• Name

  FERROIN

• EINECS
• CAS No. 14634-91-4
• Article Data17
• CAS DataBase
• Density g/cm³
• Solubility
• Melting Point
• Formula C₃₆H₂₄FeN₆O₄S
• Boiling Point 365.1°Cat760mmHg
• Molecular Weight 692.537
• Flash Point 164.8°C
• Transport Information
• Appearance dark red liquid
• Safety

  Risk Statements	52/53
  Safety Statements	24/25
  WGK Germany	-

• Risk Codes 52/53-51/53
• Molecular Structure
• Hazard Symbols N
• Synonyms M/40-FERROIN;FERROIN;FERROIN INDICATOR;FERROIN INDICATOR SOLUTION;1,10-PHENANTHROLINE IRON(II) SALT;1,10-PHENANTHROLINE IRON (II) SULFATE;1,10-PHENANTHROLINE IRON(I) SULFATE COMPLEX;1,10-Phenanthroline ferrous
• PSA 165.98000
• LogP 8.08930

Synthetic route

66-71-7

1,10-Phenanthroline

Ammonium iron sulfate

14634-91-4

ferroin

Conditions

Conditions	Yield
In ethanol; water in situ react.;
In methanol; water not isolated;

ferrous(II) sulfate heptahydrate

66-71-7

1,10-Phenanthroline

14634-91-4

ferroin

Conditions

Conditions	Yield
In water FeSO4 and phenanthroline reacted in a 1:3 stoichiometric relationship;
In water added excess of FeSO4*7H2O; not isolated; investigated by Photoelectron Emission Spectroscopy;
In water

66-71-7

1,10-Phenanthroline

ferrous ammonium sulphate

14634-91-4

ferroin

Conditions

Conditions	Yield
In not given

66-71-7

1,10-Phenanthroline

7439-89-6

iron(II)

14634-91-4

ferroin

Conditions

Conditions	Yield
In water 1,10-phenanthroline added in 1,10-phenanthroline:Fe ratio of ca. 3:1 todeaerated Fe(2+) soln.;

66-71-7

1,10-Phenanthroline

iron(II) sulfate

14634-91-4

ferroin

Conditions

Conditions	Yield
FeS:1,10-phenanthroline, molar ratio 1:3;
In water Prepn. by dissolving stoich. amts. of starting compds. in pure H2O.;
In sulfuric acid stoichiometric amounts; filtered;
In not given
In water

tris(1,10-phenanthroline)iron(II) perchlorate

14634-91-4

ferroin

Conditions

Conditions	Yield
With Na2SO4 In water addn of pptd. educt to water contg. anion exchange resin (equilibrated with Na2SO4); not isolated, spectrophotometric control;

14634-91-4

ferroin

14768-11-7, 30872-77-6, 80875-80-5, 15334-30-2, 15362-08-0

dicyanobis(1,10-phenanthroline)iron(II)

Conditions

Conditions	Yield
With potassium cyanide In water Fe salt aq. soln. heating nearly boiling, aq. KCN adding at once, stirring, cooling to room temp., dark violet crystals collecting, drying in vacuo; identified by IR, UV spectra;	90%

14634-91-4

ferroin

Na2[Ni(maleonitriledithiolate)2]

176735-71-0

Fe(C12H8N2)3(2+)*Ni(S2C2(CN)2)2(2-) = [Fe(C12H8N2)3][Ni(S2C2(CN)2)2]

Conditions

Conditions	Yield
In methanol; water byproducts: Na2SO4; stirring (20 min); filtration, washing (water/ethanol), drying in air; elem. anal.;	50%

14634-91-4

ferroin

831-59-4

1,3-benzenedisulfonic acid disodium salt

tris(1,10-phenanthroline)iron(II), m-benzenedisulfonate salt

Conditions

Conditions	Yield
With water In water recrystd. twice from water, air-dried at room temp., water of crystn. determined by Karl-Fischer method;

14634-91-4

ferroin

1655-45-4

disodium 2,6-naphthalenedisulfonate

tris(1,10-phenanthroline)iron(II), 2,6-naphthalenedisulfonate salt

Conditions

Conditions	Yield
With water In water recrystd. twice from water, air-dried at room temp., water of crystn. determined by Karl-Fischer method;

14634-91-4

ferroin

1655-35-2, 51770-81-1

2,7-naphthalenedisulfonic acid, sodium salt

tris(1,10-phenanthroline)iron(II), 2,7-naphthalenedisulfonate salt

Conditions

Conditions	Yield
With water In water recrystd. twice from water, air-dried at room temp., then dried in a silica gel desiccator, water of crystn. determined by Karl-Fischer method;

