Trimethylamine Solution (TMA, 30–45% aq.)
CAS 75-50-3
(CH₃)₃N
Chemicals
MW: 59.11 g/mol
Physical & Chemical Specifications
| Property | Specification | Test Method |
|---|
| TMA Content | 30–45% (w/w) | Titration |
| Appearance | Colorless liquid with pungent fishy odor | Visual |
| Density (25°C) | 0.78–0.82 g/mL | Pycnometer |
| pH (1:10 dilution) | 11.0–13.0 | pH meter |
| Iron (Fe) | ≤ 1 ppm | ICP-OES |
| Chloride (Cl⁻) | ≤ 10 ppm | IC |
| Non-volatile Residue | ≤ 0.05% | Gravimetric |
Typical Applications
- Betaine & choline salt industrial synthesis
- Ion exchange resin production (quaternary ammonium)
- Pharmaceutical intermediate & API synthesis
- Animal feed additive – choline chloride precursor
- Chemical intermediate for surfactants & dyes
Packaging
25 kg / 200 kg pressure-rated stainless steel drums
Storage & Shelf Life
Flammable liquid (Class 3). Below 10°C, sealed pressure containers. Avoid open flame. Shelf life: 12 months.
All values are typical and may vary by lot. This TDS does not constitute a warranty.
Contact TKNCO for lot-specific Certificate of Analysis (COA).