Tetramethyl ammonium hydroxide
Product Images
Product Property
| Product Status : | New |
| Sample Available : | yes |
| Shipment Terms : | fob,cfr,cif,Negotiable |
| Payment Mode : |
T/T,L/C,WesternUnion |
Description
1.Tetramethyl ammonium hydroxide 25% 75-59-2
2.CAS NO.:75-59-2
3.Purity:25%
4.Good quality
2.CAS NO.:75-59-2
3.Purity:25%
4.Good quality
| Description | Colorless transparent liquid. |
| Structural Formula: (CH3)4NOH | |
| Formula Weight: 91.15 |
| Specifications | Item | Unit | MIN | MAX |
| Assay | % | 24.90 | 25.10 | |
| Color | Hazen | 5 | ||
| CO32- (Carbonate) | ppm | 100 | ||
| Cl- ( Chloride ) | ppm | 0.1 | ||
| CH3OH (Methanol) | ppm | 40 | ||
| Li (Lithium) | ppb | 5 | ||
| Na (Sodium) | ppb | 10 | ||
| Mg (Magnesium) | ppb | 5 | ||
| Al (Aluminium) | ppb | 10 | ||
| K (Potassium) | ppb | 10 | ||
| Ca (Calcium) | ppb | 10 | ||
| Cr (Chromium) | ppb | 5 | ||
| Mn (Manganese) | ppb | 5 | ||
| Fe (Iron) | ppb | 5 | ||
| Ni (Nickel) | ppb | 5 | ||
| Co (Cobalt) | ppb | 5 | ||
| Cu (Copper) | ppb | 5 | ||
| Zn (Zinc) | ppb | 5 | ||
| Mo (Molybdenum) | ppb | 5 | ||
| Cd (Cadmium) | ppb | 5 | ||
| Pb (Lead) | ppb | 5 | ||
| Ag (Silver) | ppb | 5 | ||
| Particle >=0.5um | Ea/ml | 100 |
| Physical Properties* | Form | Liquid |
| Boiling Point, °C | 100.0 | |
| Freezing point, °C | <-25.0 | |
| Viscosity@ 25 °C, cst | 2.8 | |
| Specific Gravity @ 60 °F | 1.022 | |
| Flashpoint (Pensky Martens), °F | >200 | |
| pH | >13 |
*Results based on actual analysis of product; numbers may vary slightly from lot to lot..
| Usage | widely used in electronic industry , especially as positive resister developer , silicon wafer wet etchant and super clean solution for CMP process. |
| Shipping Information | Containers |
| 200L clean drum | |
| Other containers available upon request. | |
| Shipping Classification | |
| Proper shipping name: tetramethylammonium hydroxide | |
| Hazard classification: 8 | |
| Identification number: UN1835, PGII |
| Safety and Handling | For specific safety and handling information please refer to the |
| Material Safety Data Sheet which is available upon request. |
| Chemical Registration Numbers | CAS 75-59-2 |
| EINECS 200-882-9 | |
| NIOSH/RTECS PA0875000 |
| Remarks* | Tetramethylammonium Hydroxide(2.380%, 20.0%, electronic grade), TMAH (25%, 98%, industrial grade) are also available, please contact us for details. |
