方案

≥95% H₄P₂O₇ basis

杂质

≤0.001% heavy metals (as Pb)

痕量阳离子

Fe: ≤20 mg/kg
Na: ≤20 mg/kg

SMILES字符串

OP(O)(=O)OP(O)(O)=O

InChI

1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)

InChI key

XPPKVPWEQAFLFU-UHFFFAOYSA-N