Trimethylamine hydrochloride
- CAS No.
- 593-81-7
- Chemical Name:
- Trimethylamine hydrochloride
- Synonyms
- TRIMETHYLAMMONIUM CHLORIDE;TRIMETHYLAMINE HCL;FEMA 3241;Trimthylamine bydrochloride;N, N-DIMETHYLMETHYLAMINE HCL;Trimethylamine monohydrochloride;Trimethylammonium monohydrochloride;Methanamine,N,N-dimethyl-,hydrochloride;HJ 1042-2019);Cetyl pyridinium HC1
- CBNumber:
- CB8770378
- Molecular Formula:
- C3H10ClN
- Molecular Weight:
- 95.57
- MOL File:
- 593-81-7.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/7/12 15:32:57
| Melting point | 283-284 °C (dec.)(lit.) |
|---|---|
| Boiling point | 132.32°C (rough estimate) |
| Density | 0.9337 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.4413 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | SOLUBLE |
| form | Crystalline Powder |
| color | White to slightly cream |
| PH | 5 (100g/l, H2O, 20℃) |
| Water Solubility | SOLUBLE |
| Sensitive | Hygroscopic |
| Merck | 14,9710 |
| BRN | 3905063 |
| Stability | Hygroscopic |
| InChIKey | SZYJELPVAFJOGJ-UHFFFAOYSA-N |
| LogP | -2.25 at 25℃ |
| CAS DataBase Reference | 593-81-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Methanamine,n,n-dimethyl-,hydrochloride(593-81-7) |
| EPA Substance Registry System | Trimethylamine hydrochloride (593-81-7) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319 | |||||||||
| Precautionary statements | P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38-38-36 | |||||||||
| Safety Statements | 26-36-37/39 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | YH2700000 | |||||||||
| F | 3-10 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29211190 | |||||||||
| Toxicity | LD50 orally in Rabbit: 3090 mg/kg | |||||||||
| NFPA 704 |
|
Trimethylamine hydrochloride price More Price(13)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | T72761 | Trimethylamine hydrochloride 98% | 593-81-7 | 25G | ₹1937.68 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T72761 | Trimethylamine hydrochloride 98% | 593-81-7 | 100G | ₹2197.48 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | T72761 | Trimethylamine hydrochloride 98% | 593-81-7 | 500G | ₹6473.35 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 8.21178 | Trimethylammonium chloride for synthesis | 593-81-7 | 5G | ₹2690 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 8.21178 | Trimethylammonium chloride for synthesis | 593-81-7 | 250G | ₹9370 | 2022-06-14 | Buy |
Trimethylamine hydrochloride Chemical Properties,Uses,Production
Chemical Properties
white to slightly cream crystalline powder
Uses
Trimethylamine hydrochloride is used in the manufacture of quaternary ammonium compounds, as insect attractant. It is also used as a raw material for the synthesis of choline chloride and ion exchange resins. Additionally, It acts as a cationic starch reagent, phase transfer catalyst, oil field chemicals, warning agent for natural gas and flotation agent.
Definition
ChEBI: Trimethylamine hydrochloride is a hydrochloride salt formed by reaction of equimolar amounts of trimethylamine and hydrogen chloride. It contains a trimethylammonium.
Preparation
Trimethylamine hydrochloride can be synthesized through the reaction of trimethylamine (TMA) and hydrochloric acid (HCl). The synthesis reaction can be written as follows:
C3H9N+ HCl → C3H10ClN
The following steps are involved in obtaining trimethylamine hydrochloride:
Step 1: Evaporation of hydrochloric acid solution The hydrochloric acid solution is evaporated, first over a free flame, and later on a steam bath. This process results in concentration of the solution, which aids in the formation of trimethylamine hydrochloride crystals.
Step 2: Crystal formation and filtration As the solution becomes more and more concentrated, the trimethylamine hydrochloride crystals begin to form. The crystals are filtered periodically to remove them from the solution.
Step 3: Drying The filtered crystals are dried in an air bath for a few minutes, with a temperature range of 100-110°.
Step 4: Storage The air-dried crystals are then stored in a tightly closed bottle.
Step 5: Centrifugation (optional) If the trimethylamine hydrochloride crystals are centrifuged, the product is obtained pure and dry.
Overall, four runs yield an average of 710 g of pure trimethylamine hydrochloride and 82 g of slightly yellow-tinted product. This yield is equivalent to 89% of the theoretical amount based on ammonium chloride. The slight yellow coloration results from the evaporation of the last traces of solution.
DOI: 10.15227/orgsyn.001.0079
Purification Methods
The salt crystallises from CHCl3, EtOH or n-propanol, and is dried under vacuum. It also crystallises from *benzene/MeOH, MeOH/diethyl ether and is dried under vacuum over paraffin wax and H2SO4. It is kept over P2O5 as it is hygroscopic.[Beilstein 4 H 262, 4 I 419, 4 IV 138.]
Trimethylamine hydrochloride Preparation Products And Raw materials
Raw materials
Preparation Products
1of2
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