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7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205

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7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205

Brand Name : Y&X

Model Number : Sodium Metabisulfite

Certification : ISO9001

Place of Origin : China

MOQ : 1

Price : US$ 2500-40000/piece

Payment Terms : T/T

Type : Sodium Metabisulfite

Grade : Industrial Grade

Production Purity : ≥90%

Appearance of production : White Powder

Classification : Sulphate

CAS No. : 7681-57-4

Other Names : Sodium pyrosulfite

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Manufacturers Industrial Grade Sodium Metabisulfite In China

Sodium Metabisulfite

Sodium Metabisulfite is white or yellow crystalline powder or small crystal, with strong odor of SO2, specific gravity of 1.4, soluble in water, the aqueous solution is acidic, contact with strong acid will release SO2 and generate corresponding salts, long time in the air, it will be oxidized to na2s2o6, so the product can not survive for a long time. When the temperature is higher than 150 ℃, SO2 will be decomposed.

Product Informations:

CAS No.

7681-57-4

EINECE

231-673-0

HS CODE

2832100000

MOLECULAR FORMULA

Na2S2O5


Specifications:

Industrail Grade

Items

Specifications

Typical Analysis

Na2S2O5

(%)

96.5 Min.

96.83

Fe

(%)

0.003 Max

0.0006

As

(ppm)

1.0 Max

0.8

Heavy Metal(as Pb)

(ppm)

5.0 Max

2.0




Technical Specification

Tests Specification
Appearance White free-flowing Crystal Powder
Purity (Na2S2O5) 97% min
Iron (Fe) 0.003% min
Heavy Metal (Pb) 5 ppm max
Arsenic (As) 1 ppm max
Water Insoluble 0.05% max
PH Value 4.0-4.6


Packing
25kgs/PP PE BAG

Storage and Transportation
kept in a light-proof,well-colsed,dry and cool place.

7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205

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