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

白色易挥发晶体，有温和芳香气味，粗萘有煤焦油臭味;蒸汽压 0.13kPa/52.6℃ 闪点:80℃;熔点 80.1℃ 沸点217.9℃;不溶于水，溶于无水乙醇、醚、苯,相对密度(水=1)1.16;相对密度(空气=1)4.42;稳定性:稳定;危险标记:8(易燃固体);主要用途:用于制造染料中间体、樟脑丸、皮革、木材保护剂。

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，高浓度致溶血性贫血及肝、肾损害。

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

急性中毒:吸入高浓度萘蒸气或粉尘时，出现眼及呼吸道刺激、角膜混浊、头痛、恶心、呕吐、食欲减退、腰痛、尿频、尿中出现蛋白及红白细胞。亦可发生视神经炎和视网膜炎。重者可发生中毒性脑病和肝损害。口服中毒主要引起溶血和肝、肾损害，甚至发生急性肾功能衰竭和肝坏死。

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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