Product Features

Product Name: Sodium Hydroxide
Packing Type: 5 KG
Chemical Formula: NaOH
Appearance:White Beads
Odor: Odorless
Molar mass: 39,9971 g mol-1
Density: 2.13 g / cm3
Melting point: 318 ° C
Boiling point: 1388 ° C

Usage Areas

Pure sodium hydroxide is a colorless, crystalline solid which melts at 318 ° C without degradation. Highly soluble in water, present with a lower solubility in ethanol and methanol, but insoluble in ether and other non-polar solvents.

Similar to the hydration of sulfuric acid, the dissolution of solid sodium hydroxide into water is an extremely exothermic reaction in which large amounts of heat are released [12], posing a threat to safety due to the possibility of splashing. The resulting solution is generally colorless and odorless. As with other alkaline solutions, it becomes slippery in contact with skin.

Sodium hydroxide is also known as algae and caustic soda. Sodium hydroxide is a highly caustic base and alkali, which can break down proteins at ordinary ambient temperatures and cause severe chemical burns.

Sodium hydroxide reacts with protic acids to produce water and related salts. For example, when sodium hydroxide reacts with hydrochloric acid, sodium chloride is formed:

NaOH (aqueous) + HCl (aqueous) → NaCl (aq) + H 2 O (1)

In general, such neutralization reactions are represented by a simple net ionic equation:

OH – (aq) + H + (aqueous) → H2O (I)

This type of reaction with a strong acid emits heat and is therefore exothermic. These acid-based reactions can also be used for titrations. However, sodium hydroxide is not used as the primary standard because it is hygroscopic and absorbs carbon dioxide in the air.

Acid control, treatment of bad odor, cleaning pipes, pH balancing)
Adhesive, heat press printing, newsprint)
Sodium Aluminate, Sodium Cyanide, Silicate, Polycarbonate, Titanium Oxide, Zeolite production
In the latest product to remove residues, bleaching
STTP, Sodium Hypochlorite, Soap, Oven and Pipe Cleaner)
Sodium Phenolate [aspirin and antiseptic]
Edible oil refining, fruit and vegetable peeling, ice cream
Oil cleaning, water treatment, equipment cleaning
Starch, Caustic, Water, Silicate: Together in Label Adhesive Manufacturing
Starch, Caustic, Water, Borax: In Corrugated Board Glue Manufacturing
To remove acid residues in refined products, to remove phenols, to stabilize pH in drilling mud, to remove calcium and bactericides in drilling
Filter Cleaner (in filter pools) and cleaning of acid unit in mines,
In addition, Caustic (Sodium Hydroxide) or Lime (Calcium Hydroxide) is used to adjust the pH of Sodium Cyanide used.

Item Property Units Test Results Normal Range
( Grade A )
Test Method
1 Purity as NaOH wt% 99.0 98 min JIS K 1200
2 Carbonates as Na2CO3 wt% 0.5> 1.0 max JIS K 1200
3 Chlorides as Nacl wt% 0,02> 0,06max ASTM E 291
4 Sulfates as Na2SO4 wt% 0,003 > 0,01 max ASTM E 291
5 Silicates as SiO2 wt% 0,003 > 0,02 max IS 252
6 Matter İnsoluble in water wt% 0,03 > 0,01 max BSI 6075
7 Iron as Fe203 wt-ppm 22,6 > 30 max ASTM E 291
8 Aluminium as AI203 wt-ppm 5 > 20 max ISO 10566
9 Heavy metals as Pb wt-ppm 8 > 20 max IS 9831
10 Arsenic As203 wt-ppm 0,2 > 2 max IS 9831

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