Indole-3-acetic acid CAS 87-51-4 White crystalline powder. Melting point 165-166°C (168-170°C). Soluble in acetone and ether, slightly soluble in chloroform, insoluble in water.
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Product Name |
Indole-3-acetic acid |
||
Formula |
C10H9NO2 |
Molecular Weight |
175.18 |
CAS NO. |
87-51-4 |
Quantity |
500KG |
Items |
Specification |
Results |
Appearance |
off-white to tan crystalline |
Conforms |
Assay |
99% | 99.28% |
CONCLUSION |
The result conform with standard |
Melting point 165-169°C(lit.)
Boiling point 306.47°C (roughestimate)
Density 1.1999 (roughestimate)
Refractive index 1.5460 (estimate)
Flash point 171°C
Storage condition -20°C
morphological crystalline
Acidity coefficient (pKa) 4.75(at25℃)
Color off-whitetotan
Used as plant growth stimulating hormone and analytical reagent. 3-Indoleacetic acid and auxins such as 3-indoleacetaldehyde, 3-indoleacetonitrile and ascorbic acid exist naturally in nature. The precursor of 3-indoleacetic acid biosynthesis in plants is tryptophan. The basic function of auxin is to regulate the growth of plants, not only to promote growth, but also to inhibit growth and organ building. βChemicalbook auxin not only exists in free state in plant cells, but also exists in bound auxin that is firmly bound to biopolymers, and also has auxin that forms conjugates with special substances, such as indoleacetyl aspart. amide, indole acetate apentose and indole acetyl glucose, etc. This may be a storage method of auxin in cells, and it is also a detoxification method to relieve the toxicity of excess auxin.