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Propionitrile
Propionitrile
- CAS:
- 107-12-0
- MF:
- C3H5N
- MW:
- 55.08
Properties
- Melting point:
- -93 °C (lit.)
- Boiling point:
- 97 °C (lit.)
- Density
- 0.772 g/mL at 25 °C (lit.)
- vapor pressure
- 53.33-63.195hPa at 22.05-25℃
- refractive index
- n
20/D 1.366(lit.)
- Flash point:
- 43 °F
- storage temp.
- Flammables area
- solubility
- soluble in water at 40°C is 11.9 g/100 g H20; miscible with alcohol, ether, dimethylformamide
- form
- Oil
- color
- Clear Colourless
- Water Solubility
- decomposes. 5-10 g/100 mL at 23 ºC
- FreezingPoint
- -93℃
- Merck
- 14,7827
- BRN
- 773680
- Exposure limits
- TLV-TWA 14 mg/m3 (6 ppm) (NIOSH).
- Dielectric constant
- 27.7（20℃）
- Stability:
- Stable. Flammable. Note low flash point. Incompatible with strong oxidising agents, strong bases, strong acids, strong reducing agents.
- LogP
- -0.1-0.16
- Dissociation constant
- 33.54
Safety Information
- Symbol(GHS)
GHS02,GHS06
- Hazard statements
- H225-H300-H310-H319-H331
- Precautionary statements
- P210-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a
- Hazard Codes
- F,T+,T
- Risk Statements
- 11-20-25-27-36-23/24/25
- Safety Statements
- 9-16-28-36/37-45-27
- RIDADR
- UN 2404 3/PG 2
- OEB
- A
- OEL
- TWA: 6 ppm (14 mg/m3)
- WGK Germany
- 1
- RTECS
- UF9625000
- TSCA
- Yes
- HazardClass
- 3
- PackingGroup
- II
- HS Code
- 29269095
- Toxicity
- LD50 orally in rats: 39 mg/kg (Smyth)
Use
Propionitrile is an intermediate for organic syntheses, e.g. Houben-Hoesch reaction, as well as for pharmaceuticals, e.g. ketoprofen and fragrances. It is formed as a by-product of the electrodimerization of acrylonitrile to adiponitrile.
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