Smbs Powder 7681-57-4 Sodium Metabisulfite

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Certification: RoHS, ISO, Kosher Halal
• Purity: 90%~99%
• Type: Sodium Sulfate
• N° de Modèle.: food grade
• Appearance: White Powder, Powder
• Grade Standard: Industrial Grade
• poids moléculaire: 190.09
• contenu: 97 % min
• emballage: sac en pp
• utilisation: impression, teinture, mordant, cuir
• stabilité: stable
• solubilité dans l′eau: facile
• odeur: odeur de dioxyde de soufre
• certificat: iso, halal, casher
• autre nom: pyrosulfite de sodium
• durée de conservation: 2 ans
• dangereux: non
• stockage: endroit frais et sec
• chargement de la quantité: 27mt
• marque: pays de la mer
• Paquet de Transport: sac en pp
• Spécifications: 25kg/Jumbo bag
• Marque Déposée: fondland
• Origine: China
• Code SH: 2832100000
• Capacité de Production: 50000mts/Year

Description de Produit

Product Description

Sodium metabisulfite (Na2S2O5), is an inorganic compound, is white or yellow crystal, with a strong pungent odor, soluble in water, aqueous solution is acidic, and strong acid contact is released sulfur dioxide and the corresponding salts generated for a long time in the air, then oxidation into sodium sulfate, sodium metabisulfite can not be long time to store.
Chemical formula :Na2S2O5
Molecular weight :190.09
CAS No. :7681-57-4
EINECS No. :231-673-0
Appearance: white crystalline powder, smell of sulfur dioxide
solubility: soluble in water, aqueous solution is acidic soluble in glycerin, slightly soluble in ethanol

 

Detailed Photos

Item	Quality Index
	Food Grade	Industry Grade
Purity ( As Na2S2O5)	98.0% min	97.0% min
Sulfur Dioxide( SO2)	65.0% min	65.0% 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 insoluble	0.02% max	0.05% max
PH value :	4.0-4.8	4.0-4.8
Remark :	Conformed with FCC V and E 223 Standard

Packaging & Shipping

25kg pp/paper bag with PE liner;

1000kg jumbo bag;

 customized as per request

usage

For the production of insurance powder, sulfamedimethymidine, caprolactam and so on; 
Used for purification of chloroform, phenylprosulfone and benzaldehyde as fixative ingredients in the photographic industry; 
Perfume industry for vanillin production; 
Used as a preservative in the brewing industry; 
Rubber coagulant and cotton cloth bleaching dechlorination agent;
 Organic intermediates;
 Used for printing and dyeing leather; 
As a reducing agent; 
Used for electroplating oil field wastewater treatment and as a mineral processing agent in mines; 
Used as preservative, bleach, and laxative in food processing

 

Company Profile

We Fondland Chemicals Co., Ltd (hereafter referred as FONDLAND) established in 2010, are the leading manufacturer and supplier of Chemicals.FONDLAND founded relying on Shandong Haihua Group with strongest supplying capability and competitive price. Our products were sold to most of the world, including Middle East, Africa, Southeast Asia, North America, South America , Europe etc.
Our mainly products:Sodium carbonate,Sodium bicarbonate,Ammonium bicarbonate,Aluminum sulfate,Calcium chloride,Magnesium chloride,Sodium metabisulfite,Sodium nitrite,  and so on.
With the aim of supplying best quality, prompt delivery, competitive price and professional service,
we are looking forward to cooperating with you for a bright future!

FAQ