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| CAS No.: | 71-91-0 |
|---|---|
| Name: | Tetraethylammonium bromide |
| Molecular Structure: | |
|
|
|
| Formula: | C8H20BrN |
| Molecular Weight: | 210.157 |
| Synonyms: | Ammonium,tetraethyl-, bromide (8CI);Ethanaminium, N,N,N-triethyl-, bromide (9CI);Ethanaminium,N,N,N-triethyl-, bromide (1:1);Beparon;Bromethyl;Etambro;Etamon;Ethylon;Etylon;Sympatektoman;TEA bromide;TEAB;TMD 10;Teamon;Tetranium;Tetrylammonium bromide; |
| EINECS: | 200-769-4 |
| Density: | 1.397 g/cm3 |
| Melting Point: | 285 °C (dec.)(lit.) |
| Solubility: | 2795 g/L (25 °C) in water |
| Appearance: | white to light yellow crystalline solid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36-37/39 |
| PSA: | 0.00000 |
| LogP: | -1.11320 |
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- 885590-99-82,3-DIFLUORO-4-IODOBENZALDEHYDE
- 2509-16-2
trans-2-bromobutenedioic acid dimethyl ester
- 121-44-8
triethylamine
A
- 71-91-0
tetraethylammonium bromide
B
- 996-85-0, 98033-35-3
dimethyl diethylaminofumarate
| Conditions | Yield |
|---|---|
| In acetonitrile for 7h; Heating; | A 98.6% B 87% |
| Conditions | Yield |
|---|---|
| In acetonitrile at 60℃; for 72h; | 98% |
| Conditions | Yield |
|---|---|
| With P(C6H5)3 In methanol Stirring of a suspn. of Mo-compd. and PPh3 (MeOH, 1 h).; Filtn. of pptd. green solid, washing with hot MeOH and benzene, drying (vac.), elem. anal.; | A 60% B n/a C >99 |
- 91-22-5
quinoline
- 120782-58-3
Et4N{Rh(1,5-cyclooctadiene)Br2}
A
- 120782-61-8
{Rh(Br)(1,5-cyclooctadiene)(quinoline)}
B
- 71-91-0
tetraethylammonium bromide
| Conditions | Yield |
|---|---|
| In dichloromethane addn. of methanol, elimination of CH2Cl2, pptn. filtered off, washed with methanol, air-dried; elem. anal.; | A 53% B n/a |
| Conditions | Yield |
|---|---|
| With C2H4(P2(C6H5)4) In methanol byproducts: (dppe)S2; Boiling of Mo-compd. with dppe (MeOH, 1 h).; Recrystn. of bright green ppt. from a CH2Cl2/hexane mixt., elem. anal.; | A 48% B n/a |
| Conditions | Yield |
|---|---|
| With Petroleum ether durch Zerlegung des entstandenen Aethylsulfats mit wss. Ba(OH)2; |
- 540-49-8
cis+trans-dibromoethylene
- 121-44-8
triethylamine
A
- 71-91-0
tetraethylammonium bromide
B
- 109-89-7
diethylamine
- 121-44-8
triethylamine
- 108-88-3
toluene
- 535-11-5, 41978-69-2
Ethyl 2-bromopropionate
A
- 82614-48-0
ethyl 2-diethylaminopropanoate
B
- 71-91-0
tetraethylammonium bromide
C
- 636-70-4
triethylamine hydrobromide
| Conditions | Yield |
|---|---|
| at 50℃; |
- 121-44-8
triethylamine
- 535-11-5, 41978-69-2
Ethyl 2-bromopropionate
A
- 82614-48-0
ethyl 2-diethylaminopropanoate
B
- 71-91-0
tetraethylammonium bromide
C
- 636-70-4
triethylamine hydrobromide
| Conditions | Yield |
|---|---|
| at 107℃; |
- 20688-29-3
dimethyl 2-bromofumarate
- 121-44-8
triethylamine
A
- 71-91-0
tetraethylammonium bromide
B
- 996-85-0, 98033-35-3
dimethyl diethylaminofumarate
| Conditions | Yield |
|---|---|
| In acetonitrile for 7h; Heating; |
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Chemistry
Molecule structure of Tetraethylammonium bromide (CAS NO.71-91-0):
IUPAC Name: Tetraethylazanium bromide
Molecular Formula: C8H20BrN
Molecualr Weight: 210.16 g/mol
Melting Point: 285 °C (dec.)(lit.)
