Common name: Gibberellic acid

Chemical name: (1a, 2b, 4aa, 4bb, 10b)-2, 4a, 7-trihydroxy-1-methyl-8-methylenegibb-3-ene-1, 10-dicarboxylic acid 1, 4a-lactone

CAS Number: 77-06-5

PHYSICAL CHEMISTRY

Mol. Wt. 346.4 M. F. C19H22O6

Appearance: Crystalline solid. M. P. 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). Stability Dry gibberellic acid is stable at room temperature, but slowly undergoes hydrolysis in aqueous or aqueous-alcoholic solutions, DT50 (20 ) c. 14 d (pH 3-4), 14 d (pH 7). In alkalis, undergoes a rearrangement to less biologically-active compounds. Decomposed by heat. PKa 4.0

Formulation: 90%tech 40%, 10%SP

Packing: Net 200L in drum or 25kg in drum, or according the client's requirement