テトラエチルアンモニウムブロミド
テトラエチルアンモニウムブロミド · シンパテクトマン · テトリルアンモニウムブロミド · テアモン · テトラエチルアミニウム·ブロミド · TEAブロミド · ブロムエチル · エチロン
識別子と物理属性
| CAS No. | 71-91-0 |
|---|---|
| 分子式 | C8H20N.Br |
| 平均分子量 | 210.16 g/mol |
| 単同位体質量 | 209.07791174 g/mol |
| SMILES | CC[N+](CC)(CC)CC.[Br-] |
| InChIKey | HWCKGOZZJDHMNC-UHFFFAOYSA-M |
| PubChem CID | 6285 |
| ChEMBL | CHEMBL324254 |
| EC No. | 200-769-4 |
| DTXSID | DTXSID9044457 |
| 現地名 | テトラエチルアンモニウムブロミド |
化学・物理的性質
| 極性表面積 | 0 |
|---|---|
| 水素結合供与体数 | 0 |
| 水素結合受容体数 | 1 |
| 回転可能結合数 | 4 |
| 重原子数 | 10 |
| 形式電荷 | 0 |
| 複雑度 | 47.5 |
| 物質分類 | Nitrogen Compounds -> Quaternary Amines |
| 密度 | 1.39 @ 20°C1,397 g/cm3 |
| 蒸気圧 | 0.00000079 [mmHg]<1 hPa |
| Physical Description | LiquidDeliquescent solid[Merck Index] Colorless crystalline solidHighly hygroscopic[Sigma-Aldrich MSDS] |
| 融点 | 285 °C (dec.)(lit.) |
| 沸点 | >310 °C/979.1 hPa |
| 蒸気密度 | 5.3 (vs air) |
| 屈折率 | 1,442-1,444 |
| 貯蔵条件 | Store below +30°C. |
| 溶解度 | アセトニトリル: 0.1 g/mL 温、透明、無色2795g/L（25℃） |
| 外観・状態 | 液体 |
| 色 | ホワイト～クリーム |
| 臭い | 無臭 |
| pH | 6.5 (100g/l, H2O, 20℃) |
| Merck | 14,9199 |
| BRN | 3563430 |
| 安定性 | 安定。強力な酸化剤とは相容れない。 |
| InChI | 1S/C8H20N.BrH/c1-5-9(6-2,7-3)8-4/h5-8H2,1-4H31H/q+1/p-1 |
| InChIKey | HWCKGOZZJDHMNC-UHFFFAOYSA-M |
| SMILES | [Br-].CC[N+](CC)(CC)CC |
| CAS データベース | 71-91-0(CAS DataBase Reference) |
| NISTの化学物質情報 | Tetraethylammonium bromide(71-91-0) |
| EPAの化学物質情報 | Ethanaminium, N,N,N-triethyl-, bromide (71-91-0) |
化学的特性
white to light yellow crystalline solid
安全性と法規制
| GHS 分類 | This chemical does not meet GHS hazard criteria for 1.6% (5 of 317) of reports.WarningH302 (18.3%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 317 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| 規制情報 | Chemical: Ethanaminium, N,N,N-triethyl-, bromideEthanaminium, N,N,N-triethyl-, bromide (1:1) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Ethanaminium, N,N,N-triethyl-, bromide (1:1) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)Status: Active Update: 23-04-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/19226Tetraethylammonium bromide: HSNO Approval: HSR006306 Approved with controls |
| その他の安全情報 | IMAP assessments - Tetraethylammonium salts: Human health tier II assessment |
| 有害性の概要 | Causes mydriasis, tremor, and changes in motor activity in acute intraperitoneal studies of miceCauses ganglion blockage and lowered blood pressure in acute intravenous studies of cats[RTECS] A skin and strong eye irritantTargets the heart and CNS[Sigma-Aldrich MSDS] |
| Hazard Classes and Categories | Acute Tox. 4 (18.3%)Eye irritation - category 2B |
| Protective Action Criteria (PAC) | 8.4 [mg/m3]92 [mg/m3]550 [mg/m3] |
| F | 3 |
| 水環境危害等級（WGK） | 3 |
| TSCA 収載状態 | TSCA listed |
| RTECS 番号 | BS5950000 |
用途
解説
臭化テトラエチルアンモニウム，シュウカテトラエチルアンモニウム，C8H20BrN(210.16)．(C2H5)4N＋ Br－．略称TEAB．テトラエチルアンモニウムブロミドともいう．トリエチルアミンに臭化エチルを作用させると得られる第四級アンモニウム塩．潮解性結晶．分解点285 ℃．d425"1.3880．水，アセトン，エタノール，クロロホルムに易溶，ベンゼンに難溶．pH 6.5(10％ 水溶液)．ガングリオン阻害剤，血圧降下作用があり，高血圧や末梢血管の診断治療に用いられる．
用途
臭化テトラエチルアンモニウム (tetraethylammonium bromide) は第四級アンモニウム塩である。テトラエチルアンモニウム（英語版）カチオンの供給源として利用される。
使用
Tetraethylammonium Bromide, can be used as a source of tetraethylammonium ions for various pharmaceutical studies. It has also the ability to block K+ channels in various tissues.
一般的な説明
The use of ion-pairing reagents as mobile phase additives allows the separation of ionic and highly polar substances on reversed phase HPLC columns. The purity of mobile phase additives is of utmost importance to their successful application. Sigma-Aldrich offers an outstanding range of tailor-made reagents for anionic (quaternary ammonium and phosphonium salts) and cationic (alkanesulfonates) determination. All mobile phase additives are subject to rigorous testing with special emphasis on the requirements of modern reversed phase HPLC:
製法・合成法
純化方法
Recrystallise the bromide from EtOH, CHCl3 or diethyl ether, or recrystallise it from acetonitrile and dry it over P2O5 under reduced pressure for several days. It also recrystallises from EtOH/diethyl ether (1:2), EtOAc, water or boiling MeOH/acetone (1:3) or by adding an equal volume of acetone and allowing to cool. Dry it at 100o in vacuo for 12 days, and store over P2O5. [Beilstein 4 IV 332.]