焦亚硫酸钾
Potassium metabisulfite
| CAS NO： | 16731-55-8 |
| 规格： | ，AR，AR，95%，GR，98% |
| 包装规格： | 100g，500g，2kg，500 G，250 G，1 KG，1 G，25g，2.5kg，500克，1g，1 KG，2.5 KG |
| 优惠价： | QQ在线咨询在线留言 |
产品价格
| 产品编号 | 品牌 | 纯度规格 | 包装单位 | 单价(元) | 现货 |
| 3058327 | Alfa Aesar | 95+% | 100g | 542 | 请咨询 |
| 3058327 | Alfa Aesar | 95+% | 500g | 1710 | 请咨询 |
| 3058327 | Alfa Aesar | 95+% | 2kg | 5720 | 请咨询 |
| 3190135 | Sigma-Aldrich | 95+% | 500 G | 1300 | 请咨询 |
| 3190137 | Sigma-Aldrich | 95+% | 250 G | 448 | 请咨询 |
| 3190139 | Sigma-Aldrich | 95+% | 1 KG | 609 | 请咨询 |
| 3190140 | Supelco | 95+% | 1 G | 938 | 请咨询 |
| 3469506 | 翁江 | AR | 500g | 40 | 请咨询 |
| 3472329 | TCI | 95+% | 25g | 294 | 请咨询 |
| 3472329 | TCI | 95+% | 500g | 1630 | 请咨询 |
| 3481058 | Alfa Aesar | 95+% | 25g | 796 | 请咨询 |
| 3481058 | Alfa Aesar | 95+% | 500g | 1056 | 请咨询 |
| 3481058 | Alfa Aesar | 95+% | 2.5kg | 2810 | 请咨询 |
| 3488719 | Ryon | AR，95% | 500克 | 92 | 请咨询 |
| 3488719 | Ryon | GR，98% | 500克 | 300 | 请咨询 |
| 3546662 | AccuStandard | 95+% | 1g | 278 | 请咨询 |
| 4031708 | Alfa Aesar | 95+% | 2.5kg | 2750 | 请咨询 |
| 4032681 | Alfa Aesar | 95+% | 500g | 673 | 请咨询 |
| 4032823 | Alfa Aesar | 95+% | 500g | 809 | 请咨询 |
| 4059034 | Supelco | 95+% | 500 G | 689 | 请咨询 |
| 4059034 | Supelco | 95+% | 1 KG | 1062 | 请咨询 |
| 4059034 | Supelco | 95+% | 2.5 KG | 2020 | 请咨询 |
结构式
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基本信息
| 应用 | It serves as a component of certain photographic developers and its solution is used in photographic fixing, in the textile industry for dyeing and cotton printing. It is utilized to precipitate gold from solution in aqua regia. |
| 备注 | Air sensitive. Incompatible with oxidizing agents, acids, sodium nitrate and sodium nitrite. |
| MDL | MFCD00167605 |
| EINECS | 240-795-3 |
| 分子式 | K2S2O5 |
| 分子量 | 222.32 |
| 熔点 | 190° dec. |
| 灵敏度 | Air Sensitive. Store under Nitrogen. Ambient temperatures. |
| 形态 | Powder |
| 溶解性 | Soluble in water. Insoluble in ethanol. |
| Merck | 14,7645 |
| 危险类别 | 31-41 Contact with acids liberates toxic gas.Risk of serious damage to eyes. |
安全信息
| 安全等级 | 26-39-60 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.This material and its container must be disposed of as hazardous waste |
| TSCA | 是 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H315-H319-H335 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. |