A Person In A Minor State Of Impurity May Not Touch The Qur'an
Question :
If a person is in a minor condition of impurity - such as someone who passes wind, urinates, or defecates - may he recite the Qur'an?
Answer:
Such a person may recite but not touch the Mushaf, for complete purification is not one of the requisites for reciting the Qur'an. On the other hand, a person who is Junub may neither touch nor recite the Qur'an unitl he performs Ghusl, yet he may still recite certain invocations from the Qur'an, such as "Bismillah-ir-Rahman-ir-Rahim," or when he is afflicted, "Indeed, we belong to Allah, and indeed, to Him are we returning."
Source:
Ibn 'Uthaimin
Fatawa Islamiyah, Vol. 7 Pages 49-50