Density: 1.397 g/cm3
Water Solubility: 2795 g/L (25 °C)
Sensitive: hygroscopic
H-Bond Acceptor: 1
Rotatable Bond Count: 4
Exact Mass: 209.077912
MonoIsotopic Mass: 209.077912
Canonical SMILES: CC[N+](CC)(CC)CC.[Br-]
InChI: InChI=1S/C8H20N.BrH/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H/q+1;/p-1
InChIKey: HWCKGOZZJDHMNC-UHFFFAOYSA-M
EINECS: 200-769-4
Product Categories: quarternary ammonium salts; Ammonium Bromides (Quaternary); Quaternary Ammonium Compounds; Ammonium Salts; Greener Alternatives: Catalysis; Phase Transfer Catalysts; Ion-pair Reagents
Uses
Tetraethylammonium bromide (CAS NO.71-91-0) is used as reagents of polarographic analysis and the intermediates of pesticide.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LD50 | intravenous | 55mg/kg (55mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Journal of Pharmacology and Experimental Therapeutics. Vol. 97, Pg. 48, 1949. |
| mouse | LD50 | intraperitoneal | 50mg/kg (50mg/kg) | National Technical Information Service. Vol. AD277-689, | |
| mouse | LD50 | intravenous | 14200ug/kg (14.2mg/kg) | Journal de Physiologie Vol. 49, Pg. 220, 1957. | |
| mouse | LD50 | oral | > 2gm/kg (2000mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Journal of Pharmacology and Experimental Therapeutics. Vol. 97, Pg. 48, 1949. |
| rabbit | LD50 | intravenous | 72mg/kg (72mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Journal of Pharmacology and Experimental Therapeutics. Vol. 97, Pg. 48, 1949. |
| rat | LD50 | intraperitoneal | 108mg/kg (108mg/kg) | Pharmacology: International Journal of Experimental and Clinical Pharmacology. Vol. 21, Pg. 256, 1980. | |
| rat | LD50 | intravenous | 63mg/kg (63mg/kg) | LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES | Journal of Pharmacology and Experimental Therapeutics. Vol. 97, Pg. 48, 1949. |
| rat | LD50 | subcutaneous | 200mg/kg (200mg/kg) | Proceedings of the Society for Experimental Biology and Medicine. Vol. 78, Pg. 708, 1951. |
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39
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
F: 3
HS Code: 29239000
Specification
Tetraethylammonium bromide (CAS NO.71-91-0) is also named as AI3-19150 ; Beparon ; Bromethyl ; Bromure de tetraethylammonium ; Bromure de tetraethylammonium [French] ; Bromure de tetrylammonium ; Bromure de tetrylammonium [INN-French] ; Bromuro de tetrilamonio ; Bromuro de tetrilamonio [INN-Spanish] ; Etambro ; Etamon ; Ethylon ; Etylon ; NSC 36724 ; Sympatektoman ; TEA bromide ; TEAB ; TMD 10 ; Teamon ; Tetraethyl ammonium bromide ; Tetranium ; Tetrylammonii bromidum ; Tetrylammonii bromidum [INN-Latin] ; Tetrylammonium bromide ; USAF DO-32 . Tetraethylammonium bromide (CAS NO.71-91-0) is white to light yellow crystalline solid. It is a quaternary ammonium salt. It is a common source for the tetraethylammonium cation.