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偏二亚硫酸钠
Sodium metabisulfite
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产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
3059746 | 500g | 386 | |||
3059746 | 2500g | 732 | |||
3059746 | 10000g | 2370 |
产品别名
7681-57-4
偏二亚硫酸钠
Sodium metabisulfite
Sodium pyrosulfite
Sodium sulfite
基本信息
应用 | Sodium metabisulfite is used as an active ingredient in campden tablets, as a cleaning agent for potable water reverse osmosis membranes, as a preservative and an antioxidant in food. It also acts as a corrosion inhibitor in oil and gas industry, as a bleaching agent in the production of coconut cream, as the source of sulfur dioxide and in the destruction of cyanide in commercial gold cyanidation processes. It is utilized in the precipitation of gold from auric acid as well as in the waste water treatment to remove hexavaent chromium as trivalent chromium by precipitation after reduction. Further, it is used in photography. In addition, it plays as an oxygen scavenger to eliminate the dissolved oxygen in wastewater and in pipes. |
备注 | Moisture and air sensitive. Incompatible with strong oxidizing agents and strong acids. |
MDL | MFCD00167602 |
EINECS | 231-673-0 |
分子式 | Na2O5S2 |
分子量 | 190.10 |
熔点 | >300° |
密度 | 1.480 |
灵敏度 | Moisture Sensitive. Air Sensitive. Store under Nitrogen. Ambient temperatures. |
形态 | Powder |
溶解性 | Soluble in water, ethanol and glycerol. |
Merck | 14,8638 |
危险类别 | 22-31-41 Harmful if swallowed.Contact with acids liberates toxic gas.Risk of serious damage to eyes. |
安全信息
安全等级 | 26-39-46 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear eye/face protection.If swallowed, seek medical advice immediately and show this container or label. |
RTECS | UX8225000 |
欧盟危险品标志 | |
TSCA | 是 |
GHS危害和防范说明
GHS符号 | |
Hazard Statements | H302-H318 Harmful if swallowed.Causes serious eye damage. |
Precautionary Statements | P280i-P264-P305+P351+P338-P310a-P301+P312a-P501a Wear eye/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Dispose of contents/container in accordance with local/regional/national/international regulations. |