Inhalation: Inhalation of high solvent vapor or mist concentrations can cause the following:
irritation of nose, throat, and lungs
headache
dizziness
anesthetic effects
drowsiness
unconsciousness
central nervous system (CNS) effects
possible death
Chronic Exposure: Prolonged or repeated overexposure to naphtha can cause the following: liver
damage, kidney damage
Prolonged or repeated overexposure to naphthalene can cause an increased risk of respiratory
cancer, particularly nose and lung cancer.
Naphthalene ACGIH Not classifiable as a
human carcinogen.
Naphthalene US CA CRT Carcinogenic.
Naphthalene IRIS Possible human
carcinogen.
Naphthalene IARC Possible carcinogen.
Naphthalene NTP CARC Anticipated carcinogen.