Abscisic acid CAS:14375-45-2

  • Product Name:Abscisic acid
  • CAS:14375-45-2
  • Molecular formula:C15H20O4
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Abscisic acid CAS:14375-45-2

Abscisic acid CAS:14375-45-2 Basic information

Product Name: Abscisic acid
CAS: 14375-45-2
MF: C15H20O4
MW: 264.32
Product Categories: Sesqui-Terpenoids;Biochemistry;Plant Growth Regulators;Plant Growth Trgulators (Others);Terpenes;Terpenes (Others);Pesticide intermediates;Inhibitors
Mol File: 14375-45-2.mol

Abscisic acid CAS:14375-45-2 Chemical Properties

density: 1.193±0.06 g/cm3(Predicted)
Melting point: 186-188 °C(lit.)
Boiling point: 458.7±45.0 °C(Predicted)
storage temp.: −20°C
color: color filter, photoresists, recording media, light-emitting device, disk, display device, oil products, construction materials, leather, textile, chalk, explosives
pka: 4.87±0.33(Predicted)
BRN: 4142666
Fp: 120°C
solubility: methanol: 50 mg/mL, may be clear to slightly hazy
Merck: 14,11
Sensitive: Light Sensitive
optical activity: [α]20/D -64°, c = 1% in DMSO
Hydrolytic Sensitivity: 1: no significant reaction with aqueous systems
RTECS: XI0367360
Solubility Product Constant (Ksp): pKsp: 4.92
Major Application: color filter, photoresists, recording media, light-emitting device, disk, display device, oil products, construction materials, leather, textile, chalk, explosives
Decomposition: 190°C
Biological Applications: Treating hepatitis,periodontal disease,psoriasis
resistivity: 54 μΩ-cm, 20°C
Sublimation: 120 ºC
CAS DataBase Reference: 14375-45-2(CAS DataBase Reference)


Test items











臼色至微黄色结晶  无团块

Mortar color to yellowish crystalline powder, no clumps


微黄色结晶粉,无团块 Slightly yellow crystalline powder, no clumps










Ethanol insoluble matter







Loss on drying







Acidity (as H2ffi4)





Abscisic acid Usage And Synthesis
DescriptionAbscisic Acid (ABA) is a phytohormone, a naturally occurring compound in plant. ABA is regarded as an inhibitor of plant growth and therefore usually used as a growth retardant in plant tissue culture. To date, ABA has been primarily used to promote the maturation of somatic embryos and the synthesis of storage reserves in embryos during maturation. ABA also acts as a controlling factor of germination and dormancy in somatic embryos and is generally used to induce somatic embryos into a quiescent state during plant tissue culture and synthetic seed studies. ABA stimulates the stomatal closure, thereby reducing transpirational water loss. Thus, it could be used as an anti-transpiration during the acclimatization of tissue culture-raised plants.
References[1] Shintaro Munemasa, Felix Hauser, Jiyoung Park, Rainer Waadt, Benjamin Brandt, Julian I Schroeder (2015) Mechanisms of abscisic acid-mediated control of stomatal aperture, 28, 154-162
[2] Manoj K. Rai, N. S. Shekhawat, Harish, Amit K. Gupta, M. Phulwaria, Kheta Ram, U. Jaiswal (2011) The role of abscisic acid in plant tissue culture: a review of recent progress, 106, 179-190
[3] https://pages.wustl.edu/ipgsa/abscisic-acid
Chemical Propertieswhite to light yellow crystalline powder
Usesabscission-accelerant; kinetin neucleotide synthesis inhibitor
Agricultural UsesThe name abscisic acid (ABA), a weak organic acid, is derived from the ability of a substance to promote abscission. Abscission is the natural detachment of leaves, branches, flowers, etc. from plants. Abscisic acid is a naturally occurring plant growth inhibitor, and is one of five major plant hormones. It carries out a number of important functions in the growth and development of plants. It is a key factor controlling stomatal movements, leaf senescence and bud and seed dormancy. Abscisic acid (ABA) is present in leaves, fruits and seeds, and is distributed throughout the plant body. The synthesis of ABA takes place mainly in chloroplasts. The rate of synthesis of ABA increases when the plant is under stress. Chemically, abscisic acid is a member of the terpenoid family.
Metabolic pathwayPlant growth regulators: promotion of maturation of the somatic embryo of white spruce Somatic embryo suspension cultures of white spruce containing (?+)-abscisic acid (ABA) metabolize (+?)- ABA almost completely to yield quantitatively phaseic acid with slight further transformation into dihydrophaseic acid within 7 days. (-)-ABA remains essentially unchanged under the same culture conditions, and when the cells are supplied with racemic (±)-ABA, only the (+?) enantiomer is metabolized.

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