| 中文名 | 铬 |
| 英文名 | Chromium(III) atomic absorptionstandard solution |
| 别名 | 铬 铬粉 铬片 铬粒 金属铬 铬单晶片 铬(微晶) 铬溅射耙材 含铬色料的通称 铬测定用标准溶液 |
| 英文别名 | Chrome Chromium(III) Chromium powder ChroMiuM solution Chromium ICP Std. ChromiumpelletsNmm ChromiumpowderNmesh ChroMiuM(VI) standard ChromiumflakesNmmanddown Chromiumlumpelectrolytic LANTHANUM 1,000PPM FOR ICP Chromium solution 1000 ppm Chromium solution 10 000ppm chromium coating quality balzers0.7-3.5 mm Chromium(III) atomic absorptionstandard solution |
| CAS | 7440-47-3 |
| EINECS | 231-157-5 |
| 化学式 | Cr |
| 分子量 | 52 |
| InChI | InChI=1/Cr |
| 密度 | 7.14 g/mL at 25 °C (lit.) |
| 熔点 | 1857 °C (lit.) |
| 沸点 | 2672 °C (lit.) |
| 闪点 | 50°F |
| 水溶性 | Insoluble in water. |
| PH值 | <1 (H2O, 20°C) |
| 存储条件 | no restrictions. |
| 稳定性 | 稳定。与碳酸盐，强碱，无机酸，锂，二氧化硫，强酸不相容。 |
| 外观 | 粉末 |
| 比重 | 7.2 |
| 颜色 | Silver-gray |
| 气味 | Odorless |
| Merck | 13,2252 |
| 暴露限值 | TLV-TWA: chromium metal 0.5 mg/m3(ACGIH and MSHA), 1 mg/m3(OSHA);Cr(II) and Cr(III) compounds 0.5 mg/m3(ACGIH); Cr(VI)compounds, water solubleand certain water insoluble, 0.05mg/m3(ACGIH). |
