钨酸钠
Sodium tungstate dihydrate
| CAS NO： | 10213-10-2 |
| 规格： | ，AR，AR，99.5% |
| 包装规格： | 25kg，250g，1kg，100g，500g，50 G，100 G，25 G，5 G，500 G，5g，100克，500克，25G，250 G，1 KG，1 KG，25 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 |
| 2800421 | 99% | 25kg | 询价 | 请咨询 | |
| 3059889 | Alfa Aesar | 99% | 250g | 862 | 请咨询 |
| 3059889 | Alfa Aesar | 99% | 1kg | 2330 | 请咨询 |
| 3059890 | Alfa Aesar | 99% | 100g | 1210 | 请咨询 |
| 3059890 | Alfa Aesar | 99% | 500g | 2300 | 请咨询 |
| 3241820 | Sigma-Aldrich | 99% | 50 G | 719 | 请咨询 |
| 3241820 | Sigma-Aldrich | 99% | 100 G | 917 | 请咨询 |
| 3241821 | Sigma-Aldrich | 99% | 25 G | 681 | 请咨询 |
| 3241821 | Sigma-Aldrich | 99% | 100 G | 2510 | 请咨询 |
| 3241823 | Sigma-Aldrich | 99% | 5 G | 925 | 请咨询 |
| 3241823 | Sigma-Aldrich | 99% | 25 G | 2790 | 请咨询 |
| 3241824 | Sigma-Aldrich | 99% | 5 G | 682 | 请咨询 |
| 3241824 | Sigma-Aldrich | 99% | 100 G | 1810 | 请咨询 |
| 3241824 | Sigma-Aldrich | 99% | 500 G | 2820 | 请咨询 |
| 3470119 | 翁江 | AR | 500g | 询价 | 请咨询 |
| 3470119 | 翁江 | AR | 25KG | 询价 | 请咨询 |
| 3473878 | Alfa Aesar | 99% | 5g | 544 | 请咨询 |
| 3473878 | Alfa Aesar | 99% | 100g | 1600 | 请咨询 |
| 3473878 | Alfa Aesar | 99% | 500g | 4510 | 请咨询 |
| 3484865 | AR | 500g | 询价 | 1 | |
| 3485119 | AR | 500g | 询价 | 1 | |
| 3486937 | Ryon | AR，99.5% | 100克 | 询价 | 请咨询 |
| 3486937 | Ryon | AR，99.5% | 500克 | 询价 | 请咨询 |
| 3523649 | J&K | 99% | 25G | 询价 | 请咨询 |
| 3523649 | J&K | 99% | 100G | 询价 | 请咨询 |
| 3541232 | Strem | 99% | 100g | 976 | 请咨询 |
| 3541232 | Strem | 99% | 500g | 2760 | 请咨询 |
| 4057932 | Supelco | 99% | 250 G | 2030 | 请咨询 |
| 4057932 | Supelco | 99% | 1 KG | 4620 | 请咨询 |
| 4057933 | Supelco | 99% | 1 KG | 3700 | 请咨询 |
| 4057933 | Supelco | 99% | 25 KG | 74050 | 请咨询 |
结构式
 |
基本信息
| 应用 | In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones. Used in examining the serum protein, serum protein-free filtrate. Used as alkaloid precipitating agent. Used in manufacture of metal tungsten, tungstate and tungsten oxide. Waterproof and fireproof fabric. |
| 备注 | Keep in cool places. |
| MDL | MFCD00149190 |
| EINECS | 236-743-4 |
| 分子式 | Na2WO4?2H2O |
| 分子量 | 329.86 (293.83anhy) |
| 熔点 | 100° -2H{2}O |
| 密度 | 3.250 |
| 灵敏度 | Ambient temperatures. |
| 形态 | Crystalline |
| 溶解性 | Soluble in water. Insoluble in alcohol. |
| Merck | 14,8698 |
| 危险类别 | 22-36 Harmful if swallowed.Irritating to eyes. |
安全信息
| 安全等级 | 26-36-60 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste |
| RTECS | YO7900000 |
| 欧盟危险品标志 |  |
| TSCA | 是 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H302-H319 Harmful if swallowed.Causes serious eye irritation. |
| Precautionary Statements | P280i-P264-P305+P351+P338-P301+P312a-P337+P313-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 eye irritation persists: Get medical advice/attention.Dispose of contents/container in accordance with local/regional/national/international regulations. |