High Purity 97% Sodium Metabisulfite E223 Na2s2o5 Food Tech Grade Sodium Metabisulphite

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Sulfate
• Model NO.: 7681-57-4
• Appearance: Powder
• Grade Standard: Food Grade
• Transport Package: PP Jumbo Bag
• Specification: 25/ 50/ 1000 kg/bag
• Trademark: Choice chem
• Origin: Cn
• HS Code: 2832100000

Product Description

Specification

Production line and output--

* CHOICE CHEM have 5 production lines

* Daily production: 100 tons/day

* Total products: 500 tons/day, 200000 tons/year

Chemical Analysis- Sodium metabisulphite Food Grade
Component	Standard	Result
Appearance	white or yellowwish crystalline powder	Confirm
Content	≥96.5%	97.50%
Fe	≤0.003	0.0015
Clarity	Clarify	confirm
Pb	≤0.0005	0.0002
As	≤0.0001	0.0001
SO2	>65%	66.8%
PH Value	4.0-4.6	4.3
Water soluble	20ºC,54g/100ml water	Confirm

Chemical Analysis- Sodium metabisulphite Industrial Grade
Component	Standard	Result
Appearance	white or yellowwish crystalline powder	Confirm
Content	≥96.5%	97.00%
Fe	≤0.005	0.0015
Water insoluble matter	≤0.05	confirm
Pb	≤0.0005	0.0002
As	≤0.0001	0.0001
SO2	>65%	66.8%
PH Value	4.0-4.6	4.4
Water soluble	20ºC,54g/100ml water	Confirm

Product Description

 

Chemical name	Sodium Metabisulfite
Molecular Formula	Na2S2O5
CAS	7681-57-4
Character	White or yellow crystalline powder or small crystalline, with a strong smell of sulfur dioxide, it is soluble in water.
Applications	In food industry, it is used as bleaching agents, preservatives, loosen agents, antioxidants, color protecting agents and preservatives.
	The Doctor industry is used for the production of chloroform, phenylpropane and benzaldehyde.
	The rubber industry is used as a coagulant.
	The printing and dyeing industry is used as a dechlorination agent for cotton bleaching and a cotton cooking agent.
	Tannery industry for leather treatment, can make leather soft, plump, tough, with waterproof, anti - folding, wear resistance and other properties.