| Identification | More | [Name]
Cyclopropanecarboxylic acid chloride | [CAS]
4023-34-1 | [Synonyms]
CYCLOPROPANECARBONYL CHLORIDE
CYCLOPROPANECARBOXYLIC ACID CHLORIDE
CYCLOPROPYLCARBOXYL CHLORIDE
Cyclopropyl Carbonyl Chloride
Cyclopropanecarbonylchloride,98%
Cyclopropanecarbonyl
cyclopropane carbony chloride
CPCCI
Cyclopropylformyl chloride
Cyclopropylcarboxylic acid chloride | [EINECS(EC#)]
223-684-4 | [Molecular Formula]
C4H5ClO | [MDL Number]
MFCD00001277 | [Molecular Weight]
104.53 | [MOL File]
4023-34-1.mol |
| Chemical Properties | Back Directory | [Appearance]
clear colorless to slightly yellow liquid | [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 ]
n20/D 1.452(lit.)
| [Fp ]
74 °F
| [storage temp. ]
0-6°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 | [InChI]
1S/C4H5ClO/c5-4(6)3-1-2-3/h3H,1-2H2 | [InChIKey]
ZOOSILUVXHVRJE-UHFFFAOYSA-N | [SMILES]
ClC(=O)C1CC1 | [CAS DataBase Reference]
4023-34-1(CAS DataBase Reference) | [NIST Chemistry Reference]
Cyclopropanecarboxylic acid chloride(4023-34-1) | [EPA Substance Registry System]
4023-34-1(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
  
GHS02,GHS05,GHS06 | [Signal word ]
Danger | [Hazard statements ]
H226-H301-H314 | [Precautionary statements ]
P210-P233-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 | [Hazard Codes ]
C,F | [Risk Statements ]
R10:Flammable.
R34:Causes burns.
R29:Contact with water liberates toxic gas.
R25:Toxic if swallowed.
R36:Irritating to the eyes.
R38:Irritating to the skin. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S8:Keep container dry .
S16:Keep away from sources of ignition-No smoking . | [RIDADR ]
UN 2920 8/PG 2
| [WGK Germany ]
3
| [F ]
10-21 | [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
8 | [PackingGroup ]
II | [HS Code ]
29162000 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Acute Tox. 3 Oral
Eye Dam. 1
Flam. Liq. 3
Skin Corr. 1B | [Toxicity]
LD50 orally in Rabbit: 200 mg/kg |
| Hazard Information | Back Directory | [Chemical Properties]
clear colorless to slightly yellow liquid | [Uses]
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. | [Hazard]
Cyclopropanecarbonyl chloride is acute oral toxicity, it causes skin corrosion/Irritation and serious eye damage/eye irritation.
| [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.] |
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