Name | Tetraethylammonium bromide |
Synonyms | TEAB tmd10 Etamon Etylon Ethylon Etambro Beparon Bromethyl TEA BROMIDE tetrylammonium bromide TETRAETHYLAMMONIUM BROMIDE Tetraethylammonium bromide tetraethyl ammonium bromide bromuredetetraethylammonium Tetra Ethyl Ammonium Bromide Bromure de tetraethylammonium Ammonium, tetraethyl-, bromide N,N,N-triethylethanaminium bromide Ethanaminium,N,N,N-triethyl-,bromide Ethanaminium, N,N,N-triethyl-, bromide |
CAS | 71-91-0 |
EINECS | 200-769-4 |
InChI | InChI=1/C8H20N.BrH/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H/q+1;/p-1 |
InChIKey | HWCKGOZZJDHMNC-UHFFFAOYSA-M |
Molecular Formula | C8H20BrN |
Molar Mass | 210.16 |
Density | 1,397 g/cm3 |
Melting Point | 285°C (dec.)(lit.) |
Water Solubility | 2795 g/L (25 º C) |
Solubility | Soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, |
Vapor Density | 5.3 (vs air) |
Appearance | Odor-free white crystal |
Color | White to cream |
Odor | Odorless |
Merck | 14,9199 |
BRN | 3563430 |
PH | 6.5 (100g/l, H2O, 20℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Incompatible with strong oxidizing agents. |
Sensitive | Hygroscopic |
Refractive Index | 1,442-1,444 |
MDL | MFCD00011825 |
Physical and Chemical Properties | melting point 285°C (dec.) |
Use | Used as polarographic reagents and pesticide intermediates |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 3 |
RTECS | BS5950000 |
FLUKA BRAND F CODES | 3 |
TSCA | Yes |
HS Code | 29239000 |
Raw Materials | Triethylamine |
Reference Show more | 1. [IF=9.445] Li Hongshi et al."Reconfiguring perovskite interface via R4NBr addition reaction toward efficient and stable FAPbI3-based solar cells."Science China-Chemistry. 2022 Jun;65(6):1185-1195 2. [IF=1.967] Tong Yu et al."Dual-mode color-changing pH sensor based on fluorescent MOF embedded photonic crystal hydrogel."JOURNAL OF THE CHINESE CHEMICAL SOCIETY |
pH range of acid-base indicator discoloration | 6.5 at 100g/l |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Application | tetraethyl ammonium bromide can be used as a polarographic reagent and pesticide intermediate, can be used for ion-pair chromatography, the detection of gold, Iridium, palladium, rhodium and ruthenium. |
application field | phase transfer catalyst for organic synthesis, curing accelerator for polymer polymerization, organic electrolyte for electronic industry, oilfield chemical agent, molecular sieve template, phase change cold storage material, high performance liquid chromatography analysis reagent, surfactant, detergent, adsorbent, oil displacement agent, etc. |
biological activity | tetraethylamide bromite (TEAB, TEA bromite) is used as a source of Tetraethylammonium ion in pharmacological and physiological research, it is also used in organic chemical synthesis. It selectively blocks potassium channels. |
Use | use: used as a polarographic reagent and pesticide intermediate for ion-pair chromatography. Gold, Iridium, palladium, rhodium and ruthenium were examined. Polarographic analysis. |
production method | in a ML three-mouth bottle equipped with a reflux condenser and a stirrer, add 7ml (5G, 0.05mol) triethylamine and 4mL(5.5g,0.05mol) of bromoethane and 20ml of 1, 2-dichloroethane or benzene. Reflux heating 1.5~2H. After cooling the reaction solution, crystals were precipitated, filtered, washed twice with a small amount of 1, 2-dichloroethane or benzene, dried and stored in a desiccator. Yield 8~10g. |