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Methylnaphthalene CAS 1321-94-4

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Methylanthracene is a homologous compound of naphthalene in which one hydrogen atom on the naphthalene ring is replaced by a methyl group. It is one of the products obtained from the processing of high-temperature coal tar. It has two isomers, namely 1-methylanthracene (also known as α-methylanthracene) and 2-methylanthracene (also known as β-methylanthracene). It is mainly obtained through distillation separation from coal tar and certain by-products in the petroleum processing process. It can be used as raw materials for industries such as chemical engineering, medicine, and dyes. Among them, 1-methylanthracene has good solubility for organic substances and can be used as a carrier for dyeing and as a solvent for pesticides and anti-rat poison, etc. The mixture of 80% 1-methylanthracene and 20% 2-methylanthracene is a low eutectic substance with a freezing point of -48℃, which can be used as a heat carrier and solvent. 1-methylanthracene can also be used as a standard fuel for measuring the cetane number of diesel and a reagent for determining the theoretical plate number of distillation towers. 2-methylanthracene can be used as an impregnating agent, a lubricant flow point reducer, and a solvent, and can also be used to produce feed additives, etc.
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Methylnaphthalene Basic information
Application
Product Name:	Methylnaphthalene
CAS:	1321-94-4
MF:	C11H10
MW:	142.1971
EINECS:	215-329-7
Mol File:	1321-94-4.mol
Methylnaphthalene Chemical Properties
Melting point	34°C
Boiling point	229.78°C (estimate)
density	1.0381 (estimate)
refractive index	1.6085 (estimate)
EPA Substance Registry System	Methylnaphthalene (1321-94-4)

检验依据 Test Criterion	企业标准	送检员 Sampling		董雪 Dong Xue
检验项目 Testing Items
项目名称	first class		检验结果 Testing Result
Density 20℃	0.970-0.990		0.9741
Distillation range	215-280		221-236
Flash point	95min		101
Methyl naphthalene content	50min		53.26
Naphthalene content	1max		0.9
Exterior	yellowish		yellowish
检验结论(Conclusion)：该产品按照中国检验，判该样品合格。in accordance with the Chinese , and the sample was judged to be qualified （检验报告专用章） (Special seal of inspection report)