化工社化工社 化学情報印刷レポート · 研究参考用
1,4-ジブロモナフタレン
1,4-ジブロモナフタレン · 1,4‐ジブロモナフタレン · 1,4-DBN · 1,4-dibromo-naphthalen · SKL252 · 1,4-DibromonaphthaL · 1,4-DIBROMONAPHTHALE · Glycerol Impurity 58

識別子と物理属性
| CAS No. | 83-53-4 |
|---|---|
| 分子式 | C10H6Br2 |
| 平均分子量 | 285.96 g/mol |
| 単同位体質量 | 283.88362439 g/mol |
| SMILES | Brc1ccc(Br)c2ccccc12 |
| InChIKey | IBGUDZMIAZLJNY-UHFFFAOYSA-N |
| PubChem CID | 66521 |
| EC No. | 201-484-8 |
| DTXSID | DTXSID6058893 |
| 現地名 | 1,4-ジブロモナフタレン |
化学・物理的性質
| XLogP | 4.8 |
|---|---|
| 極性表面積 | 0 |
| 水素結合供与体数 | 0 |
| 水素結合受容体数 | 0 |
| 回転可能結合数 | 0 |
| 重原子数 | 12 |
| 形式電荷 | 0 |
| 複雑度 | 140 |
| SpringerMaterials Properties | 13C nuclear magnetic resonance spectrum |
| 融点 | 80-82 °C |
| 沸点 | 288.1°C (rough estimate) |
| 密度 | 1.8199 (estimate) |
| 蒸気圧 | 0-93.326Pa at 25℃ |
| 屈折率 | 1.6000 (estimate) |
| 貯蔵条件 | Sealed in dry,Room Temperature |
| 溶解度 | クロロホルム、DMSO(微量)、メタノール(微量)347.9ug/L(25℃) |
| 外観・状態 | 結晶性粉末または結晶 |
| 色 | ホワイトからライトベージュ |
| ヘンリー定数 | 5.8×10-2 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| InChI | InChI=1S/C10H6Br2/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6H |
| InChIKey | IBGUDZMIAZLJNY-UHFFFAOYSA-N |
| SMILES | C1(Br)=C2C(C=CC=C2)=C(Br)C=C1 |
| LogP(分配係数) | 4.95-5.02 |
| CAS データベース | 83-53-4(CAS DataBase Reference) |
| EPAの化学物質情報 | Naphthalene, 1,4-dibromo- (83-53-4) |
化学的特性
light orange-beige fine crystalline powder
安全性と法規制
| GHS 分類 | WarningH315 (69.2%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 13 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| 規制情報 | Status: Active Update: 02-10-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/27156 |
| Hazard Classes and Categories | Skin Irrit. 2 (69.2%) |
| TSCA 収載状態 | TSCA listed |
| 税関コード | 29039990 |
| 危険文句(R) | 36/37/38 |
| 危険表示 | Xi |
| 安全措置(S) | 24/25-26 |
| 危険等級 | IRRITANT |
用途
使用
1,4-Dibromonaphthalene is used in the annelation of PAHs. Also used in the synthesis of novel, orally active dual NK1/NK2 antagonists.
製法・合成法
製造方法
An environment-friendly method was developed to synthesize 1,4-dibromonaphthalene (1,4-DBN) using 1,3-dialkylimidazolium and pyridinium ionic liquids as catalysts, over which the yields of 1,4-DBN were obtained as high as 100%.An environment-friendly method for synthesis of 1,4-dibromo-naphthalene in aqueous solution of ionic liquids