5-メチルサリチル酸
5-メチルサリチル酸 · 6-ヒドロキシ-m-トルイル酸 · p-ホモサルチル酸 · 2-ヒドロキシ-5-メチルベンゼンカルボン酸 · 5-メチル-2-ヒドロキシ安息香酸 · 2-ヒドロキシ-5-メチル安息香酸 · p-クレソチン酸 · α-クレソチン酸

識別子と物理属性
| CAS No. | 89-56-5 |
|---|---|
| 分子式 | C8H8O3 |
| 平均分子量 | 152.15 g/mol |
| 単同位体質量 | 152.04734412 g/mol |
| SMILES | Cc1ccc(O)c(C(=O)O)c1 |
| InChIKey | DLGBEGBHXSAQOC-UHFFFAOYSA-N |
| PubChem CID | 6973 |
| ChEMBL | CHEMBL1161012 |
| EC No. | 201-918-6 |
| DTXSID | DTXSID20237472 |
| 現地名 | 5-メチルサリチル酸 |
化学・物理的性質
| XLogP | 2.8 |
|---|---|
| 極性表面積 | 57.5 |
| 水素結合供与体数 | 2 |
| 水素結合受容体数 | 3 |
| 回転可能結合数 | 1 |
| 重原子数 | 11 |
| 形式電荷 | 0 |
| 複雑度 | 155 |
| 融点 | 150-154 °C (lit.) |
| 沸点 | 234.6°C (rough estimate) |
| 密度 | 1.2143 (rough estimate) |
| 屈折率 | 1.4945 (estimate) |
| 貯蔵条件 | Sealed in dry,Room Temperature |
| 外観・状態 | 粉 |
| pKa(酸解離定数) | pK1:4.08 (25°C) |
| 色 | 白からベージュ |
| 溶解度 | 21.9g/L(100℃) |
| Merck | 14,2582 |
| BRN | 1909076 |
| InChI | 1S/C8H8O3/c1-5-2-3-7(9)6(4-5)8(10)11/h2-4,9H,1H3,(H,10,11) |
| InChIKey | DLGBEGBHXSAQOC-UHFFFAOYSA-N |
| SMILES | Cc1ccc(O)c(c1)C(O)=O |
| CAS データベース | 89-56-5(CAS DataBase Reference) |
| NISTの化学物質情報 | 5-Methylsalicylic acid(89-56-5) |
化学的特性
5-Methylsalicylic acid is a white to beige powder that is soluble in basic water and in polar organic solvents. At neutral pH, the acid exists as 5-methylsalicylate Its functional groups include a carboxylic acid and a phenol group. It is one of four isomers of methylsalicylic acid.
安全性と法規制
| GHS 分類 | WarningH302 (98%): 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 50 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Hazard Classes and Categories | Acute Tox. 4 (98%) |
| 水環境危害等級(WGK) | 3 |
| RTECS 番号 | GP3920200 |
| 税関コード | 29182110 |
| 危険文句(R) | 22-37/38-41-36/37/38 |
| 危険表示 | Xn,Xi |
| 安全措置(S) | 26-36/39-22-36 |
| 危険等級 | Acute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3 |
| 貯蔵分類 | 11 - Combustible Solids |
用途
使用
Toxicity is similar to salicylic acid. 5-Methylsalicylic acid is used in manufacturing of dyes.
一般的な説明
5-Methylsalicylic acid exhibits a significant cross-reactivity during fluorescent polarization immunoassay for salicylates in serum.
製法・合成法
製造方法
5-Methylsalicylic acid can be prepared by hydroxylation of 3-methylbenzoic acid.
純化方法
Crystallise the acid from H2O. [Beilstein 10 H 227, 10 II 134, 10 III 516, 10 IV 610.]