Hot Selling Food Grade Sodium Metabisulfite for Preservative CAS 7681-57-4

• CAS No.: 7681-57-4
• Formula: 2na.O5s2
• EINECS: 231-673-0
• Appearance: Powder
• MW: 190.11
• Sample: Support
• Model NO.: a gm 7681-57-4
• Storage: Yes
• Transport Package: Bag
• Specification: 25kg
• Trademark: Future Chemical
• Origin: China
• Production Capacity: 500ton

Product Description

Product Description

Food grade Sodium metabisulfite for preservative CAS 7681-57-4

           

Sodium metabisulfite Basic information
Product Name:	Sodium metabisulfite
CAS:	7681-57-4
MF:	2Na.O5S2
MW:	190.11
EINECS:	231-673-0
Mol File:	7681-57-4.mol
Sodium metabisulfite Chemical Properties
Melting point	>300 °C (lit.)
density	1.48
storage temp.	Store at +5°C to +30°C.
solubility	540 g/L (20°C)
form	Powder/Solid
color	White to slightly yellow
Specific Gravity	1.48
Odor	Sulphorous

 

ITEM	TEST RESULT
Sodium Metabisulphite (Na2S2O5) %	97.21
SO2 % ≥	65
Fe % ≤	0.002
Clarity	clear
AS%	<0.00009
Appearance	White to slightly yellowish crystialline powder

 

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