Abscisic Acid
CAS Number: 21293-29-8
Chemical Formula: C15H20O4
Synonyms:
(ABA)ABSCISIC ACID >98%
(S)-(+)-ABSCISIC ACID
Appearance: Off-white powder
HS Code: 29189900
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Product Details
Abscisic acid typically appears as a white to off-white crystalline powder. It dissolves readily in sodium bicarbonate solution, chloroform, acetone, diethyl ether, and ethyl acetate, while showing slight solubility 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
As a key plant hormone, abscisic acid (ABA) regulates numerous physiological processes throughout plant development. It promotes leaf abscission, suppresses excessive growth, induces dormancy, triggers stomatal closure, modulates embryo maturation, and boosts tolerance to abiotic stresses including drought, cold, and salinity. ABA is widely applied in agricultural production and ecological restoration projects.
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Inventory 2-3 working days New production 7-10 working days
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