1. Yana da ban haushi ga sashin numfashi na sama. Yana da tasiri mai karfi, mai ban haushi da kuma hankali akan fata. Zai iya haifar da lalacewa a idanu. Yana da walƙiya, mai fashewa, yana da ban haushi, kuma yana da hankali.
2. Rashin kwanciyar hankali
3. Rashin daidaituwa: karfi masu ragewa, acid, alkalis, alcohols
4. Yanayi don guje wa lamba Heat, haske, gogayya, girgiza
5. Polymerization haɗari, babu polymerization
6. Bazuwar kayayyakin carbon dioxide, benzoic acid, benzene, phenyl benzoate
