MilliporeSigma
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1.03883

Supelco

Iron(III) nitrate nonahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):
Iron(III) nitrate nonahydrate
Linear Formula:
Fe(NO3)3 · 9 H2O
CAS Number:
Molecular Weight:
404.00
MDL number:
EC Index Number:
233-899-5

grade

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

product line

EMSURE®

Assay

99.0-101.0% (complexometric)

form

solid

potency

3250 mg/kg LD50, oral (Rat)

impurities

≤0.005% Insoluble matter
≤0.1% Substances not precipitated by ammonia (as sulfate)
≤0.3% Free acid (as HNO3)

pH

1.3 (20 °C, 100 g/L in H2O)

mp

47 °C

density

1.68 g/cm3 at 20 °C

bulk density

900 kg/m3

anion traces

chloride (Cl-): ≤0.0005%
phosphate (PO43-): ≤0.005%
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%
Cu: ≤0.005%
K: ≤0.005%
Mg: ≤0.001%
Mn: ≤0.02%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.001%

storage temp.

2-30°C

InChI

1S/Fe.3HNO3.9H2O/c;3*2-1(3)4;;;;;;;;;/h;3*(H,2,3,4);9*1H2/q+3;;;;;;;;;;;;

InChI key

MUSSTCMSWRZDLN-UHFFFAOYSA-N

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1 of 4

This Item
216828F85081.03943
assay

99.0-101.0% (complexometric)

assay

≥98%, 98.0-101.0% (ACS specification)

assay

98-101%

assay

99.0-102.0% FeCl3 basis (iodometric)

form

solid

form

moist crystals

form

-

form

solid

impurities

≤0.005% Insoluble matter, ≤0.1% Substances not precipitated by ammonia (as sulfate), ≤0.3% Free acid (as HNO3)

impurities

≤0.005% insolubles, ≤0.1% Substances not pptd. by NH4OH (as sulfates)

impurities

-

impurities

≤0.01% Insoluble matter

pH

1.3 (20 °C, 100 g/L in H2O)

pH

1.5 (20 °C)

pH

-

pH

1.8 (25 °C, 10 g/L in H2O)

mp

47 °C

mp

47 °C (lit.)

mp

47 °C (lit.)

mp

37 °C (lit.)

Linkage

Replaces: FX0225-4; FX0225-1; FX0225

Analysis Note

Assay (complexometric): 99.0 - 101.0 %
Insoluble matter: ≤ 0.005 %
Free acid (as HNO₃): ≤ 0.3 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.001 %
Mn (Manganese): ≤ 0.02 %
Na (Sodium): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.001 %
Substances not precipitated by ammonia (as sulfate): ≤ 0.1 %
Corresponds to ACS,Reag. Ph Eur

Legal Information

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

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Protocols

Analytical Method: Thiocyanate and Cyanide in Wastewater

Photometric determination as Iron(III)-thiocyanate

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