Product parameters of refined naphthalene in camphor pills

分子式：C10H8

Molecular formula: C10H8

二、别名：骈苯，煤焦油脑，萘丸

2、 Alias: Benzol, coal tar oil brain, naphthalene pill

三、性状：无色有光泽的单斜晶体。可燃。气味，在常温亦颇具挥发性，能升华。熔点80.29℃，沸点218℃，相对密度1.145（20/4℃），0.9625（100/4℃），燃点86℃，自燃点526.11℃，折射率1.5898，闪点（开杯）78.89℃。1g该品可溶于13ml甲醇或乙醇，3.5ml苯或甲苯，2ml四氯化碳，1.2ml二硫化碳。不溶于水。亦能和水蒸气同挥发，属于第4类危化品.

3、 Properties: colorless and shiny monoclinic crystal. Flammable. The smell is also quite volatile at room temperature and can sublimate. Melting point 80.29 ℃, boiling point 218 ℃, relative density 1.145 (20/4 ℃), 0.9625 (100/4 ℃), ignition point 86 ℃, spontaneous combustion point 526.11 ℃, refractive index 1.5898, flash point (open cup) 78.89 ℃. 1g of this product is soluble in 13ml methanol or ethanol, 3.5ml benzene or toluene, 2ml carbon tetrachloride, 1.2ml carbon disulfide. Insoluble in water. It can also volatilize with water vapor and belongs to category 4 dangerous chemicals

四、包装：50KG/复合编织袋装

4、 Package: 50kg/ composite woven bag

五、生产方法：1.由煤焦油分离，高温煤焦油中萘约占8%-12%，将煤焦油蒸馏，切取煤油，经脱酚，脱喹啉，蒸馏得成品萘。2.由石油烃制得：催化重质重整油，催化裂化轻循环油，裂解制乙烯的副产焦油等。

5、 Production methods: 1. Separation from coal tar, naphthalene accounts for about 8%-12% of high-temperature coal tar. Distillation of coal tar, cutting kerosene, dephenolization, quinoline removal, distillation to obtain finished naphthalene. 2. Produced from petroleum hydrocarbons: catalytic heavy reforming oil, catalytic cracking light circulating oil, by-product tar of cracking to ethylene, etc.

产地：上海宝钢

Origin: Shanghai Baosteel

六、贮运注意事项：储存于阴凉、通风的库房。远离火种、热源。库温不超过32℃，相对湿度不超过80％。包装密封。应与氧化剂分开存放，切忌混储。运输途中应防曝晒、雨淋，防高温。中途停留时应远离火种、热源。车辆运输完毕应进行完全清扫。

6、 Precautions for storage and transportation: store in a cool and ventilated warehouse. Keep away from kindling and heat sources. The storage temperature shall not exceed 32 ℃, and the relative humidity shall not exceed 80%. Package sealing. It should be stored separately from oxidants and should not be mixed. During transportation, it shall be protected from sun exposure, rain and high temperature. Stay away from kindling and heat sources during stopover. The vehicle shall be completely cleaned after transportation.

七、用途：萘是工业上重要的稠环烃，主要用于生产苯酐；各种萘酚；萘胺等，是生产合成树脂；增塑剂；染料的中间体；表面活性剂；合成纤维；涂料；农药；医药；香料；橡胶助剂和杀虫剂的原料。。

7、 Usage: naphthalene is an important condensed cyclic hydrocarbon in industry, which is mainly used to produce phthalic anhydride; Various naphthol; Naphthylamine, etc., is the production of synthetic resin; Plasticizer; Intermediates of dyes; Surfactant; Synthetic fiber; Paint; pesticides; Medicine; Spices; Raw materials for rubber additives and pesticides..

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