cn dn en Tel : 86-453-6228414
Fengda Chemicals Corp.
Leader of China Chemical Enterprise
img1
Hot： oxalic acid
banner
Home > Product display > Sodium Metabisulfite
Hot search： oxalic acid
Sodium Metabisulfite
Molecular formula：Na2S2O5
Molecular weight：190.12
CAS No.：7681-57-4
Property：White or light-yellow crystalline powder, smell of SO2. No other smell when dried. Specific gravity is 1.4. It's soluble in glycerine, it's soluble slightly in alcohol.
Usage：

Food Grade: Mainly used as bleaching agent, bulking agent, antioxidant preservatives in food processing.

Tech Grade: Mainly used for producing medicine iodoform, vanillin photographic fixative, rubber solidifying agent, decolorizing agent of bleached fiber, leather treatment of leather making industry, etc.

Packing：Net in 25KG plastic woven bag.
Specification：


Item

Food Grade

Tech Grade

Sodium Metabisulfite (as SO2)

65% Min

65% Min

Iron(Fe)

0.003% Max

0.005% Max

Insoluble matter in water

0.05% Max

0.05% Max

PH

4.0-4.6

4.0-4.6

Heavy metal(as Pb)

0.002% Max

-

Arsenic(As)

0.0002% Max

-



FENGDA Your trustworthy chemical brand
Tel： 86-453-6228414 / 6281887
Fax： 86-453-6223551
E-mail： fengda@mudanjiangchem.com info@fengdachem.com biz@fdchemicals.com
top
Copyright 2017 Mudanjiang Fengda Chemical Co., Ltd. Powered by：HanSun