Tetramethylammonium Bromide Tetramethylammonium Bromide
Structural formula
| Business number | 01D9 |
|---|---|
| Molecular formula | C4H12BrN |
| Molecular weight | 154.05 |
| label |
Tetramethylammonium bromide, Organic acid salts |
Numbering system
CAS number:64-20-0
MDL number:MFCD00011626
EINECS number:200-581-2
RTECS number:BS7600000
BRN number:3620955
PubChem number:24888934
Physical property data
1. Properties: white crystal. Easy to absorb moisture
2. Density (g/mL, 25/4℃): 1.56
3. Relative vapor density (g/mL, air=1): Uncertain
3. p>
4. Melting point (ºC): >300
5. Boiling point (ºC, normal pressure): >360
6. Boiling point (ºC, 5.2kPa): Uncertain
7. Refractive index: Uncertain
8. Flash point (ºC): Uncertain
9. Specific rotation (º): Uncertain Determined
10. Autoignition point or ignition temperature (ºC): Uncertain
11. Vapor pressure (kPa, 25ºC): Uncertain
12. Saturated vapor pressure (kPa, 60ºC): Uncertain
13. Heat of combustion (KJ/mol): Uncertain
14. Critical temperature (ºC): Uncertain
15. Critical pressure (KPa): Uncertain
16. Log value of oil-water (octanol/water) partition coefficient: Uncertain
17. Explosion upper limit ( %, V/V): Uncertain
18. Lower explosion limit (%, V/V): Uncertain
19. Solubility: Easily soluble in water, slightly soluble in Anhydrous alcohol, insoluble in ether
Toxicological data
Acute toxicity: rat abdominal LD50: 24600 ug/kg; mouse intravenous LD50: 1800 ug/kg
Ecological data
None yet
Molecular structure data
None yet
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): None
2. Number of hydrogen bond donors: 0
3. Number of hydrogen bond acceptors: 1
4. Number of rotatable chemical bonds: 0
5. Number of tautomers: none
6. Topological molecule polar surface area 0
7. Number of heavy atoms: 6
8. Surface charge: 0
9. Complexity: 19.1
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. Uncertain number of atomic stereocenters: 0
13. Determine the number of chemical bond stereocenters: 0
14. Number of uncertain chemical bond stereocenters: 0
15. Number of covalent bond units: 2
Properties and stability
None yet
Storage method
This product should be kept sealed and dry.
Store in a cool, dry placeThe place. Store in an airtight container.
Synthesis method
First dissolve methyl bromide in ethanol, cool it indirectly with ice water, and pass in trimethylamine for reaction. During the reaction After tetramethylammonium bromide precipitates, filter and dry, the finished product is obtained:
Purpose
Used as polarographic analysis reagent. Chemical analysis reagents. Determination of alkali metals and alkaline earth metals.
