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Naphthalene
Safety Moment
Naphthalene
Flammable
solid
Flash Point
79 °C
(174.2 °F)
Acute oral
toxicity
Respiratory
hazard
Suspected of causing
cancer.
LD50 Oral
(rat)
490.0 mg/kg
LC50 Inhalation
(rat)
> 340 mg/L
1h
Aquatic toxicity
Very toxic to
aquatic life
LC50
(trout)
0.9 - 9.8 mg/L
96 h
Safety Moment
Naphthalene
Exposure Routes: inhalation, skin absorption,
ingestion, eye contact
Symptoms: irritation, headache, confusion, nausea,
vomiting, abdominal pain, irritated bladder…
Best practices:
 Ensure adequate ventilation and avoid breathing vapors
 Handle with gloves to prevent contact with skin.
 Wash skin thoroughly after handling.
 Store away from heat/sparks in dry and well-ventilated place
 Avoid release to the environment
 Do not put down the drain
Naphthalene SDS, Sigma Aldrich.
http://www.sigmaaldrich.com/catalog/product/aldrich/185604?lang=en&region=US
Naphthalene, NIOSH Pocket Guide to Hazardous Chemicals, Center for Disease Control.
http://www.cdc.gov/niosh/npg/npgd0439.html