Registration Dossier

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

Aqueous solution (as generated in-situ): Yellow, chlorine-like odour.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
liquid

Additional information

Literature data was found on pure chlorine dioxide, which is a gas at ambient temperature and pressure, with chlorine-like pungent odour, and green-yellow to orange-red colour, depending on concentration.

The substance as registered is always generated in situ as a gas dissolved in water, with concentration not exceeding 2%. An experimental study was conducted on a diluted aqueous solution (2 0/00); the test item is described as a yellow solution. The same appearance is anticipated for the substance as registered. Due to high volatility of the substance, the odour is expected to be perceptible, if not in closed systems.