Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Overview of physico-chemical properties






Physical state at 20°C and 101.3 kPa

Colourless gas with sweet, ethereal odor


Melting / freezing point



Boiling point:

– 13.3 deg C


Relative density:


relative density at 20 deg C

Vapour pressure:

2720 mm Hg

at 25 °C

Surface tension:



Water solubility:

4120 -5631 mg/L

at 25 °C

Partition coefficient n-octanol/water (log value):


log Kow/ log Pow

Flash point:

-78 deg C

Open cup


Extremely Flammable


Explosive properties:

Not Explosive

Contains no groups associated with explosive properties

Self-ignition temperature:

472 deg C


Oxidising properties:

Not oxidizing



Not applicable


Henry’s law constant (HLC):

0.04 Pa-m3/mole

at 25 deg C, estimated