| CAS Number | Chemical Formula | Molecular Weight | Purity | Grade |
| 7778-77-0 | KH2PO4 | 136.09 | ≥99% | Reagent grade |
基本信息(General Information):
| Name (Chinese) | 磷酸二氢钾 |
|
| Name (English) | Potassium phosphate monobasic | |
| Specifications | Reagent grade, ≥99.0% | |
| Synonym (Chinese) | 无水磷酸二氢钾, 磷酸一钾, 磷酸二氢钾 | |
| Synonym (English) | Monopotassium phosphate; Potassium dihydrogen phosphate; prim.-Potassium phosphate | |
| Beilstein Registry No | - | |
| EINECS Number | 231-913-4 | |
| MDL Number | MFCD00011401 | |
| UNSPSC Code | 12352300 |
产品描述(Description):
| General description | 磷酸二氢钾(正磷酸一钾)是一种水溶性无机盐。其标准生成焓为-376.1kcal/mol。 它是合成偏磷酸钾的原料。 |
| Application | 磷酸二氢钾已用于制备phosphate buffer和phosphate buffered saline (PBS)。它还用于制备PEG1000(聚乙二醇)/磷酸钾水溶液双水相体系(ATPS)。 |
性质(Properties)：
| pKa (25℃) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| impurities | <=0.2 % Insoluble matter |
| loss | <=1.0 % loss on drying |
| assay | >=99.0% |
| density | 2.338 g/mL at 25°C(lit.) |
| mp | 252.6°C(lit.) |
| pH | 4.2‐4.7 (10g/L H2O) |
| grade | ACS reagent |
| cation traces | heavy metals (as Pb): <=0.001% |
安全信息(Safety Information)：
| Hazard Pictogram Codes | - |
| Signal Word | - |
| Hazard Statements | - |
| Precautionary Statements | - |
| Personal Protective Equipment | - |
| Hazard Codes (Europe) | - |
| Risk Codes (Europe) | - |
| Safety Codes (Europe) | - |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 1 |
| RTECS | TC6615500 |
| Flash Point (F) | - |
| Flash Point (C) | - |
包装清单:
| 产品编号 | 产品名称 | 包装 |
| ST1600-100g | 磷酸二氢钾(≥99%, Reagent grade) | 100g |
| ST1600-500g | 磷酸二氢钾(≥99%, Reagent grade) | 500g |
| ST1600-2.5kg | 磷酸二氢钾(≥99%, Reagent grade) | 2.5kg |
| － | 说明书 | 1份 |
保存条件:
室温保存。
注意事项：
本产品仅限于专业人员的科学研究用，不得用于临床诊断或治疗，不得用于食品或药品，不得存放于普通住宅内。
为了您的安全和健康，请穿实验服并戴一次性手套操作。
