Benzenesulfonic acid,4,4'-[3-(2-pyridinyl)-1,2,4-triazine-5,6-diyl]bis-, sodium salt (1:1) (69898-45-9)

Identification
Name:	Benzenesulfonic acid,4,4'-[3-(2-pyridinyl)-1,2,4-triazine-5,6-diyl]bis-, sodium salt (1:1)
Synonyms:	FerroZine;Ferrozin;Benzenesulfonicacid, 4,4'-[3-(2-pyridinyl)-1,2,4-triazine-5,6-diyl]bis-, monosodium salt(9CI);
CAS:	69898-45-9
EINECS:	274-196-3
Molecular Formula:	C₂₀H₁₃N₄NaO₆S₂
Molecular Weight:	510.47
InChI:	InChI=1/C20H14N4O6S2.Na/c25-31(26,27)15-8-4-13(5-9-15)18-19(14-6-10-16(11-7-14)32(28,29)30)23-24-20(22-18)17-3-1-2-12-21-17;/h1-12H,(H,25,26,27)(H,28,29,30);/q;+1/p-1
Molecular Structure:
Properties
Melting Point:	≥300 °C
Stability:	Stable at room temperature in closed containers under normal storage and handling conditions.
Appearance:	Yellow-green - yellow crystalline powder.
Storage Temperature:	Store at RT.
Usage:	A chemical indicator of the ferrous ion.
Safety Data
Hazard Symbols	Xi:Irritant