4-(Dimethylamino)cinnamic acid
- CAS NO.：1552-96-1
- Empirical Formula: C11H13NO2
- Molecular Weight: 191.23
- MDL number: MFCD00004397
- EINECS: 216-299-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:43:40
What is 4-(Dimethylamino)cinnamic acid?
Chemical properties
Yellow to beige crystalline powder
Purification Methods
Recrystallise the acid from EtOH. The methyl ester has m 134-135o (from Me2CO), and the ethyl ester has m 77-78o (from aqueous EtOH). [Shoppee J Chem Soc 982 1938, Galat J Am Chem Soc 68 376 1946, Beilstein 14 H 522, 14 II 318, 14 III 1306, 14 IV 1716.]
Properties of 4-(Dimethylamino)cinnamic acid
| Melting point: | 227-228 °C (dec.)(lit.) |
| Boiling point: | 326.97°C (rough estimate) |
| Density | 1.1258 (rough estimate) |
| refractive index | 1.5220 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc. |
| form | Crystalline Powder |
| pka | -95.54±0.10(Predicted) |
| color | Yellow to beige |
| BRN | 1368533 |
| CAS DataBase Reference | 1552-96-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 3-(p-(Dimethylamino)phenyl)acrylic acid(1552-96-1) |
Safety information for 4-(Dimethylamino)cinnamic 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. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-(Dimethylamino)cinnamic acid
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