产品价格
| 产品编号 | 品牌 | 纯度规格 | 包装单位 | 单价(元) | 现货 |
| 2808866 | 90% | 1kg | 询价 | 请咨询 | |
| 3031276 | Alfa Aesar | 90% | 250g | 3250 | 请咨询 |
| 3031276 | Alfa Aesar | 90% | 50g | 995 | 请咨询 |
| 3416486 | Sigma-Aldrich | 90% | 50 G | 815 | 请咨询 |
| 3416487 | Sigma-Aldrich | 90% | 100 G | 580 | 请咨询 |
| 3416488 | 90% | 1 EA | 8320 | 请咨询 | |
| 3484759 | 90% | 100g | 询价 | 1 | |
| 3532544 | Strem | 90% | 250g | 1500 | 请咨询 |
| 3532544 | Strem | 90% | 50g | 468 | 请咨询 |
| 3536669 | Strem | 90% | 100g | 1810 | 请咨询 |
| 3536669 | Strem | 90% | 500g | 6610 | 请咨询 |
| 4018597 | Alfa Aesar | 90% | 1kg | 3480 | 请咨询 |
| 4018597 | Alfa Aesar | 90% | 2.5kg | 8700 | 请咨询 |
| 4018597 | Alfa Aesar | 90% | 250g | 997 | 请咨询 |
| 4093051 | Sigma-Aldrich | 90% | 30 G | 718 | 请咨询 |
结构式
 |
基本信息
| MDL | MFCD00011520 |
| EINECS | 235-111-5 |
| 分子式 | B4C |
| 分子量 | 55.26 |
| 熔点 | 2350° |
| 密度 | 2.52 |
| 形态 | 1-7 Micron Powder |
| Merck | 14,1344 |
| 危险类别 | 20-36/37/38 Harmful by inhalation.Irritating to eyes, respiratory system and skin. |
安全信息
| 安全等级 | 9-26-36/37 Keep container in a well-ventilated place.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves. |
| RTECS | ED7420000 |
| 欧盟危险品标志 |  |
| TSCA | 是 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H332-H315-H319-H335 Harmful if inhaled.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. |
| Precautionary Statements | P261-P280a-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. |