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Merck
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60353

Sigma-Aldrich

磷酸钾二元 二元

anhydrous, for luminescence, for molecular biology, BioUltra, ≥99.0% (T)

别名:

磷酸二钾, 磷酸氢二钾

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About This Item

线性分子式:
K2HPO4
CAS号:
7758-11-4
分子量:
174.18
EC號碼:
231-834-5
MDL號碼:
MFCD00011383
分類程式碼代碼:
12161700
eCl@ss:
38070212
PubChem物質ID:
57651752
NACRES:
NA.25

等級

for luminescence
for molecular biology

產品線

BioUltra

化驗

≥99.0% (T)

形狀

powder or crystals

雜質

DNases, none detected
 RNases, none detected
 insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected

pH值

8.7-9.3 (25 °C, 1 M in H2O)

溶解度

H2O: 1 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

正離子痕跡

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤5000 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

&lambda ；

1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.20
λ: 280 nm Amax: ≤0.15

SMILES 字串

[K+].[K+].OP([O-])([O-])=O

InChI

1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI 密鑰

ZPWVASYFFYYZEW-UHFFFAOYSA-L

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應用

磷酸二氢钾和氢氧化钾用于制备磷酸盐缓冲溶液，如生物应用中使用的磷酸钾缓冲水和盐溶液。

儲存類別代碼

13 - Non Combustible Solids

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

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