Chemical Product Library / Reference
Sodium hydroxide
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Sodium hydroxide |
|---|---|
| English synonyms | Caustic soda;Lye;Sodium hydrate |
| Chinese name | 氢氧化钠 |
| Chinese synonyms | 烧碱;苛性钠;固碱;片碱;火碱 |
| Chemical category | Inorganic Salts |
| CAS No. | 1310-73-2 |
| EINECS No. | 215-185-5 |
| Molecular formula | NaOH |
| Molecular weight | 40 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
NaOH content ≥99.0%; carbonate (as Na2CO3) ≤0.5%; chloride ≤0.01%; iron ≤0.001%
Performance characteristics
White flakes or granules, highly hygroscopic, soluble in water with heat evolution, aqueous solution is strongly alkaline
Application scenarios
Soap making, papermaking, textiles, water treatment, food processing, petroleum refining, chemical synthesis