Sodium Hydroxide (Caustic Soda, CAS 1310-73-2), commonly known as caustic soda, is a strong inorganic alkali, available in solid flake/pearl and liquid solution grades, widely used in water treatment, pulp & paper, textile, soap, detergent and chemical synthesis industries. TNJ Chemical is the key manufacturer and exporter since from 2001 in China. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Chemical Name Sodium Hydroxide
Common Name Caustic Soda, Lye
Abbreviation NaOHCAS No. 1310-73-2
Molecular Formula NaOH
Molecular Weight 40.00
EINECS No. 215-185-5
Synonym Sodium hydrate
Chemphysical Properties
Appearance: White flakes / pearls / colourless liquid solution
Odor: Odorless
Density: 2.13 g/cm³ (solid); 1.33~1.54 g/cm³ (30%-50% liquid)Melting Point: 318 ℃
Boiling Point: 1388 ℃
Solubility: Highly soluble in water, releases large heat during dissolution; soluble in ethanol and glycerol
Character: Strong corrosive, highly hygroscopic, absorbs CO₂ from air to form sodium carbonate
Quality Specification
| Item | (Flake/Pearl 99%) | (Liquid 32%) |
|---|---|---|
| NaOH Content | ≥99.0% | ≥32.0% |
| Na₂CO₃ | ≤0.50% | ≤0.10% |
| NaCl | ≤0.03% | ≤0.008% |
| Fe₂O₃ | ≤0.005% | ≤0.0006% |
Use & Application
Sodium hydroxide is a fundamental strong base raw material.
Water treatment: pH adjustment, heavy metal precipitation
Pulp & paper: wood pulp delignification
Textile industry: mercerizing agent for cotton fabric
Detergent & soap manufacturing: saponification reaction
Chemical synthesis: neutralization, condensation reactions
Petroleum refining, food processing, metal etching and biodiesel production
Packing
Solid caustic soda: 25kg PE lined woven bag or as request
Liquid caustic soda: IBC tank / ISO tank. Custom packing available on request.
Delivery & Storage
Store in cool, dry, well ventilated warehouse. Keep tightly sealed, avoid exposure to air and moisture. Separate from acids, organic materials, metals and foodstuff. Wear full PPE when handling due to strong corrosion. Shelf life 12 months under proper storage. Avoid leakage during transport.
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