Abscisic Acid CAS#21293-29-8
Abscisic Acid (CAS# 21293-29-8, note: original CAS number format adjusted for accuracy) is typically a white or off-white powder. It dissolves in sodium bicarbonate solution, chloroform, acetone, ether, and ethyl acetate, while being slightly soluble in water, benzene, and petroleum ether.
Parameters
Melting point | 188 °C |
alpha | D20 +411.1° (c = 1 in ethanol); D20 +426.5° (c = 1 in 0.005N methanolic H2SO4) |
Boiling point | 327.55°C (rough estimate) |
density | 1.0583 (rough estimate) |
refractive index | 410 ° (C=0.2, EtOH) |
storage temp. | 2-8°C |
solubility | Chloroform (Slightly), Ethanol (Sparingly), Methanol (Slightly) |
pka | 4.87±0.33(Predicted) |
form | Off-white powder |
color | White to Pale Yellow |
optical activity | [α]/D 415±10°, c = 0.1 in ethanol |
Merck | 14,11 |
BRN | 2698956 |
Stability: | Light Sensitive |
InChIKey | JLIDBLDQVAYHNE-WEYXYWBQSA-N |
LogP | 1.896 (est) |
CAS DataBase Reference | 21293-29-8(CAS DataBase Reference) |
EPA Substance Registry System | 2,4-Pentadienoic acid, 5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)- (21293-29-8) |
Safety Information
Safety Statements | 22-24/25 |
WGK Germany | 3 |
RTECS | RZ2475100 |
F | 8 |
HS Code | 29189900 |
Product Application of Abscisic Acid CAS#21293-29-8
As a plant hormone, abscisic acid takes part in the physiological regulation processes of plants across multiple developmental stages. It is capable of promoting leaf abscission, inhibiting plant growth, and boosting dormancy. It can also induce stomatal closure, regulate the development of seed embryos, and strengthen plants’ resistance to adverse environmental conditions like drought, low temperatures, and salinization. Additionally, it is widely applied in fields such as agricultural production and ecological vegetation construction.
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