4-Nitrocinnamic acid
Synonym(s):3-(4-Nitrophenyl)-2-propenoic acid;4′-Nitrocinnamic acid;trans-3-(4-Nitrophenyl)propenoic acid
- CAS NO.：619-89-6
- Empirical Formula: C9H7NO4
- Molecular Weight: 193.16
- MDL number: MFCD00007381
- EINECS: 210-617-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:12:48
What is 4-Nitrocinnamic acid?
Chemical properties
Yellow needle-like crystals. Melting point 289°C. Insoluble in water.
Occurrence
The heartwood of Cassia garrettiana.
The Uses of 4-Nitrocinnamic acid
4-Nitrocinnamic Acid (cas# 619-89-6) is a compound useful in organic synthesis.
Preparation
Synthesis of 4-nitrocinnamic acid: 4-nitro-trans-cinnamonitrile, concentrated hydrochloric acid and water were heated and refluxed for 8h, and left standing overnight. The precipitate was filtered out, dissolved in hot 30% sodium hydroxide solution, the insoluble matter was filtered off, the filtrate was acidified with 50% sulfuric acid to precipitate precipitation, the crude product was filtered, and recrystallized with ethanol to obtain 4-nitrocinnamic acid.
Biological Activity
4-Nitrocinnamic acid is a photosensitive compound that has inhibitory effects on tyrosinase.
Properties of 4-Nitrocinnamic acid
| Melting point: | 200-202 °C(lit.) |
| Boiling point: | 329.36°C (rough estimate) |
| Density | 1.4058 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| storage temp. | Sealed in dry,Store in freezer, under -20°C |
| solubility | DMSO |
| form | Solid |
| pka | 4.07±0.10(Predicted) |
| color | Yellow |
| Water Solubility | insoluble |
| CAS DataBase Reference | 619-89-6(CAS DataBase Reference) |
| NIST Chemistry Reference | trans-4-Nitrocinnmic acid(619-89-6) |
| EPA Substance Registry System | 2-Propenoic acid, 3-(4-nitrophenyl)- (619-89-6) |
Safety information for 4-Nitrocinnamic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 4-Nitrocinnamic acid
| InChIKey | XMMRNCHTDONGRJ-ZZXKWVIFSA-N |
4-Nitrocinnamic acid manufacturer
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