2,5-Dimethoxycinnamic acid
- CAS NO.：10538-51-9
- Empirical Formula: C11H12O4
- Molecular Weight: 208.21
- MDL number: MFCD00004378
- EINECS: 234-114-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-22 13:59:06
What is 2,5-Dimethoxycinnamic acid?
Chemical properties
yellow powder
The Uses of 2,5-Dimethoxycinnamic acid
2,5-Dimethoxycinnamic acid can be used as a pharmaceutical intermediate, and can be used in the synthesis of vasodilators such as cinnepazide.
Preparation
Synthesis of 2,5-dimethoxycinnamic acid: 2,5-dimethoxybenzaldehyde, malonic acid and pyridine were added to 100ml three necks, piperidine was added at 90°C, refluxed for 2h, cooled to room temperature, and added 3mol/L hydrochloric acid, resulting in a large amount of white precipitate, suction filtration, the filter cake is washed with water, reconstituted with ethanol, after drying, 2,5-dimethoxycinnamic acid was obtained as pale yellow needle crystals.
Definition
ChEBI: 2,5-Dimethoxycinnamic acid is a hydroxycinnamic acid.
General Description
2,5-Dimethoxycinnamic acid forms 1:1 molecular complex with 3,5-dinitrocinnamic acid.
Properties of 2,5-Dimethoxycinnamic acid
| Melting point: | 147-150°C |
| Boiling point: | 267.4°C (rough estimate) |
| Density | 1.0627 (rough estimate) |
| refractive index | 1.4389 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | 4.40±0.10(Predicted) |
| form | powder to crystal |
| color | Light orange to Yellow to Green |
| CAS DataBase Reference | 10538-51-9(CAS DataBase Reference) |
Safety information for 2,5-Dimethoxycinnamic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 2,5-Dimethoxycinnamic acid
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