3,4,5-Trimethoxycinnamic acid
- CAS NO.：90-50-6
- Empirical Formula: C12H14O5
- Molecular Weight: 238.24
- MDL number: MFCD00004388
- EINECS: 201-999-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:21:10
What is 3,4,5-Trimethoxycinnamic acid?
Chemical properties
white to cream fine crystalline powder
The Uses of 3,4,5-Trimethoxycinnamic acid
3-(3,4,5-Trimethoxyphenyl)acrylic acid demonstrates antioxidant activity as it was detected to inhibit lipid peroxidation in rat brain homogenates.
Definition
ChEBI: A methoxycinnamic acid with three methoxy substituents at the 3-, 4- and 5-positions.
Properties of 3,4,5-Trimethoxycinnamic acid
| Melting point: | 125-127 °C (lit.) |
| Boiling point: | 300.83°C (rough estimate) |
| Density | 1.1416 (rough estimate) |
| vapor pressure | 0-0Pa at 20-25℃ |
| refractive index | 1.4571 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. |
| form | Solid:crystalline |
| pka | 4.48±0.10(Predicted) |
| color | White |
| BRN | 1537834 |
| CAS DataBase Reference | 90-50-6(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Propenoic acid, 3-(3,4,5-trimethoxyphenyl)- (90-50-6) |
Safety information for 3,4,5-Trimethoxycinnamic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 3,4,5-Trimethoxycinnamic acid
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