五级黄高潮片90分钟视频,精品国精品国产自在久国产应用,免费看成人AA片无码视频吃奶 ,亚洲国产成人久久精品大牛影视

Product Introduction

Product name 4-Nitrophthalic acid(4-NPA)
Classification Nitrates and their derivatives
Molecular formula C8H5NO6
Molecular weight 211.13
CAS No. 610-27-5
Structural formula 4-Nitrophthalic acid(4-NPA)
Appearance Almost or or light yellow powder
Content ≥99%
Use Organic synthesis and phthalocyanine dyes, fluorescent dye intermediates (fluorescein isothiocyanate, etc.)
Package 25kg/cardboard barrels(φ380×480mm) ,or packaging according to customer requirements


ONLINE INQUIRY

*
*
*
Home

Home

News

News

About us

About us

Product

Product

Contact us

Contact us