Indole 3 Acetic Acid 98%TC CAS 87-51-4

Indole 3 Acetic Acid 98%TC is a plant auxin, with the chemical formula of C10H9NO2, molecular weight: 175.184, melting point: 165-169℃, white crystalline powder, easily soluble in ethanol, slightly soluble in chloroform, and insoluble in water.

Indole 3 Acetic Acid belongs to indole compounds, which is an endogenous auxin of plants and widely distributed in many plants. In addition, Auxin is the earliest discovered plant hormone, and its chemical essence is Indole 3 Acetic Acid, so it is customary to use Indole 3 Acetic Acid as a synonym for Auxin.

What are the properties of Indole 3 Acetic Acid?

Indole is a compound of pyrrole and benzene in parallel. Also known as Benzopyrrole. There are two forms of incorporation, called indole and isoindole. Indole and its homologs and derivatives widely exist in nature, mainly in natural flower oils, such as jasmine, orange blossom, daffodil, fragrant roan, etc. For example, indole was first degraded from indigo; indole and its homologs also exist in coal tar; essential oils (such as jasmine essential oil, etc.) also contain indole; feces contain 3-methyl indole; Dye is a derivative of indole; tryptophan, an essential amino acid of animals, is a derivative of indole; some natural substances with strong physiological activity, such as alkaloids, auxins, etc., are all derivatives of indole. Indole is an imine with weak basicity; the double bond of the heterocyclic ring generally does not undergo an addition reaction; it can undergo dimerization and trimerization under the action of strong acid; under special conditions, it can be aromatic and electrophilic Taking the reaction, the hydrogen on the 3-position is preferentially taken, such as the reaction with a sulfonyl chloride, 3-Chloroindole can be obtained. A variety of reactions can also occur at the 3-position, such as the formation of Grignard reagents, condensation with aldehydes, and Mannich reactions.

How is Indole 3 Acetic Acid synthesized and metabolized?

Indole 3 Acetic Acid 98%TC is similar in chemical structure to tryptophan, which is the main precursor of IAA synthesis. Plants can convert tryptophan into IAA in many ways, and can also synthesize IAA through tryptophan-independent ways. These pathways are usually named by key intermediates, among which the Indole -3- pyruvate pathway is the main pathway of IAA biosynthesis: firstly, tryptophan is catalyzed by tryptophan aminotransferase, and indole -3- pyruvate is generated by deamination reaction, and then indole -3- pyruvate is catalyzed by flavin monooxygenase to generate IAA.

The metabolism of IAA mainly includes the formation of conjugates, hydrolysis, and degradation of IAA. Free IAA is an active form, but most IAA exists in the form of conjugates in plants, which can be combined with amino acids, sugars, and inositol. The bound IAA itself is inactive, and when they are hydrolyzed, they release free IAA. If IAA concentration is too high, it will be toxic to cells. It can be degraded by various enzymatic reactions, and IAA can also be nonenzymatically oxidized under the light. The synthesis and metabolism of IAA regulate the level of IAA in plant tissues.

What are the functions of Indole 3 Acetic Acid?

Indole 3 Acetic Acid 98%TC is used as a plant growth stimulator and analytical reagent. 3- indoleacetic acid, 3- indoleacetic acid, 3- indoleacetic acid, ascorbic acid, and other auxins naturally exist in nature, and tryptophan is the precursor of biosynthesis of 3- indoleacetic acid in plants. The basic function of auxin is to regulate the growth of plants, which can not only promote growth but also inhibit growth and organogenesis. Auxin exists not only in a free state in plant cells, but also inbound auxin which is firmly combined with biopolymers, and auxin which forms conjugates with special substances, such as indole acetyl asparagine, indole acetyl pentose, and indole acetyl glucose. This may be a storage method of auxin in cells, and it is also a detoxification method to relieve the toxicity of excess auxin.

At the cellular level, auxin can stimulate cambium cell division; Stimulate the cell elongation of branches and inhibit the growth of root cells; Promote cell differentiation of xylem and phloem, and promote rooting of cuttings, and regulate the morphogenesis of callus.

At the organ and whole plant level, auxin plays a role from seedling to fruit ripening. Reversible red light inhibition of auxin to control hypocotyl elongation in seedlings; When indoleacetic acid is transferred to the lower side of the branch, the geotropism of the branch occurs. When indoleacetic acid is transferred to the backlight side of the branch, the phototropism of the branch occurs; Indoleacetic acid causes apical dominance; Delaying leaf senescence; Auxin applied to leaves inhibited abscission, while auxin applied to the near-axis end of abscission layer promoted abscission. Auxin promotes flowering, induces the development of parthenocarpic fruits, and delays fruit ripening.

What is the usage method of Indole 3 Acetic Acid?

1. soak

(1) soaking tomatoes in flowers with 3,000 mg/L liquid medicine at the full flowering stage to induce parthenocarpy and fruit set of tomatoes to form seedless tomato fruits and increase the fruit setting rate;

(2) Root soaking can promote the rooting of apples, peaches, pears, oranges, grapes, kiwis, strawberries, poinsettia, carnation, chrysanthemum, rose, magnolia, rhododendron, tea, Metasequoia glyptostroboides, poplar, and other crops, induce the formation of adventitious roots, and accelerate the vegetative propagation speed. Generally, 100-1000mg/L is used to soak the base of cuttings, and the species that are easy to root are lower. The soaking time is about 8-24 hours, with high concentration and short soaking time.

2. Spraying

Chrysanthemum can be sprayed once with a 25-400mg/L chemical solution (under 9-hour photoperiod), which can inhibit the emergence of flower buds and delay flowering.

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Note: This compound should be used for research purposes only. These claims have not been evaluated by the Food and Drug Administration. Please consult your doctor and learn about available studies before using them. This product is not intended to diagnose, treat, cure or prevent any disease.

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