Sodium Hypochlorite 12.5% (NaOCl) is a high-strength liquid chlorine solution widely used as a disinfectant, oxidizing agent, and bleaching chemical. It appears as a clear to pale yellow liquid with a characteristic chlorine odor and is completely soluble in water. Known for its powerful antimicrobial and sanitizing properties, it is extensively used in drinking water and wastewater treatment, swimming pool sanitation, and industrial cleaning. It also serves as a bleaching agent in textile and paper processing. Valued for its effectiveness, rapid action, and reliable performance, it is a trusted solution across municipal and industrial applications.
| Property | Specification |
|---|---|
| Product Name | Sodium Hypochlorite 12.5% |
| CAS No | 7681-52-9 |
| Chemical Name/Synonyms | Sodium Hypochlorite, Liquid Bleach,Hypochlorous acid, sodium salt, NaOCl solution |
| Chemical Formula | NaOCl |
| Appearance (Color) | Clear, light greenish-yellow liquid with a strong chlorine odor |
| Molecular Weight | 74.44 g/mol |
| HS Code | 2828.90 |
| TSCA Inventory | Active |
More identifiers
| |
| Property | Typical Classification |
|---|---|
| GHS Signal Word | Danger |
| GHS Pictograms | Corrosion (GHS05) |
| Environmental Hazard | Hazardous to the aquatic environment (GHS09; not part of the OSHA label) |
| UN Number | UN 1791 |
| Proper Shipping Name | Hypochlorite solution |
| Transport Hazard Class | 8 |
| Packing Group | III |
| Flash Point | Not applicable |
Typical U.S. classification for this product: label elements under OSHA’s Hazard Communication Standard (29 CFR 1910.1200) and transport under U.S. DOT (49 CFR 172.101), compiled from manufacturers’ safety data sheets and harmonised GHS classifications, checked October 2026. Environmental hazards are shown for information; the OSHA label does not cover them. Classification can differ by supplier, grade and concentration: the supplier’s U.S.-format SDS, sent with your quote, is the governing document.
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