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3,4-ジフルオロ安息香酸
3,4-ジフルオロ安息香酸 · Benzoic acid, 3,4-difluoro- · NSC 190686 · TIMTEC-BB SBB006721 · RARECHEM AL BO 0269 · 3,4-Difluorobenzoic · 3,4-Difluorbenzoesure · 3,4-Difluorbenzoicacid

識別子と物理属性
| CAS No. | 455-86-7 |
|---|---|
| 分子式 | C7H4F2O2 |
| 平均分子量 | 158.1 g/mol |
| 単同位体質量 | 158.01793581 g/mol |
| SMILES | O=C(O)c1ccc(F)c(F)c1 |
| InChIKey | FPENCTDAQQQKNY-UHFFFAOYSA-N |
| PubChem CID | 99166 |
| EC No. | 207-249-6 |
| DTXSID | DTXSID60196539 |
| 現地名 | 3,4-ジフルオロ安息香酸 |
化学・物理的性質
| XLogP | 1.8 |
|---|---|
| 極性表面積 | 37.3 |
| 水素結合供与体数 | 1 |
| 水素結合受容体数 | 4 |
| 回転可能結合数 | 1 |
| 重原子数 | 11 |
| 形式電荷 | 0 |
| 複雑度 | 161 |
| 物質分類 | Other Classes -> Benzoic Acid Derivatives |
| Physical Description | White crystalline powderOdorless[Alfa Aesar MSDS] |
| 融点 | 120-122 °C(lit.) |
| 沸点 | 257.0±20.0 °C(Predicted) |
| 密度 | 1.3486 (estimate) |
| 貯蔵条件 | Sealed in dry,Room Temperature |
| 溶解度 | クロロホルム(微量)、メタノール(微量)冷水にわずかに溶ける |
| pKa(酸解離定数) | 3.80±0.10(Predicted) |
| 外観・状態 | 個体 |
| 色 | 白い |
| BRN | 2085848 |
| InChI | InChI=1S/C7H4F2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,(H,10,11) |
| InChIKey | FPENCTDAQQQKNY-UHFFFAOYSA-N |
| SMILES | C(O)(=O)C1=CC=C(F)C(F)=C1 |
| CAS データベース | 455-86-7(CAS DataBase Reference) |
| NISTの化学物質情報 | 3,4-Difluorobenzoic acid(455-86-7) |
| EPAの化学物質情報 | Benzoic acid, 3,4-difluoro- (455-86-7) |
化学的特性
white to light yellow crystal powder
安全性と法規制
| GHS 分類 | WarningH302 (83.7%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, 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 49 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| 規制情報 | PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.3,4-Difluorobenzoic acid: Does not have an individual approval but may be used under an appropriate group standard |
| 有害性の概要 | A skin and strong eye irritant[Alfa Aesar MSDS] |
| Hazard Classes and Categories | Acute Tox. 4 (83.7%) |
| 水環境危害等級(WGK) | 3 |
| TSCA 収載状態 | TSCA listed |
| 税関コード | 29163900 |
| 危険文句(R) | 22-36/37/38 |
| 危険表示 | Xn |
| 安全措置(S) | 26-37/39 |
| 危険等級 | Eye Irrit. 2Skin Irrit. 2 |
| 貯蔵分類 | 11 - Combustible Solids |
用途
用途
有機合成原料。
使用
3,4-Difluoro-benzoic Acid is a useful synthetic intermediate. It is used to synthesize 2-arylbenzimidazole derivatives as melanin-concentrating hormone receptor 1 (MCH-R1) antagonists.
一般的な説明
Ultra-trace determination of 3,4-difluorobenzoic acid in aqueous reservoir fluids has been reported using solid-phase extraction in combination with GC-MS.