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12302

Sigma-Aldrich

Ammonium iron(III) oxalate trihydrate

≥98%

Synonym(s):

Ammonium ferric oxalate, Iron ammonium oxalate

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About This Item

Linear Formula:
(NH4)3[Fe(C2O4)3] · 3H2O
CAS Number:
Molecular Weight:
428.06
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Assay

≥98%

form

solid

density

1.78 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤1000 mg/kg

functional group

carboxylic acid

SMILES string

N.N.N.O.O.O.OC(=O)C(=O)O[Fe](OC(=O)C(O)=O)OC(=O)C(O)=O

InChI

1S/3C2H2O4.Fe.3H3N.3H2O/c3*3-1(4)2(5)6;;;;;;;/h3*(H,3,4)(H,5,6);;3*1H3;3*1H2/q;;;+3;;;;;;/p-3

InChI key

LVWHKVQBJNDDEL-UHFFFAOYSA-K

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General description

Ammonium ferric oxalate trihydrate decomposes completely at 275°C giving Fe2O3 and has been investigated by thermogravimetry and differential thermal analysis.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral

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

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