Product Description
Abscisic Acid (CAS# 2129-3-29-8) typically appears as a white or off-white powder. It dissolves in sodium bicarbonate solution, chloroform, acetone, ether, and ethyl acetate, while exhibiting slight solubility in water, benzene, and petroleum ether.
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Chemical Properties
| 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 |
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Product Application
Abscisic acid, a plant hormone, plays a key role in regulating various physiological processes throughout the plant's development. It aids in leaf shedding, inhibits growth, and promotes dormancy. Additionally, it triggers stomatal closure, influences seed embryo development, and boosts the plant’s ability to withstand harsh conditions like drought, low temperatures, and salinity. This versatile hormone finds extensive use in agriculture, ecological vegetation projects, and other related areas.
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