04269
磷酸二氢钠二水合物 二水合物
meets analytical specification of Ph. Eur., BP, USP, E 339, 98-100.5% (calc. to the dried substance)
别名:
磷酸二氢钠 二水合物
选择规格
关于此项目
Quality Segment
assay
98-100.5% (calc. to the dried substance)
form
powder or crystals
quality
meets analytical specification of Ph. Eur., BP, USP, E 339
impurities
heavy metals (as Pb), complies, organic volatile impurities, complies, reducing matter, complies, related substances, complies, residual solvents, complies, ≤0.2% water-insoluble matter
loss
21.5-24.0% loss on drying, 130 °C
pH
4.1-5.0 (20 °C, 1%), 4.2-4.5 (20 °C, 5%)
anion traces
chloride (Cl-): ≤50 mg/kg, fluoride (F-): ≤10 mg/kg, sulfate (SO42-): ≤200 mg/kg
cation traces
Al:, in accordance, As: ≤1 mg/kg, Ca: ≤20 mg/kg, Ca:, in accordance, Cd: ≤1 mg/kg, Cu: ≤10 mg/kg, Fe: ≤5 mg/kg, Hg: ≤1 mg/kg, Mg: ≤20 mg/kg, Pb: ≤4 mg/kg, Zn: ≤10 mg/kg
suitability
complies for appearance of solution
SMILES string
O.O.[Na+].OP(O)([O-])=O
InChI
1S/Na.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+1;;;/p-1
InChI key
VBJGJHBYWREJQD-UHFFFAOYSA-M
Application
Biochem/physiol Actions
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存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable