4-Chloro-3-nitrocinnamic acid
- CAS NO.：20797-48-2
- Empirical Formula: C9H6ClNO4
- Molecular Weight: 227.6
- MDL number: MFCD00063311
- EINECS: 200-680-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:07
What is 4-Chloro-3-nitrocinnamic acid?
Chemical properties
yellow crystalline powder
The Uses of 4-Chloro-3-nitrocinnamic acid
trans-4-Chloro-3-nitrocinnamic acid may be used in chemical synthesis.
Properties of 4-Chloro-3-nitrocinnamic acid
| Melting point: | 188-190 °C(lit.) |
| Boiling point: | 408.6±35.0 °C(Predicted) |
| Density | 1.4751 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| pka | 4.03±0.10(Predicted) |
| form | powder to crystal |
| color | Light yellow to Brown |
| CAS DataBase Reference | 20797-48-2(CAS DataBase Reference) |
Safety information for 4-Chloro-3-nitrocinnamic 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 4-Chloro-3-nitrocinnamic acid
| InChIKey | QBDALTIMHOITIU-DUXPYHPUSA-N |
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