IAA;3-IAA;JAA;3-INDOLEACETIC ACID;3-INDOLYLACETIC ACID

4-(indol-3-yl)butyric acid

C₁₀H₉NO₂

Form Crystalline solid.

Melting point 223-225℃ (decomp.).

Solubility In water 5 g/l (room temperature).

Soluble in methanol, ethanol, acetone, and aqueous alkalis; slightly soluble in diethyl ether and ethyl acetate. Insoluble in chloroform. Potassium, sodium, and ammonium salts: Readily soluble in water (potassium salt 50 g/l).

Oral Acute oral LD50 for rats and mice >15 000 mg/kg.

Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg.

Non-irritating to skin and eyes. Inhalation No ill-effect on rats subjected to 400 mg/l for 2 h/d for 21 d.

Has a variety of applications, e.g. to improve fruit setting of clementines and pears (especially William pears); to loosen and elongate clusters and increase berry size in grapes; to control fruit maturity by delaying development of the yellow colour in lemons; to reduce rind stain and retard rind ageing in navel oranges; to counteract the effects of cherry yellows virus diseases in sour cherries; to produce uniform seedling growth in rice; to promote elongation of winter celery crop; to induce uniform bolting and increase seed production in lettuce for seed; to break dormancy and stimulate sprouting in seed potatoes; to extend the picking season by hastening maturity in artichokes; to increase the yield in forced rhubarb; to increase the malting quality of barley; to produce brighter-coloured, firmer fruit, and to increase the size of sweet cherries; to increase yields and aid harvesting of hops; to reduce internal browning and increase yields of Italian prunes; to increase fruit set and yields of tangelos and tangerines; to improve fruit setting in blueberries; to advance flowering and increase the yield of strawberries; and also a variety of applications on ornamentals. Application rates up to 80 g/a per application, depending on desired effect.

Description: Off-white crystalline powder, free from visible extraneous matter;

Active Ingredient Content(w/w): ≥98%;

Loss on Drying(w/w): ≤0.5%;

Residues after Ignition: ≤0.1%