七水磷酸氢二钠
Sodium hydrogen phosphate heptahydrate



产品价格
| 产品编号 | 品牌 | 纯度规格 | 包装单位 | 单价(元) | 现货 |
| 3059692 | Alfa Aesar | ACS, 98.0-102.0% | 500g | 1120 | 请咨询 |
| 3059692 | Alfa Aesar | ACS, 98.0-102.0% | 2kg | 2180 | 请咨询 |
| 3241537 | Sigma-Aldrich | ACS, 98.0-102.0% | 50 G | 1330 | 请咨询 |
| 3241537 | Sigma-Aldrich | ACS, 98.0-102.0% | 250 G | 2920 | 请咨询 |
| 3241538 | Sigma-Aldrich | ACS, 98.0-102.0% | 100 G | 627 | 请咨询 |
| 3241538 | Sigma-Aldrich | ACS, 98.0-102.0% | 500 G | 1220 | 请咨询 |
| 3241538 | Sigma-Aldrich | ACS, 98.0-102.0% | 1 KG | 2220 | 请咨询 |
| 3241538 | Sigma-Aldrich | ACS, 98.0-102.0% | 2.5 KG | 3320 | 请咨询 |
| 3241539 | Sigma-Aldrich | ACS, 98.0-102.0% | 250 G | 1390 | 请咨询 |
| 3241539 | Sigma-Aldrich | ACS, 98.0-102.0% | 500 G | 2160 | 请咨询 |
| 3241539 | Sigma-Aldrich | ACS, 98.0-102.0% | 1 KG | 2790 | 请咨询 |
| 3241539 | Sigma-Aldrich | ACS, 98.0-102.0% | 3 KG | 5260 | 请咨询 |
| 3446893 | Ryon | AR,98% | 500克 | 57 | 请咨询 |
| 3476188 | Alfa Aesar | ACS, 98.0-102.0% | 1kg | 1960 | 请咨询 |
| 3476188 | Alfa Aesar | ACS, 98.0-102.0% | 500g | 1280 | 请咨询 |
| 3476188 | Alfa Aesar | ACS, 98.0-102.0% | 5kg | 7210 | 请咨询 |
| 3477461 | Alfa Aesar | ACS, 98.0-102.0% | 250g | 1095 | 请咨询 |
| 3477461 | Alfa Aesar | ACS, 98.0-102.0% | 500g | 1550 | 请咨询 |
| 3477461 | Alfa Aesar | ACS, 98.0-102.0% | 2.5kg | 3950 | 请咨询 |
| 3485878 | 生工 | 试剂 | 500G | 240 | 4 |
| 3523619 | J&K | ACS, 98.0-102.0% | 250G | 414 | 请咨询 |
| 3523619 | J&K | ACS, 98.0-102.0% | 500G | 719 | 请咨询 |
| 4023288 | Alfa Aesar | ACS, 98.0-102.0% | 3kg | 3190 | 请咨询 |
| 4025484 | Alfa Aesar | ACS, 98.0-102.0% | 500g | 487 | 请咨询 |
| 4029831 | Alfa Aesar | ACS, 98.0-102.0% | 1kg | 703 | 请咨询 |
| 4032666 | Alfa Aesar | ACS, 98.0-102.0% | 500g | 649 | 请咨询 |
| 4033307 | Alfa Aesar | ACS, 98.0-102.0% | 3kg | 1850 | 请咨询 |
| 4058609 | Supelco | ACS, 98.0-102.0% | 1 KG | 1270 | 请咨询 |
| 4058609 | Supelco | ACS, 98.0-102.0% | 25 KG | 10520 | 请咨询 |
| 4171032 | Amethyst | ACS, 98.0-102.0% | 100G | 181 | 请咨询 |
| 4171032 | Amethyst | ACS, 98.0-102.0% | 500G | 723 | 请咨询 |
结构式
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基本信息
| 应用 | Sodium hydrogen phosphate is widely used in detergents and cleaning agents. Combined with trisodium phosphate, it is employed in the food industry to adjust the pH and in water treatment to prevent calcium scale formation. It is utilized as a saline laxative to clean the bowel before a colonoscopy. It prevents the coagulation of condensed milk. It is also utilized as anti-caking additive in powdered products. It enhances the cook time and used as thickening agent in desserts and puddings. |
| 备注 | Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong acids and bases. |
| MDL | MFCD00149180 |
| EINECS | 231-448-7 |
| 分子式 | Na2HPO4?7H2O |
| 分子量 | 268.07 (141.98anhy) |
| 熔点 | 48.1°-5H{2}O |
| 密度 | 1.7 |
| 灵敏度 | Ambient temperatures. |
| 形态 | Crystalline |
| 溶解性 | Soluble in water and insoluble in ethanol. |
| Merck | 14,8659 |
| 危险类别 | 36/37/38 Irritating to eyes, respiratory system and skin. |
Grade Specifications
| Grade Specifications | Maximum level of impurities: pH of a 5% solution 8.7-9.3 at 25??, Insoluble matter 0.005%, Cl 0.001%, SO4 0.005%, Heavy Metals (as Pb) 0.001%, Fe 0.001% |
安全信息
| 安全等级 | 26-37-60 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste |
| RTECS | WC4600000 |
| 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. |











