68 1-800-452-1261
Iron(II) Chloride
ferrous chloride
reagent grade, crystal
FeCl2•4H2O
F.W. 198.81
F0041 25 g $13.10
F0015 100 g 27.00
HAZARD ALERT: Slightly toxic by ingestion; body tissue irritant.
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Poor; substance deliquescent and easily oxidized; store in a Flinn
Chem-Saf ™ Bag.
Soluble: Water and alcohol.
Color and Odor: Pea green solid with slight chlorine odor.
CAS No. 13478-10-9
Iron(II) Sulfate
ferrous sulfate
laboratory grade, granular
FeSO4•7H2O
F.W. 278.03
F0016 500 g $11.70
HAZARD ALERT: Slightly toxic by ingestion. LD50 (mouse) 1520 mg/kg.
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Fair to poor; substance efflorescent; store in a Flinn Chem-Saf ™
Bag.
Soluble: Water; not alcohol.
Color and Odor: Light green, odorless solid.
CAS No. 7782-63-0
Iron(II) Sulfide
ferrous sulfide
laboratory grade, lump
H2S generating
FeS
F.W. 87.91
F0042 100 g $26.95
HAZARD ALERT: Contact with acid liberates poisonous hydrogen sulfide
gas; do not dispose of the product down a drain that might contain acid.
Hydrogen sulfide gas is toxic and flammable.
Storage: Inorganic #5
Disposal: #26a
Shelf Life: Must be stored away from any source of moisture and away from
any acid; store in a Flinn Chem-Saf ™ Bag and then inside a Flinn Saf-Stor™
Can.
Soluble: Acids; not water.
Color and Odor: Metallic gray, odorless solid.
CAS No. 1317-37-9
Iron(III)…Ferric…Iron compounds in which the iron has an ionic
charge or oxidation number of three.
Iron(III) Ammonium Citrate
see Ferric Ammonium Citrate
Iron(III) Ammonium Sulfate
see Ferric Ammonium Sulfate
Iron(III) Chloride
ferric chloride
reagent, lump
FeCl3•6H2O
F.W. 270.32
F0006 100 g $10.90
F0007 500 g 21.45
HAZARD ALERT: Skin and tissue irritant; corrosive; slightly toxic by
ingestion.
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Fair to poor; substance hygroscopic; store in a Flinn Chem-Saf ™
Bag.
Soluble: Water and other common organic solvents.
Color and Odor: Mustard solid with slight chlorine odor.
CAS No. 10025-77-1
Iron(III) Chloride Solution
(as FeCl3•6H2O)
1.0 Molar F0069 100 mL $ 9.25
0.1 Molar F0045 500 mL 10.65
HAZARD ALERT: May be skin and body tissue irritant.
Storage: Inorganic #2
Disposal: #26b
Shelf Life: Good
Color and Odor: Amber, odorless liquid.
Iron(III) Nitrate
ferric nitrate
reagent, crystal
Fe(NO3)3•9H2O
F.W. 404.00
F0008 100 g $10.50
F0009 500 g 20.00
HAZARD ALERT: Strong oxidizer; skin and tissue irritant. LD50
3250 mg/kg.
Storage: Inorganic #3
Disposal: #26b
Shelf Life: Fair to poor—deliquescent; Store in a Flinn Chem-Saf ™ Bag.
Soluble: Water and alcohol.
Color and Odor: Light violet solid with slight nitric acid odor.
CAS No. 7782-61-8
Technical Note: Because of the poor shelf life of this chemical, we recommend
purchasing prepared solutions whenever possible.
Iron(III) Nitrate Solution
(as Fe(NO3)3•9H2O)
0.2 Molar F0046 500 mL $8.20
0.1 Molar F0047 500 mL 7.45
HAZARD ALERT: Skin and body tissue irritant.
Storage: Inorganic #3
Disposal: #26b
Shelf Life: Good
Color and Odor: Amber, odorless liquid.
Iron(III) Nitrate Solution, Acidified
ferric nitrate plus nitric acid
for use in iron–thiocyanate complex ion equilibrium constant labs
0.2 Molar F0048 500 mL $16.50
HAZARD ALERT: Corrosive liquid; solution is 0.6 M in nitric acid.
Storage: Inorganic #3
Disposal: #24b
Shelf Life: Fair
Color and Odor: Very faint yellow to colorless; odorless.
Iron(III) Oxide
ferric oxide, hematite
reagent grade, powder
Fe2O3
F.W. 159.69
F0010 500 g $20.00
HAZARD ALERT: Skin, eye and respiratory irritant.
Storage: Inorganic #4
Disposal: #26a
Shelf Life: Indefinite IRON(III) OXIDE continued on next page.
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