Nomenclature
CAS number: 7790-28-5
Periodic acid (HIO
4) sodium salt (1:1); sodium periodate.
INaO
4; mol wt 213.89.
I 59.33%, Na 10.75%, O 29.92%.
NaIO
4.
Description and references
Synthesis starting with sodium iodide: Inorg. Synth. 2, 212 (1946) and 1, 170 (1939).
Properties
White, tetragonal crystals, d416 3.865. Dec ≈300°.
Sol in cold water, sulfuric, nitric, acetic acids.Derivative
Trihydrate.
Nomenclature
CAS number: 13472-31-6
INaO
4.3H
2O; mol wt 267.94.
I 47.36%, Na 8.58%, O 41.80%, H 2.26%.
Properties
White, efflorescent, trigonal crystals, d418 3.219. Dec 175°. One gram dissolves in 8 ml water at 20°.Use
Oxidimetric standard. Determn of manganese.