Sodium Hydroxide 25 kg

Sodium Hydroxide for Industrial-Scale Processing and Bulk Chemical Supply

Sodium hydroxide, commonly known as caustic soda, remains one of the most demanded alkaline reagents across global heavy industry. This 25 kg packaging is built for manufacturing plants and processing lines that require a steady, uninterrupted supply of bulk raw material rather than small trial batches. The product belongs to the section Acids, Salts, Alcohols, and Alkalis, which brings together reagents forming the backbone of countless technological processes.

The largest share of worldwide demand for caustic soda comes from pulp and paper manufacturing, petroleum refining, aluminum smelting, textile mills and water treatment facilities. Paper mills rely on it for pulping wood fiber and bleaching, while refineries use it to strip sulfur compounds from petroleum products. Textile plants apply the reagent for mercerizing cotton, which improves fiber strength and sheen. A substantial portion of consumption is tied to biodiesel production, where sodium hydroxide acts as the catalyst in the transesterification reaction that converts vegetable oils and animal fats into fuel-grade esters. The reagent is equally essential at wastewater treatment plants for adjusting effluent alkalinity and precipitating heavy metals, and it forms the base of many heavy-duty household and industrial drain cleaners. In food processing, diluted solutions are used to treat the surface of certain baked goods and to cure olives before brining, as well as for equipment sanitation in food plants. A smaller but well-known application is traditional cold-process soap making, where the reagent serves as the only viable activator for the saponification reaction.

Because of the bulk packaging, storage discipline matters considerably: keep the flakes or pellets in a sealed, moisture-proof container in a dry warehouse area, away from acids and flammable materials, since the compound is strongly hygroscopic. When preparing solutions, always add the dry reagent gradually into water rather than the reverse, since dissolution releases substantial heat. Working concentrations are chosen according to the task, ranging from mild percentages for gentle cleaning to strong solutions for aggressive metal degreasing. In laboratory and process control settings the reagent is often paired with other salts and acids for buffer preparation and titration work - for neutralizing residual acidity, technicians commonly use Nitric Acid, 1 kg, while fine adjustment of alkalinity in smaller volumes is sometimes handled with Baking Soda, 500 g. Related laboratory tasks involving buffer and preservation solutions frequently call for Borax 10-hydrate, 50 g as well.

Personal protective equipment - gloves, goggles and protective clothing - is mandatory when handling this reagent, since both the concentrated solution and the dry compound cause chemical burns on contact with skin and eyes. Dosing on production lines is calculated by process engineers for each specific application and requires careful temperature monitoring, particularly during exothermic reactions such as oil transesterification.

Base Catalyst Solution for Biodiesel Transesterification

Methanol 2000 ml

Sodium hydroxide 70 g

Vegetable oil 10000 ml