Product parameters of refined naphthalene in camphor pills

分子式：C10H8

Molecular formula: C10H8

二、別名：駢苯，煤焦油腦，萘丸

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

三、性狀：無色有光澤的單斜晶體?？扇肌馕?，在常溫亦頗具揮發(fā)性，能升華。熔點80.29℃，沸點218℃，相對密度1.145（20/4℃），0.9625（100/4℃），燃點86℃，自燃點526.11℃，折射率1.5898，閃點（開杯）78.89℃。1g該品可溶于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。亦能和水蒸氣同揮發(fā)，屬于第4類危化品.

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、包裝：50KG/復合編織袋裝

4、 Package: 50kg/ composite woven bag

五、生產(chǎn)方法：1.由煤焦油分離，高溫煤焦油中萘約占8%-12%，將煤焦油蒸餾，切取煤油，經(jīng)脫酚，脫喹啉，蒸餾得成品萘。2.由石油烴制得：催化重質(zhì)重整油，催化裂化輕循環(huán)油，裂解制乙烯的副產(chǎn)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.

產(chǎn)地：上海寶鋼

Origin: Shanghai Baosteel

六、貯運注意事項：儲存于陰涼、通風的庫房。遠離火種、熱源。庫溫不超過32℃，相對濕度不超過80％。包裝密封。應與氧化劑分開存放，切忌混儲。運輸途中應防曝曬、雨淋，防高溫。中途停留時應遠離火種、熱源。車輛運輸完畢應進行完全清掃。

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：萘是工業(yè)上重要的稠環(huán)烴，主要用于生產(chǎn)苯酐；各種萘酚；萘胺等，是生產(chǎn)合成樹脂；增塑劑；染料的中間體；表面活性劑；合成纖維；涂料；農(nóng)藥；醫(yī)藥；香料；橡膠助劑和殺蟲劑的原料。。

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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