Sodium Chloride Extra Pure SLR Grade 1kg

Sodium Chloride, Analytical Grade, ≥99.4% (Argentometry), 1 kg

Product Description
High-purity sodium chloride (NaCl), also known as common salt, table salt, rock salt, halite, or saline. This product is supplied as a white crystalline powder and is intended for analytical and laboratory use. It has a minimum assay of 99.4%, determined by argentometric titration. Supplied in a 1 kg plastic bottle to ensure safety and ease of handling.

Chemical Information
The chemical name is sodium chloride, with the molecular formula NaCl and a molar mass of 58.44 g/mol. The CAS number is 7647-14-5, and the EC number is 231-598-3. The IUPAC name is sodium chloride, with a SMILES notation of [Na+].[Cl-] and InChI Key FAPWRFPIFSIZLT-UHFFFAOYSA-M. The product is also listed under PubChem CID 5234, ChEBI ID CHEBI:26710, MDL number MFCD00003477, and is referenced in the Fieser index (13,280) and Merck Index 15, entry 8734.

Specifications
The assay is ≥99.4% (by argentometry), with a stated purity of 99.5%. This is an analytical grade material in crystalline powder form, white in colour. A 5% solution in water at 20°C has a pH range of 5.0 to 8.0. The melting point is 801°C, and the boiling point is 1461°C.

Solubility
Sodium chloride is soluble in water at 360 g/L (20°C), and also soluble in glycerol (1 g/10 mL) and ammonia. It is only slightly soluble in alcohol and nearly insoluble in hydrochloric acid.

Impurity Limits
The product contains a maximum of 10 ppm heavy metals, 50 ppm sulphates, and 20 ppm combined calcium and magnesium.

Packaging and Presentation
Packaged in a sturdy plastic bottle, with a net quantity of 1 kg.

Additional Information
This product was originally part of the Acros Organics range. While the labelling or documentation may still refer to the former brand, the product code and specifications remain unchanged under the Thermo Scientific™ Chemicals brand.