Gibberellic Acid Ga3 90% Tc

Gibberellic acid (GA3)Common name: Gibberellic acid, GA3CAS No.: 77-06-5Chemical Name:
(1α , 2β , 4Aα , 4bβ , 10β )-2, 4A, 7-trihydroxy-1-methyl-8-methylenegibb-
3-ene-1, 10-carboxylic acid 1, 4A-lactone. Specification: Gibberellic acid (GA3) 90% TC, Gibberellic acid (GA3) 95% TC, Gibberellic acid (GA3) 40 % tablet
Molecular formula: C19H22O6Chemical family: Plant growth regulatorAppearance: White or buff crystal powderSolubility: Easily dissolve in ethanol, acetone. Slightly dissolve in water (5g/L)or chloroform. Stability: Gibberellic acid (GA3)is high stable in acidic solution or litmusless solution. Rapidly break down in alkali solution. Rapidly decomposed by heat.
Melting point: 223-225.
Shelf life: 3 years under the cool, shade and dry storage conditions.
Toxicity: Small rat can resist LD50 15000mg/kg. Use: Break dormancy; Promote bourgeon; Improve quality and increase fruit production. Applicable to fruits and vegetables. Cautions:
1. Due to low solubility of the pure Gibberellic acid (GA3) in water, dissolve Gibberellic acid (GA3) in small amount of ethyl alcohol at first, add water to reach the concentration required.
2. Must avoid being used with alkaline substance; May be used with neutral or mild acidic.
3. The Gibberellic acid (GA3) must be stored in low temperature and dry conditions. Should be used immediately after adding water. CropsApplication dosageEffectsCucumber50-100mg/L, spray on flowersImprove fruit setting; produce bigger fruitsEggplant10-50mg/L, spray on flowersTomato10-50mg/L, spray on flowersCotton20mg/L, foliar sprayGrape20-50mg/L, spray on fruit clusterCitrus20-40mg/L, spray on flowersPine apple40-80mg/L, spray on flowersRice30-40mg/L, foliar spray at stem elongation stageImprove vegetative growthCelery50-100mg/L, spray whole plant at 15d before harvest 2 times with 3-5d intervalSpinach10-30mg/L, foliar spray at 20d before harvest 2 times with 3-5d intervalLettuce20mg/L, foliar spray at 14-leaf stage 2 times with 3-5d intervalTea40-50mg/L, foliar sprayPotato0.5-1mg/L, tuber treatment for 30minImprove seed germination; break dormancyBarley1mg/L, seed treatmentPulse50mg/L, seed treatmentCucumber/water melon10-50mg/L, spray on fruits before harvestProlong fruit storage; delay fruit senescenceOrange5-20mg/L, spray on fruits before fruit coloringBanana10mg/L, fruit treatment after harvestCherry10mg/L, spray on fruits at 20d before harvest