1,4- naphthalene
1,4-naphthoquinone; alpha -anphthoquinone
Molecular formula: C10H6O2
Molecular weight: 158.16
CAS number: 130-15-4
Alpha - naphthalene. Yellow crystal. The special smell of benzoquinone. The flash point of 141 DEG C. Water soluble insoluble. Density 1.422. Melting point 126~128. At the temperature above 100 DEG C is sublimation, slightly soluble in water, gasoline, heating soluble in ethanol, soluble in ether, chloroform, benzene, acetic acid and carbon disulfide. Break down and explode when heated. Can be volatile with steam. Polymeric modifiers for use in the production of dyes, pharmaceuticals, and fungicides, and also for the synthesis of rubber and resin. The 1- amino naphthol -4- prepared by oxidation.
The analysis of the Technology Co., Ltd. Tengzhou City Xiangying XiangyingGC7990plus gas chromatography, hydrogen flame ionization detector (FID) detector, the capillary column for quantitative analysis. Results: 1,4-naphthoquinone and internal standard ratio has a good linearity in the range between 0.201-1.981; linear regression equation for y=0.8901X+0.0655, the correlation coefficient R2 = 0.993; and the average recovery rate is 99.4%, variation coefficient is 0.45%.
1,4-萘醌
1,4-naphthoquinone；α-anphthoquinone
分子式：C10H6O2
分子量：158.16
CAS号：130-15-4
又称α-萘醌。黄色晶体。有苯醌的特殊气味。闪点141°C。水溶性insoluble。密度1.422。熔点126~128℃。温度超过100℃时即升华，微溶于水和汽油，加热时易溶于乙醇，溶于乙醚、氯仿、苯、冰醋酸和二硫化碳。强烈加热时分解而爆炸。能与蒸汽一同挥发。用于制染料、药物、杀菌剂，也用作合成橡胶和树脂的聚合调节剂。由1-氨基-4-萘酚经氧化而制得。
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