Propionyl chloride CAS Number: 79-03-8 Basic Information

79-03-8 Propionyl chloride

CAS Number: 79-03-8 Basic Information

Chinese name: Propionyl chloride
English name: Propionyl chloride
Alias: Propionylchloride (6CI,8CI);
Chloro ethyl ketone;
NSC 83547;
Propionic acid chloride;
Propionoyl chloride

Molecular formula: 3 H 5 ClO
Molecular weight: 92.52
CAS accession number :
EINECS accession number: 201-170-0
InChI: 1S/C3H5ClO/c1-2-3(4)5/h2H2,1H3
physical and chemical properties
Melting point: -94ºC
Boiling point: 77-79ºC
Water solubility: react
Refractive Index: 1.402-1.405
Flash point: 11ºC
density: 1.06
Property description: Colorless liquid with pungent odor. Freezing point -94°C, boiling point 80°C, melting point: -94-79°C, relative density 1.065 (20/4°C), refractive index 1.4032, flash point 12°C. Soluble in alcohol . Decomposes in water.
Security Information
Safety Instructions : S9: Keep the container in a well-ventilated place.
S16: Keep away from fire sources.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical attention.
S45: If you have an accident or feel unwell, seek help from your doctor immediately (preferably bring the product container label).
Hazard category code : R11: Very flammable.
R14: Reacts violently in contact with water.
R34: Can cause burns.
Dangerous Goods Shipping Number: UN1815
other information
Applications: Intermediates for the manufacture of pesticides, but also raw materials for organic synthesis.
Production method and others: Propionyl chloride can be prepared by reacting propionic acid with phosphorus trichloride , phosphorus pentachloride, thionyl chloride or phosgene. 1. Put propionic acid and phosphorus trichloride into the reaction pot, add several magnetic sheets, and react at 50°C for 6 hours under reflux. After standing for 1-2h, the lower layer of phosphorous acid was removed to obtain propionyl chloride. Under the condition of propionic acid:PCl3 of 1.32:1, the yield is 95. When the obtained crude product needs to be purified, the method of distillation can be used to collect the fractions around 80°C to obtain the finished product. Raw material consumption quota: propionic acid (99.5) 990kg/t; phosphorus trichloride (98) 690kg/t. 2. The benzoyl chloride method is derived from the action of propionic acid and benzoyl Quality standard: Analysis content Quality standard Analysis result Appearance colorless and transparent liquid Colorless and transparent liquid content≥99.099.32 Boiling range (78~81℃)≥9093.7

Post time: Jun-15-2022