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HS Code |
403603 |
| Chemical Name | Tetramethylammonium Hydroxide Pentahydrate |
| Synonyms | TMAH pentahydrate |
| Cas Number | 10424-65-4 |
| Molecular Formula | (CH3)4NOH·5H2O |
| Molecular Weight | 181.27 g/mol |
| Appearance | White crystalline solid |
| Melting Point | 65-70 °C |
| Solubility In Water | Miscible |
| Odor | Amine-like |
| Storage Temperature | 2-8 °C |
| Purity | Typically ≥97% |
| Hazard Statements | Corrosive, toxic, harmful if swallowed |
| Product Codes | Sigma-Aldrich: 87182, Merck: 1.08603, TCI: T1920 |
| Ph | Strongly basic (pH > 12) |
| Un Number | UN 2922 |
As an accredited Tetramethylammonium Hydroxide Pentahydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tetramethylammonium Hydroxide Pentahydrate, Sigma-Aldrich, 500g, supplied in a sealed, high-density polyethylene bottle with hazard labeling. |
| Shipping | Tetramethylammonium Hydroxide Pentahydrate is shipped in tightly sealed, chemical-resistant containers to prevent moisture absorption and leakage. It is classified as a corrosive substance and transported according to local, national, and international regulations, including proper labeling and documentation. Always handle shipments with appropriate personal protective equipment and store at recommended temperatures upon arrival. |
| Storage | Tetramethylammonium Hydroxide Pentahydrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as acids and oxidizers. Protect from moisture, direct sunlight, and sources of ignition. Store at recommended temperature provided by the manufacturer, typically between 2–8°C. Always follow Sigma-Aldrich, Merck, or TCI Chemical safety datasheets for specific guidelines. |
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