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1.03776

Ammonium iron(III) sulfate dodecahydrate

Name: Ammonium iron(III) sulfate dodecahydrate
Brand: MM

for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

Synonym(s):

Ammonium iron(III) sulfate dodecahydrate, Alum iron, Ferric ammonium sulfate, Iron alum, Iron(III) ammonium sulfate

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About This Item

Linear Formula:

(NH₄)Fe(SO₄)₂ · 12H₂O

CAS Number:

7783-83-7

Molecular Weight:

482.19

UNSPSC Code:

12352302

EC Index Number:

233-382-4

NACRES:

NA.21

MDL number:

MFCD00150004

Assay:

99.0-102.0% (iodometric)

Grade:

ACS reagent

Form:

solid

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Properties

grade

ACS reagent

Quality Level

300

agency

reag. ISO, reag. Ph. Eur.

product line

EMSURE^®

assay

99.0-102.0% (iodometric)

form

solid

impurities

≤0.005% Insoluble matter

pH

1.8 (20 °C, 100 g/L in H₂O)

mp

39-41 °C

bulk density

750 kg/m³

anion traces

chloride (Cl^-): ≤0.0005%, nitrate (NO₃^-): ≤0.01%

cation traces

Ca: ≤0.01%, Cu: ≤0.001%, Fe²⁺: ≤0.001%, K: ≤0.005%, Mg: ≤0.001%, Mn: ≤0.005%, Na: ≤0.01%, Pb: ≤0.0005%, Zn: ≤0.001%

storage temp.

15-25°C

SMILES string

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

Description

Analysis Note

Assay (iodometric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.01 %
Cu (Copper): ≤ 0.001 %
Fe II (Iron II): ≤ 0.001 %
Ca (Calcium): ≤ 0.01 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.001 %
Mn (Manganese): ≤ 0.005 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.001 %
Corresponds to ACS, ISO, Reag. Ph. Eur.

Other Notes

Replaces: FX0205; FX0205-1; FX0205-20; FX0205-3

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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pictograms

GHS05

signalword

Danger

hcodes

H318

pcodes

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c