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Tetramethylammonium hydroxide, 25% w/w in methanol
Description
Tetramethylammonium hydroxide is used for anisotropic etching of silicon. As a basic solvent, it is used in the development of acidic photoresist in the photolithography process. It acts as phase transfer catalyst and surfactant and is used in the synthesis of ferrofluid in order to inhibit nanoparticle aggregation. It finds application in thermochemolysis, an analytical technique involving both pyrolysis and chemical derivatization of the analyte.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
Specifications
| Color | Colorless to Yellow |
| Density | 0.865 g/mL |
| Flash Point | 12°C (54°F) |
| Odor | Like alcohol |
| Linear Formula | (CH3)4NOH |
| Quantity | 100 g |
| UN Number | UN2924 |
| Sensitivity | Air Sensitive |
| Merck Index | 14,9224 |
| Solubility Information | Miscible with water. |
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- Tetramethylammonium hydroxide, 25% w/w in methanol
- Danger
- Acute toxicity Category 2
- Acute toxicity Category 3
- LONG-TERM AQUATIC HAZARD Chronic 3
- Serious eye damage/eye irritation Category 1
- Flammable liquid Category 2
- Skin corrosion/irritation Category 1 B
- Specific target organ toxicity Category 1
- Specific target organ toxicity after single exposure Category 1
- H225-Highly flammable liquid and vapour.
- H301-Toxic if swallowed.
- H310-Fatal in contact with skin.
- H314-Causes severe skin burns and eye damage.
- H318-Causes serious eye damage.
- H331-Toxic if inhaled.
- H370-Causes damage to organs.
- H372-Causes damage to organs.
- H412-Harmful to aquatic life with long lasting effects.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- MIXTURE LIST-Contains : Methanol, Tetramethylammonium hydroxide
RUO – Research Use Only
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