TNN Pure white mordant Sodium metabisulfite Food Grade

Categories	Fine chemicals & Intermediates
Brand	TNN Chemical Raw Materials Manufacturer
Update Time	Jul 2,2025

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Detail Information

Product Parameter

Item	Standard
CONTENT (AS Na2S2O5)	97% MIN
IRON (Fe)	0.003%MAX
CLARITY	PASS
HEAVY METALS(As Pb)	0.0005%MAX
ARSENIC	0.0001%MAX
WATER INSOLUBLE	0.05%MAX
PH VALUE	4.0-4.6

Type: Sodium Sulphate

CAS No.:7681-57-4

MF: Na2S2O5

EINECS No.:231-673-0

Place of Origin: China (Mainland)

Grade Standard: Food Grade, Industrial Grade

Purity: 97%min

Application: Bleach, mordant

Brand Name: TNN

Na2S2O5: 97.35%

Packing & Delivery

Application

A. Sodium metabisulfite food grade apply in Bleacher(Sweet,pastry,water-soaked bamboo slices,etc.)loosening agent (bread,biscuit,etc.); corrosion resistance antiseptic(fruit juice,can,brewing, grain storage,etc.)antioxygen antistaling agent(acupuncture needle sprout,sea food, garden stuff,etc.)

B. Sodium metabisulfite tech grade, use as Printing and dyeing mordant; antichlor in after fabric bleaching

;chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry.

C. Sodium metabisulfite is also used in floating agent in Copper Mining.