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Environmental fate & pathways

Phototransformation in air

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Description of key information

Methanol is degraded in the atmosphere by photochemical, hydroxyl-radical dependent reactions.

Key value for chemical safety assessment

Half-life in air:
17 d

Additional information

Methanol is degraded in the atmosphere by photochemical, hydroxyl-radical dependent reactions. The estimated elimination half-life is calculated to be about 17.2 days with a rate constant of 0.93 x 10-2 cm3/molecule-sec.