Cinnamoyl chloride
Synonym(s):trans-3-Phenylacryloyl chloride;Cinnamic acid chloride;Cinnamoyl chloride
- CAS NO.：102-92-1
- Empirical Formula: C9H7ClO
- Molecular Weight: 166.6
- MDL number: MFCD00000732
- EINECS: 203-065-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:32
What is Cinnamoyl chloride?
Chemical properties
white to yellowish crystalline solid
The Uses of Cinnamoyl chloride
Titrimetric determination of small amounts of water.
Synthesis Reference(s)
Organic Syntheses, Coll. Vol. 3, p. 714, 1955
Tetrahedron Letters, 14, p. 5121, 1973 DOI: 10.1016/S0040-4039(01)87403-7
Hazard
Skin irritant.
Purification Methods
Refractionate it in a vacuum until the distillate solidifies on cooling, and recrystallise it from pet ether. The trans-amide has m 145-150o (from H2O) [Beilstein 9 III 2711]. [Adams & Ulich J Am Chem Soc 42 605 1920, Bergmann et al. J Chem Soc 2524 1952, Beilstein 9 H 587, 9 I 233, 9 II 390, 9 III 2710, 9 IV 2020.]
Properties of Cinnamoyl chloride
| Melting point: | 35-37 °C (lit.) |
| Boiling point: | 256-258 °C (lit.) |
| Density | d445.3 1.1617 |
| refractive index | nD42.5 1.614 |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| solubility | dioxane: 0.1 g/mL, clear |
| form | Crystalline Solid |
| color | White to yellow |
| Water Solubility | DECOMPOSES |
| Merck | 13,2323 |
| BRN | 606265 |
| CAS DataBase Reference | 102-92-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Propenoyl chloride, 3-phenyl-(102-92-1) |
| EPA Substance Registry System | 2-Propenoyl chloride, 3-phenyl- (102-92-1) |
Safety information for Cinnamoyl chloride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 Cinnamoyl chloride
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