14634-91-4

ferroin

5710-54-3

o-Benzenedisulfonic acid dipotassium salt

tris(1,10-phenanthroline)iron(II), o-benzenedisulfonate salt

Conditions

Conditions	Yield
With water In water recrystd. twice from water, air-dried at room temp., water of crystn. determined by Karl-Fischer method;

14634-91-4

ferroin

7732-18-5

water

7647-14-5

sodium chloride

iron(II) triphenanthrolinechloride 99 hydrate

Conditions

Conditions	Yield
In water pptn. of an iron(II) tirphenanthrolinesulfate-soln. with NaCl;; crystn.;;

...Expand

7647-01-0

hydrogenchloride

14634-91-4

ferroin

7732-18-5

water

iron(II) triphenanthrolinechloride 99 hydrate

Conditions

Conditions	Yield
In water pptn. of an iron(II) tirphenanthrolinesulfate-soln. with HCl;; crystn.;;

...Expand

14634-91-4

ferroin

13479-49-7

tris(1,10-phenanthroline)iron(III)

Conditions

Conditions	Yield
With sodium bromate; sulfuric acid In sulfuric acid Oxidn. of starting compd. in NaBrO3 and H2SO4.;
With NaBrO3 In sulfuric acid aq. H2SO4;

14634-91-4

ferroin

2Fe(C12H8N2)3(3+)*3SO4(2-)=(Fe(C12H8N2)3)2(SO4)3

Conditions

Conditions	Yield
With cerium (IV) sulfate; sulfuric acid In water Kinetics; at 25°C; investigated by stopped-flow method;
With potassium sulfate; dipotassium peroxodisulfate In water at 34.502℃; Kinetics; Temperature;

14634-91-4

ferroin

tris(1,10-phenantholine)iron(III) perchlorate

Conditions

Conditions	Yield
With lead dioxide In water treatment of aq. acidic ferroin soln. with PbO2 (Can. J. Chem., 1988, 55, 2763-2767); elem. anal.;

14634-91-4

ferroin

Fe(1,10-phenanthroline)2(C12H10N2O)(1+)

Conditions

Conditions	Yield
With NaOH In methanol; water Kinetics; 0.033-0.167 M NaOH, 0.081-0.593 mole fraction of MeOH, I=0.167, 298.1 K; not isolated, reaction followed by UV/VIS spectroscopy;
With NaOH In water; acetone Kinetics; 0.0033-0.0167 M NaOH, 0.047-0.328 mole fraction of Me2CO, I=0.0167, 298.1 K; not isolated, reaction followed by UV/VIS spectroscopy;
With NaOH In water Kinetics; 0.0033-0.167 M NaOH, I=0.0167-0.167, 298.1 K; not isolated, reaction followed by UV/VIS spectroscopy;

14634-91-4

ferroin

7558-02-3

potassium bromide

{Fe(C12H8N2)3}(2+)*2Br(1-)*7H2O={Fe(C12H8N2)3}Br2*7H2O

Conditions

Conditions	Yield
In not given

disodium pentacarbonylchromium

14634-91-4

ferroin

{Fe(phan)3}{(CO)5CrH}

Conditions

Conditions	Yield
With water hydrolysis under addn. of (Fe(phan)3)SO4;;
With sodium hydroxide careful addn. of aq. NaOH to Cr complex with cooling; addn. of Fe complex;;
In water

14634-91-4

ferroin

K2[UO2(1-ethoxycarbonyl-1-cyanoethylene-2,2-dithiolate)2]

Fe(C12H8N2)3(2+)*UO2(C12H10N2O4S4)(2-)=UO2(FeC48H34N8O4S4)

Conditions

Conditions	Yield
In methanol; water (open atmosphere); stirring (30 min, room temp.), standing (1 h); filtration, washing (water-ethanol, ethanol, diethyl ether), drying (vac.), recrystn. (nitromethane-ether); elem. anal.;

14634-91-4

ferroin

K2[bis-(1-ethoxy carbonyl-1-cyanoethylene-2,2-dithiolato)dioxouranate(VI)]

261161-84-6

tris(1,10-phenanthroline)iron(II) bis(1-ethoxycarbonyl-1-cyanoethylene-2,2-dithiolato)dioxouranate(VI)

Conditions

Conditions	Yield
In not given soln./suspn. of uranyl compound (generated in situ) reacted with iron complex (1:1 molar ratio) (according to N. Singh et al. (1999), Indian J. Chem., vol. 38A, p. 997);

dihydrogen hexachloroplatinate(IV) hexahydrate

14634-91-4

ferroin

[Fe(1,10-phenanthroline)3][PtCl6]

Conditions

Conditions	Yield
In ethanol; water at 20℃; for 5h;

FERROIN Chemical Properties

FERROIN Uses

FERROIN Production

FERROIN Safety Profile