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Physical & Chemical properties

Stability: thermal, sunlight, metals

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Description of key information

Formaldehyde is assumed to be thermal stable under usual temperature and pressure.

Additional information

1st reaction: exothermic

onset temperature: 220 °C

peak temperature: 245 °C

released heat content: 350 J/g

The reaction is self-accelerating.

2nd reaction: exothermic

onset temperature: 280 °C

peak temperature: 312 °C

released heat content: 180 J/g

The reaction was not tested for self-accelerating decomposition behavior.

Justification for classification or non-classification