Specification :

MF: Na2S2O4
CAS No. : 7772-98-7
EINECS No.: 231-890-0
HS: 2831.1010
Purity : 85% -88%
Appearance: White crystals
Application:
Widely used in printing and dyeing industry, can be used as a reducing agent for vat dyes, disperse dyes can be used to restore the clean, reactive dyes can be used for stripping color, silk, hair bleach, food bleaching agent, the depositary agent, antioxidant agents, preservation agents, bleaching of paper, industrial bleaching agent, processing, reducing agent, sulfonating agent.