老师粗又长好猛好爽视频_欧美成人v视频免费看_摸逼逼视频_一级毛片播放

三塊石(鞍山)新材料有限公司
SAN KUAI SHI (ANSHAN)NEW MATERIAL CO., LTD.

Coal chemical series

Industrial Pyrene

Chinese name: pyrene
Structural Formula:

CAS RN.: 129-00-0
Molecular Formula: C16H10
Characters: Straw yellow monoclinic crystal.
Melting Point: 150 °C ; Boiling Point: 393 °C ; Relative Density: 1.271
Solubility: Insoluble in water, easily soluble in ether, carbon bisulfide, benzene and toluene.
Use:It can be used as dye, material to produce 1,4,5,8-naphthalenetetracarboxylic acid, and mateiral to synthesize resin and engineering plastic. 

Home    |    About us    |    Products    |    Contact us    |    中文版

Contact us

Add:Tangjiafang Town, Qianshan District, Anshan City, Liaoning Province, China   Tel: +86-0412-2461070 2461278

National Hotline

+86-412-2461070

mobile

Copyright(C)2024,San Kuai Shi (Anshan)New Material Co., Ltd. All Rights Reserved.
Supported by
?ChemNet?ChinaChemNet?Toocle?31fabu?Copyright Notice  遼ICP備06018270號

Home

Home

About us

About us

Prodcuts

Prodcuts

Contact us

Contact us