SODIUM METABISULPHITE 7681-57-4, China SODIUM METABISULPHITE 7681-57-4 Manufacturers, China SODIUM METABISULPHITE 7681-57-4 Suppliers

SODIUM METABISULPHITE

Category :

Inorganic chemicals

EC NO : 231-673-0

Molecular Formula : Na₂S₂O₅

Main Specifications :

Synonyms : Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);

Molecular Structure:

Product description:

Molecular Formula:Na₂S₂O₅
Molecule Weight:126.04
Appearance: white or light yellow crystalline powder

Specifications
Food Grade:
Quality standard: GB1894-2005

Item	Value
sodium sulfite (Na₂SO₃), mass fraction/%	≥ 97.0
Fe, mass fraction/%	≤ 0.01
Free alkali(as Na₂SO₃), mass fraction/%	≤ 0.60
Heavy metals(as Pb), mass fraction/%	≤ 0.001
As (As), mass fraction/%	≤ 0.0002
Clarity	Passed

Specifications
Tech Grade:
Quality standard: HG/T 2967-2000

Item	Value
Item	Top-grade	First grade	Qualified product
sodium sulfite (Na₂SO₃),%	≥ 97.0	≥ 96.0	≥ 93.0
Fe,%	≤ 0.003	≤ 0.005	≤ 0.02
water-Insoluble ,% water-Insoluble ,%	≤ 0.02	≤ 0.03	≤ 0.05
Free alkali(as Na₂SO₃),%	≤ 0.10	≤ 0.40	≤ 0.80
Sulfate(as Na₂SO₄),%	≤ 2.5	—	—
Chloride(as NaCl),%	≤ 0.10	—	—

Uses:dechlorinating agent, bleaching agent, developer,
reductant, stabilizer, or used in papermaking, electronic and water treatment industry.
Packing:inpolythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.
Net weight:25,50,1000kilograms per bag or following your demand

Send your inquiry to SODIUM METABISULPHITE supplier

Company：	WEIFANG TAIHEXING CHEMICAL INDUSTRY CO.,LTD.
Contact：	Mr.Wang
Phone：	+86-536-8275326,+86-13853666685
Mobile phone：	13853666685
Fax：	+86-536-8277326
E-mail：	Contact Supplier
Website：	http://www.thxchem.com
Address：	Room 311,Shengrong Square Commercial Office,No.219, East Fushou Street, Weifang, Shandong,China
Zip Code：	261041