Gibberellic acid tech

Chemical name: (3s, 3as, 4s, 4as, 7s, 9ar, 9br, 12s)- 7, 12-dihydroxy-3-methyl-6-methylene-2- oxoperhydro-4A, 7-methano-9b, 3-propeno[1, 2-b]furan-4-carboxylic acid.

Formula: C19h22o6.

M. W. 346.37

CAS No.: 77-06-5.

Description:
Appearance: White crystal powder.
Stability: Soluble in alcohol, acetone, etheracetate, and pH6.2 phisphoric acid buffer solution. It can't dissolve in ether, chloroform, benzol and water. It is stable in dry or acid solution and can be discomposed by alkali.
Toxicity: Oral ld50 (rat)>63, 000 mg/kg. Skin ld50(rabbit) >5, 000 mg/kg.
Specifications: 90%, 95%tc, 10%, 16%, 20%tablet, 2.7% gibberellin paste, ga4. +a7 90%tc.

Uses: Gibberellic acid is the growth adjustment of plant, it is used to improve the growth, prematurity and output of plant. It can break the dormancy of seed, tuber and bulb, and improve burgeon, growth and fruit rate. Especially, it has very good effect on crossbred rice. It is widely used on cotton, grape, tomato, fruit and vegetable.