Abscisic acid S-ABA

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Plant Hormone Abscisic Acid S-ABA

Plant hormone

Abscisic acid S-ABA

10% SP/ 75% / 90% TC

 

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Plant Hormone Abscisic Acid S-ABA

Abscisic acid S-ABA is defined as a plant hormone that mainly acts to inhibit growth, promotes dormancy, and to help the plant tolerate stressful conditions.

Product Name

Abscisic acid S-ABA

CAS NO.

21293-29-8 

EINECS NO.

244-319-5

Physical and

Chemical  Properties

Molecular formula: C15H20O4

Molecular weight: 364.32

Melting point: 160-162 deg C

Boiling point: 458.7 deg C

Appearance: Colorless crystals

Density: 1.193 g/mL

Solubility: In water 3-5g/L(20℃); Soluble in ethanol.

Stability: Stable under room temperature for 2 years; degradable under sunlight.

Chemical structural formula

Toxicology

LD50: mammal, ip; >1500 mg/kg

Products:

Plant hormone Abscisic acid S-ABA 10% SP, 75%, 90% TC

Physiological actions of Plant hormone Abscisic Acid S-ABA

  • Stimulates the closure of stomata (water stress brings about an increase in S-ABA synthesis).
  • Inhibits shoot growth but will not have as much affect on roots or may even promote growth of roots.
  • Induces seeds to synthesize storage proteins.
  • Inhibits the affect of gibberellin.
  • Has effect on induction and maintenance of dormancy.
  • Induces gene transcription especially for proteinase inhibitors in response to wounding which may explain an apparent role in pathogen defense.

 

 

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