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Natural Plant Hormones Gibberellins, Gibberellic Acid GA3 CAS NO.77-06-5

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Natural Plant hormones Gibberellins, Gibberellic acid GA3 CAS NO.77-06-5

CAS NO.: 77-06-5  

Chemical Name: Gibberellin A3; Gibberellins;

GA3;2,7-dihydroxy-1-methyl-8-methylene-13-oxo-1,2,4b,5,6,7,8,9,10,10a-decahydro-4a,1-(epoxymethano)-7,9a-methanobenzo[a]azulene-10-carboxylic acid


Physical and Chemical Properties:

Appearance: White powder crystal

Empirical Formula: C19H22O6

Molecular Weight: 346.38

Structural Formula: Structural Formula

Melting point: 223-225°C


Gibberellic acid is safe to human and livestocks. The acute oral dosage to young mice( LD50 ) > 15000mg/kg.


Do not mix gibberellic acid with the alkaline solutions.


Gibberellins (GA3) belong to a natural plant hormones. It can stimulate plant stem elongation by stimulating cell division and elongation.

 √  Break seed dormancy

 √  Promote germination

 √  Increase fruit setting rate

 √  Raise the yield of rice, wheat, corn, vegetable, fruit, etc.


50-100mg/L, spray on flowers

Improve fruit setting; produce bigger fruits


10-50mg/L, spray on flowers


10-50mg/L, spray on flowers


20mg/L, foliar spray


20-50mg/L, spray on fruit cluster


20-40mg/L, spray on flowers

Pine apple

40-80mg/L, spray on flowers


30-40mg/L, foliar spray at stem elongation stage

Improve vegetative growth


50-100mg/L, spray whole plant at 15d before harvest 2 times with 3-5d interval


10-30mg/L, foliar spray at 20d before harvest 2 times with 3-5d interval


20mg/L, foliar spray at 14-leaf stage 2 times with 3-5d interval


0.5-1mg/L, tuber treatment for 30min

Improve seed germination; break dormancy


1mg/L, seed treatment


50mg/L, seed treatment

Cucumber/water melon

10-50mg/L, spray on fruits before harvest

Prolong fruit storage; delay fruit senescence


5-20mg/L, spray on fruits before fruit coloring


10mg/L, fruit treatment after harvest


10mg/L, spray on fruits at 20d before harvest


For more detailed application dose


Gibberellic acid Specs what we supply:


Gibberellic acid 90%TC


SpecificationGibberellic acid 90%TC


White Powder Crystal

Content  HPLC


Loss  on  Drying


Rotation  〔α〕20D



40-60 mesh

Gibberellic acid 90% purity raw material, high purity gibberellic acid for sale or making GA3 formulations. Also higher than 90% purity Gibberellins can be customized.

Package for Gibberellic acid TC products:

1kg/bag, 25kg/drum


Gibberellic acid 40%SP,(20%SP, 10%SP)


SpecificationGibberellic acid 40%SP,(20%SP, 10%SP)


White Powder

Content  HPLC


Water Content 

≤ 3.0

Solution  Time(min)

≤ 5.0

Soluble powder form of Gibberellic acid, which can be dissolved in water directly, easy using.


Package for Gibberellic acid SP products:

1kg/bag, 25kg/drum,(40% SP, 20% SP, 10%SP)

Gibberellic acid 20% Tablet, 10% Tablet


StandardGibberellic acid 20% Tablet, 10% Tablet

Content  of  Gibberellins  Acid  A3   


Tablet  Weight  /(g/piece)


PH Value


Dissolving  time


Solubility and stablity

After 5 min /%


Pass 75μm test sieve

After 18 hour


Test in wet sieve( pass 75μm test sieve)


Bubble up after a minute/ mL


Powder and debris  



White or  almost White  Tablets

GA3 tablet.

Dose: 1 tablet for 20L water

Advantages: individual package, convenient to

use, also customized color-printed Gibberellic

acid tablet and adjusted GA3 purity for customer..

Package for Gibberellic acid tablet products:

5g/tablet, 1000tablet/carton  (20%TB)

10g/tablet, 500tablets/carton (10% TB)



Q: Are you a trading company or factory? 

A: Zhengzhou Delong Chemical CO., Ltd, is a professional manufacturer for plant growth regulator and other agrochemicals.


Q: How to garantee your products ?

A: With 7 years of gibberellic acid exporting experience and good customer feedback, we are a factory with professional R&D team and Qaulity Control Departments Each batch of our Gibberellic acid goods are strictly tested by Qaulity Control Departments, to ensure the quality.

Q: Is free sample available before place order?

A: Free sample is available, your side only need to pay the shipping freight or sending us the courier account number, then we will arrange the sample shipping within 3 days. Pls send your sample inquiry now,


Q: How long should it take can I get the goods after make payment ?

A: For 1-20kgs sample we send by door to door EMS/TNT/DHL/Fedex courier, usually within 10 days you can receive the product after payment.

For bulk quantity more than 1000 Kgs or more: Around 15 days we can prepare the goods and get loading.


If you have more questions, welcome to contact us via the below name card: