Sodium hydroxide (caustic soda) pellets for analysis EMSURE® are a strong inorganic base with ≥ 99 % NaOH (acidimetric) assay. They dissolve readily in water, producing highly alkaline solutions and are widely used for pH adjustment, titration, neutralization and wet chemical analysis in analytical, environmental and industrial laboratories
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106498 Sodium hydroxide pellets for analysis EMSURE®, Merck (MilliporeSigma)
106498
Merck
Sodium hydroxide pellets for analysis EMSURE® (catalogue No. 106498) are an inorganic reagent grade strong base supplied by Merck (MilliporeSigma). The pellets provide a reliable source of hydroxide ions (NaOH) for laboratory applications requiring a high-purity alkali. Suitable for pH adjustment, titrations, neutralization reactions and wet chemical analysis, the product dissolves easily to form highly alkaline solutions.
Advantages
- High analytical purity with ≥ 99 % NaOH (acidimetric) assay.
- Pellet form for easier weighing, handling and dissolution.
- Suitable for a wide range of laboratory applications including pH control and titration.
- Low impurities (e.g., total nitrogen ≤ 0.0003 %, chloride ≤ 0.012 %) for consistent analytical performance.
Technical specifications
| Chemical formula | NaOH |
| CAS Number | 1310-73-2 |
| Molecular weight | 40.00 g/mol |
| Assay | ≥ 99 % NaOH (acidimetric) |
| Form | Pellets |
| Typical applications | pH adjustment, titrations, neutralization, analytical chemistry |
| Solubility | ≈ 1090 g/L in water (20 °C) |
| Impurity limits (selected) | Total nitrogen ≤ 0.0003 %; chloride ≤ 0.012 % (typ.) |
| Storage temperature | 2–30 °C |
| Brand | Merck |
