|
CAS Number
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Chemical Formula
|
Molecular Weight
|
Purity
|
Grade
|
|
7778-77-0
|
KH2PO4
|
136.09
|
≥99%
|
Reagent grade
|
基本信息(General Information):
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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。
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