields
✔ Compatible with various plant species

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3. Product Advantages

✔ High Biological Activity – Effective at low concentrations
✔ Ease of Use – Liquid form for convenient application
✔ Proven Performance – Widely used in commercial horticulture

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4. Physical & Chemical Properties

Solubility:Soluble in ethanol, acetone, and alkaline solutionsSlightly soluble in water (0.25 g/L at 20°C)Stability: Stable under normal storage conditions

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5. Handling & Storage

Storage Conditions:Keep container tightly closedStore in cool, dry place (15-25°C)Protect from lightShelf Life: 24 months when properly stored

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6. Safety Information

Precautionary Statements:

P264: Wash hands thoroughly after handlingP280: Wear protective gloves/eye protectionP305+P351+P338: IF IN EYES: Rinse cautiously with water

First Aid Measures:

Skin contact: Wash with soap and waterIngestion: Seek medical advice

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7. Quality & Packaging

Specification:

Purity: ≥98% (HPLC)Moisture: ≤0.5%

Packaging Options:

100mL, 500mL amber glass bottles1L, 5L plastic containersCustom packaging available

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Disclaimer:
This information is provided for professional reference only. Users must ensure proper handling procedures and comply with local agricultural regulations. Always conduct small-scale trials before full application.

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Why Choose Our IBA?

Consistent Quality: Batch-to-batch reliabilityTechnical Support: Expert agronomic advice availableGlobal Standards: Meets international agricultural chemical requirements

For application guidelines or custom formulations, please contact our technical team.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.