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2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether (CAS Number: 51-03-6; EC Number 200-076-7) is an yellow organic slightly oily liquid at normal temperature and pressure.

Melting/freezing poin: less than -25ºC

Boiling point: Not determinable; decomposes at temperatures above approximately 222ºC without boiling.

Relative density at 20ºC: 1.06

Vapour pressure: 3 x 10-4 Pa at 25 °C

Surface tension:52.0 mN/m (90% saturated solution)

Water solubility (at 20ºC): 23.9 mg/L (pH 6.7)

Log Kow (at 25ºC): 5.0

Flash point: 175ºC

Explosiveness and oxidising properties: not explosive and not oxidizing

Self-ignition temperature: 354ºC

Stability in organic solvents: not critical

Dissociation constant: does not dissociate in water

Viscosity: 40 cP at 25ºC