best price 85% Na2s2o4 papermaking sodium hydrosulphite
Chemical Formula: Na2O4S2

Appearance: White powder
Sodium dithionite, commonly known as sodium hydrosulfite, also known as sodium hyposulfate, is a strong reducing agent in two forms: dihydrate salt and anhydrous salt. Dihydrate is a slightly yellow flake like crystal with extremely unstable chemical properties, only present in alkaline solutions. When heated to a certain temperature, it is dehydrated and converted into anhydrous salts; Anhydrous salt is a white crystalline powder that exists stably when dried at room temperature.

Specification
Sodium Hydrosulfite Application

1) It is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.2) It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching agent in pulp and paper industry.3) As a bleaching agent is widely used to restore the kaolin bleaching; Fur whitening bleaching and restore; Bamboo products and straw products such as bleach.4) It is used as a reducing agent in chemical industry.
Sodium Hydrosulfite Delivery

Our Company
HaiNan
chuangyi
chemical
co.,
ltd.is
a
high-tech
company
established
in 2006.Our
team
engaged
in
the
development
and
manufacture
of
Sulphate(Copper
Sulphate,
Ammonium
Sulphate),
Sodium
Formate,
Formic
Acid,Acetic
Acid,Oxalic
Acid,Ethanol,Isopropyl
Alcohol,Ethyl
Acetate,Methyl
Acetate
etc
chemical
products
development
and
export,
which
are
used
in
agriculture,
feed
additive
and
production
of
organic
chemicals.We
had
passed
ISO9001
Certification
in
2008
and
had
established
a
complete
quality
control
system.We
have
independent
import
and
export
rights.