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60349-M

Sigma-Aldrich

磷酸钾 二元 三水合物

puriss. p.a., ≥99.0% (T)

同義詞:

无水磷酸氢二钾 三水合物, 磷酸二钾, 磷酸氢二钾 三水合物

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About This Item

線性公式:
K2HPO4 · 3H2O
CAS號碼:
分子量::
228.22
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.21

等級

puriss. p.a.

品質等級

化驗

≥99.0% (T)

形狀

crystalline powder

雜質

≤0.001% total nitrogen (N)

pH值

9.1-9.4 (25 °C, 50 mg/mL in H2O)

負離子痕跡

chloride (Cl-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

As: ≤0.1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES 字串

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

InChI

1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2

InChI 密鑰

XQGPKZUNMMFTAL-UHFFFAOYSA-L

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一般說明

Potassium phosphate dibasic trihydrate (K2HPO4.3H2O, Dipotassium hydrogen phosphate trihydrate, Dipotassium phosphate, di-Potassium hydrogen phosphate trihydrate) is the potassium salt having a pH in the range of 9.1-9.4.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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