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Sigma-Aldrich

Ammonium iron(III) sulfate dodecahydrate

JIS special grade, ≥99.0%

Synonym(s):

Ammonium ferric sulfate dodecahydrate

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About This Item

Linear Formula:
NH4Fe(SO4)2 · 12H2O
CAS Number:
7783-83-7
Molecular Weight:
482.19
EC Number:
233-382-4
MDL number:
MFCD00150004
UNSPSC Code:
12352302
PubChem Substance ID:
329750712

grade

JIS special grade

Assay

≥99.0%

form

crystalline

reaction suitability

reagent type: catalyst
core: iron

availability

available only in Japan

pH

1 (25 °C, 482.2 g/L)

mp

39-41 °C (lit.)

SMILES string

N.O.O.O.O.O.O.O.O.O.O.O.O.[Fe+3].OS([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Fe.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3

InChI key

LCPUDZUWZDSKMX-UHFFFAOYSA-K

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Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H318

Precautionary Statements

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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J G Reinhold et al.
The Journal of nutrition, 116(6), 1007-1017 (1986-06-01)
The effects of pH, ascorbate, citrate and dietary fiber on retention of ferrous and ferric iron by jejuno-ileal segments of rat intestine were examined in vivo. Iron was introduced in an isosmotic solution of sodium chloride and dextrose buffered by
Andrew J Ghio et al.
American journal of physiology. Lung cellular and molecular physiology, 283(3), L563-L572 (2002-08-10)
The iron chelator deferoxamine has been reported to inhibit both xanthine oxidase (XO) and xanthine dehydrogenase activity, but the relationship of this effect to the availability of iron in the cellular and tissue environment remains unexplored. XO and total xanthine
Jun-Beum Lee et al.
Bioscience, biotechnology, and biochemistry, 68(3), 495-500 (2004-04-02)
Efficiency was examined of microencapsulating L-ascorbic acid by polyglycerol monostearate (PGMS), and changes in the chemical and sensorial aspects of L-ascorbic acid and/or iron-fortified milk during storage were evaluated. The selected core materials were ferric ammonium sulfate and L-ascorbic acid.
I Wittmann et al.
Chemico-biological interactions, 138(2), 171-187 (2001-10-24)
Diabetes mellitus is characterized by increased methylglyoxal (MG) production. The aim of the present study was to investigate the role of iron in the cellular and molecular effects of MG. A red blood cell (RBC) model and L-arginine were used
H S Kwak et al.
Journal of agricultural and food chemistry, 51(26), 7770-7774 (2003-12-11)
This study was designed to develop a microencapsulated iron that could be used to fortify milk and to determine the sensory properties of milk fortified with microencapsulated iron. Coating material was polyglycerol monostearate (PGMS), and selected core material was ferric
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