04272
磷酸钠 二元 二水合物
meets analytical specification of Ph. Eur., BP, 98.5-101% (calc. to the dried substance)
别名:
sec-磷酸钠, 磷酸二钠, 磷酸氢二钠 二水合物
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关于此项目
线性分子式:
Na2HPO4 · 2H2O
化学文摘社编号:
分子量:
177.99
PubChem Substance ID:
UNSPSC Code:
12161700
NACRES:
NA.25
EC Number:
231-448-7
MDL number:
Assay:
98.5-101% (calc. to the dried substance)
Form:
crystals
Quality Segment
agency
meets analytical specifications of BP, meets analytical specifications of Ph. Eur.
assay
98.5-101% (calc. to the dried substance)
form
crystals
quality
meets analytical specification of Ph. Eur., BP
impurities
reducing matter, complies, residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤1% NaH2PO4 (calc. to dried subst.)
loss
19.5-21% loss on drying, 130 °C
pH
9.0-9.4 (20 °C, 1%)
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤2 mg/kg, Fe: ≤10 mg/kg
suitability
complies for appearance of solution
SMILES string
O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI
1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
InChI key
KDQPSPMLNJTZAL-UHFFFAOYSA-L
Application
磷酸氢二钠二水合物已被用于从人胃肠（GI）道的细菌样品中分离DNA和RNA。
Biochem/physiol Actions
无水磷酸氢二钠是变性凝胶电泳缓冲液的重要组分。
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable