Why Sodium Hydroxide 25% ACS Grade
Sodium Hydroxide 25% ACS Grade provides chemical formulators, metal processors, and water treatment operators with a clear, colorless viscous liquid solution that meets the exacting specifications of the American Chemical Society. This specific 25% concentration eliminates the intense exothermic heat generation associated with dissolving dry sodium hydroxide forms, directly reducing preparation steps and formulation time in industrial facilities. Because it carries the strict ACS Reagent Grade designation, this liquid guarantees extremely low levels of trace heavy metals, chlorides, and iron impurities. This verified purity makes it the mandatory standard for highly sensitive chemical manufacturing and stringent industrial wastewater protocols where standard industrial grades would introduce unacceptable contamination into the process stream. Furthermore, its completely soluble nature in water and alcohol mixtures ensures uniform reactions without the risk of precipitation.
Best Applications for This Grade
- Analytical testing and laboratory environments: Commonly applied in titrations, precise pH control, and analytical methodologies where ACS purity guarantees trace contaminants will not interfere with sensitive instrumentation or readings.
- Critical industrial wastewater treatment: Commonly applied in strict acid neutralization and heavy metal precipitation phases where environmental discharge compliance requires strict control over added chemical impurities.
- Chemical manufacturing and synthesis: Acts as a reliable, completely soluble base reactant for formulating complex chemical mixtures, ensuring exact stoichiometry without the introduction of unwanted chemical byproducts.
- Specialty metal processing and surface finishing: Commonly applied in delicate metal etching, oxide removal, and cleaning processes that require precise caustic strength and reagent-level purity to prevent microscopic surface defects.
- Specialty cleaning chemical formulation: Commonly applied in the creation of rigorous industrial detergents where standard commercial bases might introduce minerals that degrade final product stability.
When to Choose a Different Grade
- If daily operations require routine bulk pH adjustment or basic saponification without the strict trace-metal limits of an analytical reagent, choose Sodium Hydroxide 25%.
- If facilities require a more concentrated liquid format to reduce storage footprint and handle higher-volume dosing demands while maintaining identical analytical purity, choose Sodium Hydroxide 50% Solution ACS Grade.
- If operators prefer to perform custom dilutions on-site to exact custom percentages, or require a dry material to accommodate water-sensitive formulation limits, choose Sodium Hydroxide Flakes ACS Grade.
- If the primary operational goal is heavy industrial manufacturing or standard large-scale water treatment requiring a highly concentrated 50% liquid base, choose Sodium Hydroxide 50% Membrane Grade (Caustic Soda, Lye).
- If operations require a dry format to control dilution but only demand standard industrial purity rather than stringent analytical specifications, choose Sodium Hydroxide Flakes.
| Molecular Weight |
40.00 |
| Formula |
NaOH |
| Assay |
24.5-25.5% |
| Grade |
ACS Grade |
| Form |
Liquid |
| Solubility |
Soluble in water |
| Appearance |
Clear, colorless to slightly yellow liquid |
| Melting Point |
-15 |
| Boiling Point |
1388 |
| Specific Gravity |
1.2 |
| Industry |
Water Treatment, Chemical Manufacturing, Industrial Cleaning, Analytical Chemistry, Food Industry |