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CAS RN: 95-54-5 | 產品號碼: P0968
1,2-Phenylenediamine
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| 產品號碼 | P0968 |
| 純度/分析方法 | >98.0%(GC)(T) |
| 分子式 / 分子量 | C__6H__8N__2 = 108.14 |
| 外觀與形狀（20°C） | Solid |
| 儲存條件 | Refrigerated (0-10°C) |
| 儲存在惰性氣體下 | Store under inert gas |
| 應避免的情況 | Light Sensitive,Air Sensitive,Heat Sensitive |
| CAS RN | 95-54-5 |
| Reaxys-RN | 606074 |
| PubChem Substance ID | 87575082 |
| SDBS (AIST Spectral DB) | 2795 |
| Merck Index(14) | 7284 |
| Colour Index | 76010 |
| MDL編號 | MFCD00007721 |
產品規格
| Appearance | White to Almost white powder to crystal |
| Purity(GC) | min. 98.0 % |
| Purity(Nonaqueous Titration) | min. 98.0 % |
| Melting point | 100.0 to 105.0 °C |
| Absorbance | max. 0.010(20g/L, H2O, 450nm) |
性質
| 熔點 | 103 °C |
| 沸點 | 265 °C |
| 水溶性 | Soluble |
| Degree of solubility in water | 41 g/l 35 °C |
| 溶解性（可溶於） | Benzene, Acetone |
GHS
| 圖形表示 |
|
| 信號詞 | Danger |
| 危險性說明 | H330 : Fatal if inhaled. H302 + H312 : Harmful if swallowed or in contact with skin. H319 : Causes serious eye irritation. H371 : May cause damage to organs. H370 : Causes damage to organs. H373 : May cause damage to organs through prolonged or repeated exposure. H317 : May cause an allergic skin reaction. H341 : Suspected of causing genetic defects. H351 : Suspected of causing cancer. H410 : Very toxic to aquatic life with long lasting effects. |
| 防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P273 : Avoid release to the environment. P272 : Contaminated work clothing should not be allowed out of the workplace. P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. P202 : Do not handle until all safety precautions have been read and understood. P201 : Obtain special instructions before use. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P284 : Wear respiratory protection. P391 : Collect spillage. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P362 + P364 : Take off contaminated clothing and wash it before reuse. P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. P405 : Store locked up. |
相關法規
| RTECS # | SS7875000 |
運輸資料
| UN編號 | UN1673 |
| 類別 | 6.1 |
| 包裝類別 | III |
| HS編碼* | 2921.51-000 |
Application
Synthesis of Benzimidazole Using Gold’s Reagent
A dry, three-necked, round-bottomed flask is equipped with a condenser, thermometer, magnetic stirrer and is placed under a nitrogen atmosphere. Into the flask is placed 100 mL of dry 1,4-dioxane along with 5.4 g (0.05 mol) of 1,2-phenylenediamine and 9.9 g (0.061 mol) of Gold’s reagent. The mixture is refluxed overnight, cooled to room temperature and 4.1 g (0.05 mol) of anhydrous sodium acetate and 2 mL of glacial acetic acid are added. The resulting mixture is refluxed for 3 hours, cooled to room temperature and the solvent is removed in vacuo. The residue is taken up in chloroform (100 mL), extracted with a saturated, aqueous solution of sodium bicarbonate (3 x 50 mL) and dried over anhydrous magnesium sulfate. After removing the drying agent by filtration, the chloroform extract is concentrated in vacuo to leave a solid which is collected by vacuum filtration with the aid of a small amount (15 mL) of water. The resulting benzimidazole amounts to 3.7 g (63% yield).
References
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![1,2-Phenylenediamine [for Biochemical Research]](/medias/P1805.jpg?context=bWFzdGVyfHJvb3R8MzcwNDN8aW1hZ2UvanBlZ3xhREl3TDJnNU5pODRPVE15TURNNE56TTNPVFV3TDFBeE9EQTFMbXB3Wnd8MGVhYTdmNzkwZmNlODhjNGNhM2YxYTNmZTU4MDg1MDI2NmY1MGVjYjBlM2E1MDAwNjYxYzE1ZGM2ZWU3YjBkMQ "1,2-Phenylenediamine [for Biochemical Research]")