Naphthalene is also called naphthalene; benzobenzene; crude naphthalene; refined naphthalene; coal tar naphthalene; naphthalene cake; naphthalene

分子式 C10H8;分子量 128.16

The molecular formula is C10H8; the molecular weight is 128.16

白色易揮發晶體，有溫和芳香氣味，粗萘有煤焦油臭味;蒸汽壓 0.13kPa/52.6℃ 閃點:80℃;熔點 80.1℃ 沸點217.9℃;不溶于水，溶于無水乙醇、醚、苯,相對密度(水=1)1.16;相對密度(空氣=1)4.42;穩定性:穩定;危險標記:8(易燃固體);主要用途:用于制造染料中間體、樟腦丸、皮革、木材保護劑。

It is white volatile crystal with mild aromatic smell, crude naphthalene has coal tar odor; vapor pressure is 0.13kpa/52.6 ℃, flash point: 80 ℃; melting point: 80.1 ℃; boiling point: 217.9 ℃; insoluble in water, soluble in absolute ethanol, ether, benzene, relative density (water = 1) 1.16; relative density (air = 1) 4.42; stability: stable; danger mark: 8 (flammable solid); Main uses: used to manufacture dyestuff intermediate, camphor pill, leather, wood protectant.

健康危害:具有刺激作用，高濃度致溶血性貧血及肝、腎損害。

Health hazard: it has stimulative effect, high concentration can cause hemolytic anemia and liver and kidney damage.

急性中毒:吸入高濃度萘蒸氣或粉塵時，出現眼及呼吸道刺激、角膜混濁、頭痛、惡心、嘔吐、食欲減退、腰痛、尿頻、尿中出現蛋白及紅白細胞。亦可發生視神經炎和視網膜炎。重者可發生中毒性腦病和肝損害。口服中毒主要引起溶血和肝、腎損害，甚至發生急性腎功能衰竭和肝壞死。

Acute poisoning: inhalation of high concentration naphthalene vapor or dust, eye and respiratory tract irritation, corneal opacity, headache, nausea, vomiting, anorexia, low back pain, frequent urination, protein and red and white blood cells in urine. Optic neuritis and retinitis can also occur. Toxic encephalopathy and liver damage may occur in severe cases. Oral poisoning mainly causes hemolysis, liver and kidney damage, and even acute renal failure and liver necrosis.

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