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Sodium sulphite, 1 kg

From  Carl ROTH
≥98 %, anhydrous
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Empirical formula Na2SO3
Molar mass (M) 126,04 g/mol
Density (D) 2,63 g/cm³
Melting point (mp) 911 °C
WGK 1
CAS No. 7757-83-7
EG-Nr. 231-821-4

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€27.45/Pack Qty. 

excl. VAT. | 1 kg per Pack Qty.

Art. No. 8637.1

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Product details



Sodium sulphite ≥98 %, anhydrous

Technical Information
Particle size 65-70 % >180 µm
1-5 % 150-180 µm
20-25 % 105-150 µm
5-10 % <105 µm
Sodium sulphite
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Art. No. Pack Qty. Pack. Price Quantity
8637.1 1 kg plastic

€27.45

8637.2 10 kg plastic

€149.45

8637.3 5 kg plastic

€84.40

8637.4 25 kg plastic

€289.20

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Downloads / MSDS


General information

Reducing Agents

As with oxidation reactions, reduction reactions are also widely used in organic synthesis. An example of this reductive amination, which is shown above. You can find commonly used reducing agents here:


Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Assay Na2SO3≥98 %
pH value (50 g/l)9,0-10,6
Iron (Fe)≤0,001 %
Heavy metals (as Pb)≤0,001 %