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

Gibberellic acid is a kind of natural plant growth regulator, promote crop growth, early mature, improve quality and increase production.
It can be used for rice, wheat and barley, cotton, fruit, vegetables and other crops, promote its growth, sprout, blossom and bear fruit.

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Product Details

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: 图片1.jpg

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




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)




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



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:

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