Plant Growth Hormones Auxin Transport Inhibitor 2,3,5-Triiodobenzoic Acid (TIBA)

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Plant Growth hormones Auxin Transport Inhibitor 2,3,5-Triiodobenzoic acid (TIBA)

2,3,5-Triiodobenzoic acid (TIBA) is an auxin transport inhibitor use to study the role of auxin flow during plant growth, Inhibit the plant top growth, dwarf plant, promote the growth of lateral bud and tiller. Under high concentrations, it can inhibit growth, used to prevent soybean lodging; under lower concentration, it promotes rooting; Under the appropriate concentration, it can promote flowering and induce bud formation.

CAS NO.: 88-82-4

Chemical Name: 2,3,5-Tiba; 2,3,5-triiodobenzoic; 2,3,5-triiodo-benzoicaci; 2,3,5-Triodobenzoic acid; a20812;Johnkolor; Kyselina 2,3,5-trijodbenzoova;kyselina2,3,5-trijodbenzoova

 

Physical and chemical properties

Chemical Formula:  C7H3I3O2

Molecular Weight: 499.81

Structural Formula: 

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Description: Off-white powder

Solubility: difficult dissolve into water,soluble in ethanol, acetone, ether. 

 

Toxicity:

Rat acute oral LD50 of 14.7 ml / kg

Rabbit acute skin LD50> 10 ml / kg

 

Application:

Soybean: Early the flowering stage, 45-75 g active ingredients, i.e the dose 200 mg/kg, foliar spraying. Thus it can thicken soybean stem, prevent lodging, promote flowering, increase production, improve quality .

Peanut: during the flowering stage, 200 mg/kg, foliar fertilizer, to increase yielding  and impove fruit quality.

Potato: budding stage, with 100 mg / kg solution, foliar spray, to increase the yield  of potato tubers.

Promote flowering ( for example: cyclamen, cacti); Woody ornamentals: triiodobenzoic acid inhibits plants flourishing, promote  collateral growth, improve plant figure.

 

Specs: 98%TC

Items

Specification

Appearance

White powder

Assay,acid-base titration

=98% 

Assay(HPLC)

=98%

Melting point

227-231?

Loss of drying

0.5(%)

Ignition residue

=0.5% 

 

2,3,5-Triiodobenzoic acid (TIBA) 98%TC

Package: 1kg/bag, 25kg/drum


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