Sodium Metabisulfite Food Preservative, 25kg Bag, Chinese Origin

• Customization: Available
• CAS No.: 7681-57-4
• Formula: Na2s2o5
• Certification: CCIC, ISO
• Purity: 90%~99%
• Type: Sodium Sulfate
• Appearance: Powder
• Grade Standard: Food Grade
• Transport Package: Bag
• Specification: 25KG/BAG
• Origin: China
• HS Code: 2832100000
• Production Capacity: 500000kgs/Year

Product Description

Discover the Ultimate in Premium Economical Food Preservatives with our Sodium Metabisulfite

Sodium Metabisulfite: A Versatile and Essential Compound This remarkable compound appears as a white or yellow crystalline powder, exuding a strong sulfur dioxide (SO2) odor. With a specific gravity of 1.4, it boasts impressive water solubility, resulting in an acidic aqueous solution. When interacting with strong acids, it releases SO2 to form corresponding salts. Exposure to air induces oxidation, thus needing careful storage. Comprising Na2S2O5, it requires short-term storage only. At temperatures above 150°C, it decomposes to release SO2.

Comprehensive Certificate Analysis:

INDEX OF SODIUM METABISULFITE	CONTENT
	FOOD GRADE	INDUSTRIAL GRADE
PURITY (AS NA2S2O5)	97%MIN	96%MIN
SO2	65.0%MIN	65%MIN
AS	0.0002% MAX	-
HEAVY METALS (AS Pb)	0.0005% MAX	-
SE	0.0005% MAX	-
IRON (Fe)	0.001% MAX	0.002% MAX
WATER TREATMENT	0.02% MAX	0.05% MAX
PH VALUE	4.0-4.8	4.0-4.8
PURITY (AS NA2S2O5)	97% MIN	96% MIN

(1) Food Grade Applications: Used as a bleaching agent in candies, cakes, and bamboo shoots. Acts as a leavening agent in breads and crackers. Serves as an effective antiseptic and germicide, ensuring the longevity and safety of fruit juices, tinned foods, brews, and cereals in storage. Further enhances freshness in day lilies, seafood, fruits, and vegetables.

Packing & Shipment Details:

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