PX1562
磷酸二氢钾 一元
HPLC, Meets ACS Specifications
别名:
prim.-磷酸钾, 磷酸二氢钾
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关于此项目
线性分子式:
KH2PO4
化学文摘社编号:
分子量:
136.09
UNSPSC Code:
12352302
EC Index Number:
231-913-4
MDL number:
Assay:
≥99%
Grade:
ACS reagent
Form:
crystals
Solubility:
soluble 208 g/L
产品名称
磷酸二氢钾 一元, HPLC, Meets ACS Specifications
InChI
1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
SMILES string
[K+].OP(O)([O-])=O
InChI key
GNSKLFRGEWLPPA-UHFFFAOYSA-M
grade
ACS reagent
assay
≥99%
form
crystals
technique(s)
HPLC: suitable
impurities
≤0.01% Insoluble matter
loss
≤0.2% loss on drying, 105°C
pH
4.2-4.6 (20 °C, 20 g/L in H2O)
mp
252.6 °C (lit.)
solubility
soluble 208 g/L
density
2.338 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.003%
cation traces
Fe: ≤0.002%
Na: ≤0.005%
heavy metals: ≤0.001%
UV absorption
λ: 254 nm Amax: ≤0.04
shipped in
ambient
storage temp.
room temp
Quality Level
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相关类别
Analysis Note
Assay99.0% minChloride (Cl)0.001% maxFormWhite crystalsHeavy Metals (by ICP-OES)0.001% maxInsoluble matter0.01% maxIron (Fe)0.002% maxLoss on drying (105°C)0.2% maxSodium (Na)0.005% maxSulfate (SO4)0.003% maxUV Absorbance (1 M, water, 254 nm)0.04AU maxpH of a 5% solution at 25°C4.1-4.5
Application
HPLC, Meets ACS Specifications
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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