Cyclopropanecarbonyl Chloride
Synonym(s):Cyclopropanecarboxylic acid chloride
- CAS NO.：4023-34-1
- Empirical Formula: C4H5ClO
- Molecular Weight: 104.53
- MDL number: MFCD00001277
- EINECS: 223-684-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-09-26 16:29:58
What is Cyclopropanecarbonyl Chloride?
Chemical properties
clear colorless to slightly yellow liquid
The Uses of Cyclopropanecarbonyl Chloride
Cyclopropanecarbonyl chloride can be used as an alkylating reagent in the preparation of some chemical building blocks such as formylcyclopropane, cyclopropanecarboxylic acid hydrazide, bis(cyclopropylcarbonyl) peroxide, 1-cyclopropanecarboxamide, 2-cyclopropylcarbonylcyclohexane-1,3-diones and cyclopropyl analog of triazolopiperazine-amides.
Purification Methods
If the IR shows OH bands, then some hydrolysis to the free acid must have occurred. In this case heat with oxalyl chloride at 50o for 2hours or SOCl2 for 30minutes, then evaporate and distil three times using a Dufton column (p 10). Store it in an inert dry atmosphere, preferably in sealed tubes. Strong IRRITANT. If it is free from OH bands, then just distil it in vacuo and store as before. [Jeffrey & Vogel J Chem Soc 1804 1948, Beilstein 9 IV 4.]
Properties of Cyclopropanecarbonyl Chloride
| Melting point: | 77.5-78.5 °C(Solv: hexane (110-54-3)) |
| Boiling point: | 119 °C(lit.) |
| Density | 1.152 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 74 °F |
| storage temp. | 2-8°C |
| solubility | soluble in Chloroform |
| form | Liquid |
| color | Clear colorless to slightly yellow |
| Specific Gravity | 1.1520 |
| Water Solubility | decomposes |
| Sensitive | Moisture Sensitive |
| BRN | 471286 |
| Stability: | Moisture Sensitive |
| CAS DataBase Reference | 4023-34-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Cyclopropanecarboxylic acid chloride(4023-34-1) |
| EPA Substance Registry System | Cyclopropanecarbonyl chloride (4023-34-1) |
Safety information for Cyclopropanecarbonyl Chloride
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H301:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 Cyclopropanecarbonyl Chloride
| InChIKey | ZOOSILUVXHVRJE-UHFFFAOYSA-N |
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