Sodium Metabisulfite SMB for Preservative

• CAS No.: 7681-57-4
• Formula: Sodium Metabisulfite
• Certification: CIQ, ISO
• Model NO.: FOOD GRADE
• Purity: >98%
• Type: Sulfate
• Grade Standard: Food Grade
• Usage: Nutrient
• Transport Package: 25 Kgs Kraft Paper Bag
• Specification: Assay >99.5%
• Trademark: K&S
• Origin: Lianyungang
• HS Code: 2833291000
• Production Capacity: 100000 Mts Per Year

Product Description

 LIANYUNGANG KANDS CHEMICAL CO., LTD.
(K & S INDUSTRY LIMITED)
NO 4, Chaoyang East Rd, Xinpu District, Lianyungang, Jiangsu, China.
 
 SPECIFICATION
1.Chemical Name: Sodium Metabisulfite
2.Molecular Formula:Na₂S₂O₅
3.Molecular Weight: Heptahydrate :190.107
4.CAS:7681-57-4
5.Character: White or slightly yellow powder, have odor, soluble in water and when dissolved in water it forms sodium bisulfite.
6.Usage: it is used as disinfectant, antioxidant and preservative agent, also used as bleaching agent in the production of coconut cream and sugar, it is used for preserving fruit during shipping, it also can be used in the water treatment industry to quench residual chlorine.
7.Packing: In 25kg composite plastic woven/ paper bag with PE liner.
8.Storage and Transport: It should be stored in a dry and ventilated warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
9. Quality Standard(GB1893-2008)

PARAMETERS	GB1893-2008	K & S standard
Assay (Na2S2O5),          %	≥96.5	≥97.5
Fe,                      %	≤0.003	≤0.0015
Clarity	PASS TEST	PASS TEST
Heavy metal (as Pb),      %	≤0.0005	≤0.0002
Arsenic (As),             %	≤0.0001	≤0.0001