Trans-2,5-Dimethoxycinnamic acid
2,5-Dimethoxycinnamic acid
CAS: 10538-51-9
Molecular Formula: C11H12O4
Trans-2,5-Dimethoxycinnamic acid - Names and Identifiers
| Name | 2,5-Dimethoxycinnamic acid |
| Synonyms | AKOS BBS-00007757 RARECHEM BK HC T324 TIMTEC-BB SBB000471 OTAVA-BB BB0109770774 2,5-Dimethoxycinnamic acid 2,5-DIMETHOXYCINNAMIC ACID Trans-2,5-Dimethoxycinnamic acid TRANS-2,5-DIMETHOXYCINNAMIC ACID 3-(2,5-dimethoxyphenyl)-2-propenoic acid 3-(2,5-dimethoxyphenyl)prop-2-enoic acid 3-(2,5-DIMETHOXYPHENYL)-2-PROPENOIC ACID (2E)-3-(2,5-dimethoxyphenyl)prop-2-enoate (2E)-3-(2,5-dimethoxyphenyl)prop-2-enoic acid |
| CAS | 10538-51-9 |
| EINECS | 234-114-9 |
| InChI | InChI=1/C11H12O4/c1-14-9-4-5-10(15-2)8(7-9)3-6-11(12)13/h3-7H,1-2H3,(H,12,13)/p-1/b6-3+ |
Trans-2,5-Dimethoxycinnamic acid - Physico-chemical Properties
| Molecular Formula | C11H12O4 |
| Molar Mass | 208.21 |
| Density | 1.0627 (rough estimate) |
| Melting Point | 147-150°C |
| Boling Point | 267.4°C (rough estimate) |
| Flash Point | 147.3°C |
| Vapor Presure | 2.84E-06mmHg at 25°C |
| Appearance | Yellow powder or crystal |
| Color | Light orange to Yellow to Green |
| pKa | 4.40±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.4389 (estimate) |
| MDL | MFCD00004378 |
| Use | Used as a pharmaceutical Intermediate |
Trans-2,5-Dimethoxycinnamic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S37 - Wear suitable gloves. |
| WGK Germany | 3 |
| HS Code | 29189900 |
| Hazard Class | IRRITANT |
Trans-2,5-Dimethoxycinnamic acid - Reference Information
| application | 5-dimethoxycinnamic acid is a commonly used drug intermediate, which can be used to synthesize vasodilator cinepazide (cinepazide), etc. |
| preparation | 2,5-dimethoxybenzaldehyde, malonic acid and pyridine are added to 100ml of three necks, piperidine is added at 90 ℃, reflux for 2h and then cooled to room temperature, 3mol/L hydrochloric acid is added to produce a large amount of white precipitate, suction filtration, filter cake is washed with water, ethanol is rebound, and light yellow needle-like crystal 2,5-dimethoxycinnamic acid is obtained after drying. |
| use | as a pharmaceutical intermediate |
Last Update：2024-04-09 02:00:05
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