الوصف

:::: Hydroquinone :::: Commodity：Hydroquinone 　　　　 （Photographic grade） ï¼­olecular formula：1, *-C6H4(OH)2 Structural：HO- -OH Molecular weight：**0.*2(According to fhe international atomic weight of ***7) Specification： Appearance：White acicular crystal or crystalline powder Content：≥*9%***1% Melting Point：**1℃***5℃ Residue after ignition：≤0.*5% Fe：≤0.**2% Pb:≤0.**2% Usage： 　　 Generally for photograph, dye, pesticide rebber, Chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, ansayse chemical reagent and so on. Package, Storage and Transportation： (1)*5kg(net weight)kraft paper bag lined with two plastic bags. (2)Keep in cool, dry and ventilating place. (3)Go through transporting formalities under organ snd poison xxxxx railway dangerous goods code is ****1.