Refined naphthalene has low water solubility and is not easily absorbed, so its toxicity is not very strong. Inhaling concentrated naphthalene vapor or naphthalene powder can cause vomiting, discomfort, and headaches. Especially damaging the cornea, causing small blisters and punctate turbidity, can also cause skin inflammation, and sometimes pathological changes in the lungs. It can also damage the kidneys and cause hematuria, but it is not carcinogenic.

食入： 飲足量溫水,催吐.就醫. 第五部分：消防措施 回目錄 危險特性： 遇明火高熱易燃.燃燒時放出有毒的刺激性煙霧.與強氧化劑如鹽和等接觸,能發生強烈反應,引起燃燒或爆炸.粉體與空氣可形成爆炸性混合物, 當達到一定濃度時, 遇火星會

Ingestion: Drink plenty of warm water, induce vomiting, seek medical attention. Part 5: Fire protection measures. List of hazards. Characteristics: When exposed to open flames, high heat and flammability can cause toxic and irritating smoke during combustion. When in contact with strong oxidizing agents such as salt, it can react strongly and cause combustion or explosion. Powder and air can form an explosive mixture, and when reaching a certain concentration, it can cause sparks

合成樟腦丸卻含有國家第六類有對二以及萘化學樟腦，有刺鼻的味道，具有肝毒性和血液毒性。由于合成樟腦丸成本較低，目前市面上出售的樟腦丸80%以上均不同程度地含有萘或者對二。

Synthetic camphor pills, however, contain the sixth class of chemical camphor in the country, including para - and naphthalene camphor. They have a pungent taste and are toxic to the liver and blood. Due to the low cost of synthesizing camphor balls, more than 80% of the camphor balls currently sold on the market contain varying degrees of naphthalene or terpene.

毒理和相似，而且是更強的腐蝕劑。 對皮膚有強烈刺激作用。 易于經皮膚吸收。 對血液循環和腎臟有毒害作用。 此外，還能引起眼角膜損傷。

Toxicity is similar, and it is a stronger corrosive agent. Has a strong irritating effect on the skin. Easy to absorb through the skin. It has toxic effects on blood circulation and kidneys. In addition, it can also cause corneal damage.

萘及萘酚衍生物，具有一定毒性。 人們如果長期吸入含有萘蒸氣的空氣，可引起無力頭痛食欲減退惡心等反應。 對二，屬于有毒性的揮發性有機化合物。

Naphthalene and its derivatives have certain toxicity. If people inhale air containing naphthalene vapor for a long time, it can cause reactions such as weakness, headache, decreased appetite, nausea, etc. Yes, it belongs to toxic volatile organic compounds.