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203505

Sigma-Aldrich

Ammonium iron(II) sulfate hexahydrate

99.997% trace metals basis

Synonyme(s) :

Ammonium ferrous sulfate hexahydrate, Ammonium iron(II) sulfate, Mohr’s salt

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About This Item

Formule linéaire :
(NH4)2Fe(SO4)2 · 6H2O
Numéro CAS:
7783-85-9
Poids moléculaire :
392.14
Numéro CE :
233-151-8
Numéro MDL:
MFCD00150530
Code UNSPSC :
12352302
ID de substance PubChem :
24852177
Nomenclature NACRES :
NA.23

Niveau de qualité

200

Pureté

99.997% trace metals basis

Forme

crystalline

Impuretés

≤35.0 ppm Trace Metal Analysis

Pf

100 °C (dec.) (lit.)

Chaîne SMILES 

N.N.O.O.O.O.O.O.[Fe++].OS([O-])(=O)=O.OS([O-])(=O)=O

InChI

1S/Fe.2H3N.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;/h;2*1H3;2*(H2,1,2,3,4);6*1H2/q+2;;;;;;;;;;/p-2

Clé InChI

MQLVWQSVRZVNIP-UHFFFAOYSA-L

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Description générale

Ammonium iron(II)sulfate is a light green to blue crystalline powder, which dissolves readily in water, but is insoluble in ethanol and acetone. The salt melts and begins to decompose at 100 °C. It is a double salt of iron sulfate and ammonium sulfate and is made by dissolving equimolar iron(II) sulfate and ammonium sulfate in water and crystallizing the product.

Application

Ammonium iron(II) sulfate hexahydrate can be used:
  • As a precursor to synthesize iron oxide nanoparticles deposited over bismuth carbonate/ACF(fiber). This material can be used as an efficient catalyst for wastewater treatment.
  • As a negative electrolyte to develop a vanadium/iron redox flow battery (V/Fe RFB).
  • To modify methyl orange dye via metal insertion reaction. The modified dye acts as a light harvester on DSSC (Dye-Sensitized Solar Cell).
  • As a dopant to prepare nano-titania catalyst by the sol-gel method. The doping with (NH4)2Fe(SO4)2·6H2O leads to photocatalytic activation of titania in the visible light range.


Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
0000354760
0000354760
0000354759
MKCV6456
MKCS9988

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