Indole-3-acetic acid
Description
Indole-3-acetic acid (IAA) is the most common naturally occurring plant auxin. It regulates a wide range of physiological processes, including cell elongation, root initiation, apical dominance, and differentiation. In plant tissue culture, IAA is frequently used to induce root formation, callus initiation, and somatic embryogenesis. Due to its instability and light sensitivity, IAA is often used in freshly prepared solutions or combined with other auxins such as NAA or IBA for optimal morphogenic responses.
Technical info
Components
- Synonyms: β-Indoleacetic acid, Heteroauxin
- Chemical formula: C₁₀H₉NO₂
- Molecular weight: 175.18 g/mol
- CAS number: 87-51-4
- Purity: ≥98%
- Appearance: White to light tan crystalline powder
- Solubility: Slightly soluble in water; soluble in ethanol, DMSO, or NaOH solution
Storage conditions
- Store at 2–8 °C
- Keep dry, tightly sealed, and protected from light
Applications
- Root induction
- Callus formation
- Tissue culture morphogenesis
- Plant growth regulation
Hazard classification (GHS)
- H302: Harmful if swallowed
- H315: Causes skin irritation
- H319: Causes serious eye irritation
Precautionary statements
- P280: Wear protective gloves/protective clothing/eye protection/face protection
- P301+P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes
MSDS
MSDS
Certificate of Analysis
Certificate of Analysis
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