Indole-3-butyric acid
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| Indole-3-butyric acid | |
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| General | |
| Systematic name | 1H-Indole-3-butanoic acid |
| Other names | indole-3-butyric acid 3-indolebutyric acid |
| Molecular formula | C12H13NO2 |
| SMILES | OC(CCCC2=CNC1=CC=CC=C12)=O |
| Molar mass | 203.24 g/mol |
| Appearance | white to light yellow crystals |
| CAS number | [133-32-4] |
| Properties | |
| Density and phase | ? g/cm3 (20 °C), ? |
| Solubility in water | ? g/100 ml (? °C) |
| Melting point | 125 °C |
| Boiling point | decomposes |
| Acidity (pKa) | ? |
| Basicity (pKb) | ? |
| Chiral rotation [α]D | achiral |
| Viscosity | ? cP at ? °C |
| Structure | |
| Crystal structure | ? cubic |
| Dipole moment | ? D |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | |
| NFPA 704 | |
| Flash point | ? °C |
| R/S statement | R: R25 R36/37/38 S: S26 S28 S36/37/39 S38 S45 |
| RTECS number | NL5250000 |
| Related compounds | |
| Related | auxin indole-3-acetic acid |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Indole-3-butyric acid (1H-Indole-3-butanoic acid, IBA) is a white to light-yellow crystalline solid, with the molecular formula C12H13NO2. It melts at 125 °C in atmospheric pressure and decomposes before boiling.
[edit] As a Plant Hormone
IBA is a plant hormone in the auxin family and is an ingredient in many commercial plant rooting horticultural products.
For use as such, it should be dissolved in about 75% (or purer) alcohol (as IBA does not dissolve in water), until a concentration from between 10,000 ppm to 50,000 ppm is achieved - this solution should then be diluted to the required concentration using distilled water. The solution should be kept in a cool, dark place for best results.
This compound had been thought to be strictly synthetic; however, it was reported that the compounds was isolated from leaves and seeds of maize and other species(Hopkins 1999).
[edit] References
- William. G.Hopkins(1999). Introduction to Plant Physiology. John Wiley and Sons. ISBN:0-471-19281-3
- Super-Grow website
- Oxford University Chemistry website
