What is Gibberellic Acid CAS 77-06-5?

Gibberellic acid, also called gibberellin A3 or GA3, is a naturally occurring plant hormone with the formula C19H22O6. It is supplied as a white to pale yellow crystalline powder and used as a plant-growth regulator.

What are the main agricultural uses of GA3?

GA3 is used to break seed dormancy, promote germination, stimulate stem elongation, improve flowering, fruit set and berry sizing, and improve crop uniformity. It is used on crops such as grapes, citrus, rice, vegetables, cotton and flowers.

Why is Gibberellic Acid used in grape production?

In table grapes, GA3 can improve cluster elongation, berry size and fruit set, and support production of seedless or more uniform fruit. Response depends on variety, dose, timing and growing conditions, so local recommendations should be followed.

How is Gibberellic Acid applied and how soluble is it?

GA3 is generally dissolved in a suitable organic solvent or formulated as a water-soluble powder/tablet before dilution into an aqueous spray. The free acid has low water solubility, commonly about 5 g/L at room temperature, so use a formulation or preparation method suited to the target crop and equipment.

What is the chemical stability of GA3?

Dry GA3 is relatively stable, and acidic solutions are more stable than alkaline ones. It degrades under alkaline conditions, and prepared aqueous solutions should normally be used promptly and kept away from prolonged heat or incompatible alkaline materials.

Which specifications should I check before ordering Gibberellic Acid?

Confirm GA3 content, appearance, loss on drying, pH, residue on ignition and any registration or related-impurity requirements. Technical-grade material is often quoted at 90% or higher, while formulation or analytical requirements may need a different purity.

Gibberellic Acid CAS 77-06-5

Gibberellic Acid (gibberellin A3, GA3), CAS 77-06-5, is a natural plant hormone supplied as 90% technical grade for seed germination, stem elongation, flowering, fruit set and berry sizing in grapes, rice, vegetables and flowers. Confirm the required formulation, then request a quotation with COA/TDS/SDS for bulk supply.

CAS: 77-06-5
Synonyms: Gibberellin A3, GA3
Einecs: 201-001-0
Molecular Formula: C₁₉H₂₂O₆
Grade: 90% Technical Grade
Package: 1kg Aluminum Foil Bag, 25kg Fiber Drum, or Customized Tablets (5g/10g)

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Product Description

Gibberellic Acid, CAS 77-06-5, also known as gibberellin A3 or GA3, is the naturally occurring plant hormone C₁₉H₂₂O₆; the EC/EINECS number is 201-001-0.

Synonyms: gibberellin A3; GA3.

CAS: 77-06-5.

Molecular formula: C₁₉H₂₂O₆.

Molecular weight: 346.37 g/mol.

EC number: 201-001-0.

It is a white to pale yellow crystalline powder, supplied as 90% technical grade.

It is a broad-spectrum plant growth regulator that promotes cell division and stem elongation.

The free acid has low water solubility (about 5 g/L); water-soluble powder or tablet formulations are used for aqueous sprays.

It is used to break seed and tuber dormancy, promote germination and improve crop uniformity.

It is used on grapes, citrus and pears to improve fruit set, berry size and seedless fruit production.

It is used in hybrid rice seed production to promote heading and flowering, and in malting to accelerate barley germination.

It is used on leafy vegetables and ornamental plants to promote stem elongation, flowering and biomass.

Confirm GA3 content, appearance, loss on drying, pH, residue on ignition and any registration or related-impurity requirements.

Store in a cool, dry place away from direct sunlight and high temperature, keeping the original packaging tightly sealed.

Dry GA3 is relatively stable, but alkaline conditions degrade it; prepared aqueous solutions should be used promptly.

Confirm packaging with the requested quantity and destination requirements.

The page is an RFQ entry point and does not state stock, price, MOQ or fixed lead time.

For an RFQ, state the intended use, required grade, quantity, packaging, destination and document needs.

FAQ - Technical & Supply Chain

Q:
What is Gibberellic Acid CAS 77-06-5?

A: Gibberellic acid, also called gibberellin A3 or GA3, is a naturally occurring plant hormone with the formula C19H22O6. It is supplied as a white to pale yellow crystalline powder and used as a plant-growth regulator.
Q:
What are the main agricultural uses of GA3?

A: GA3 is used to break seed dormancy, promote germination, stimulate stem elongation, improve flowering, fruit set and berry sizing, and improve crop uniformity. It is used on crops such as grapes, citrus, rice, vegetables, cotton and flowers.
Q:
Why is Gibberellic Acid used in grape production?

A: In table grapes, GA3 can improve cluster elongation, berry size and fruit set, and support production of seedless or more uniform fruit. Response depends on variety, dose, timing and growing conditions, so local recommendations should be followed.
Q:
How is Gibberellic Acid applied and how soluble is it?

A: GA3 is generally dissolved in a suitable organic solvent or formulated as a water-soluble powder/tablet before dilution into an aqueous spray. The free acid has low water solubility, commonly about 5 g/L at room temperature, so use a formulation or preparation method suited to the target crop and equipment.
Q:
What is the chemical stability of GA3?

A: Dry GA3 is relatively stable, and acidic solutions are more stable than alkaline ones. It degrades under alkaline conditions, and prepared aqueous solutions should normally be used promptly and kept away from prolonged heat or incompatible alkaline materials.
Q:
Which specifications should I check before ordering Gibberellic Acid?

A: Confirm GA3 content, appearance, loss on drying, pH, residue on ignition and any registration or related-impurity requirements. Technical-grade material is often quoted at 90% or higher, while formulation or analytical requirements may need a different purity.

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