Description
Sodium sulphite is an anhydrous inorganic salt offered at min. 98 % purity for laboratory and process chemistry. It is registered under CAS number 7757-83-7 and EG number 231-821-4, with the empirical formula Na₂SO₃, a molar mass of 126,04 g/mol and a density of 2,63 g/cm³. The material is Anhydrous character supports accurate stoichiometric dosing without additional water of crystallisation. This grade from manufacturer Carl ROTH suits research, quality-control and teaching laboratories that require a reliable sulphite source with documented identity parameters. High assay and clear physical data help maintain reproducibility when preparing stock solutions or performing redox-related procedures. The plastic container protects the solid during storage and routine handling.
This article is part of Inorganic salts, in Inorganic chemicals.
Key features
- Assay Na2SO3: ≥98 %
- pH value (50 g/l): 9,0-10,6
- Iron (Fe): ≤0,001 %
- Heavy metals (as Pb): ≤0,001 %
- CAS number: 7757-83-7
- Pack sizes: 1 kg, 10 kg, 5 kg, 25 kg
- EG nr.: 231-821-4
- Purity: min. 98 %
- Empirical formula: Na₂SO₃
- Molar mass: 126,04 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Sodium sulphite, min. 98 %, anhydrous, 1 kg, plastic
What is this article?
Sodium sulphite, min. 98 %, anhydrous, 1 kg, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Inorganic salts, inside Inorganic chemicals, in Lab chemicals.
An inorganic salt is an ionic solid, a chloride, a sulfate, a nitrate, a phosphate. The degree of hydration changes the mass that contains one mole of the ion. Analytical grade limits the foreign ions. A hydrate and the anhydrous salt are not interchangeable by weight.
An inorganic chemical is a salt, an acid or base in solid form, a metal, an oxide, or an element. The waters of hydration are part of the formula: a hydrate and an anhydrous salt are different masses for the same ion. Trace metals matter when the salt will be used in analysis. Nanomaterials add particle size to the specification. Look the substance up on PubChem. Hazard classes are on ECHA, under the CLP Regulation and REACH. Transport of the dangerous ones is explained by the UNECE.
Which category should I open next?
The category is Inorganic chemicals. The sub-category is Inorganic salts. The catalogue is Lab chemicals.
Shelves beside this one are Metals, elements & oxides and Nanomaterials & quantum dots.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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