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Chemicals
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IRON(II) SULFATE continued
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 TM Bag.
Soluble: Water; not alcohol.
Color and Odor: Light green, odorless solid.
IRON(III) CHLORIDE continued
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Fair to poor; substance hygroscopic; store in a Flinn Chem-Saf TM Bag.
Soluble: Water and other common organic solvents.
Color and Odor: Mustard solid with slight chlorine odor.
CAS No. 10025-77-1
CAS No. 7782-63-0
Iron(II) Sulfate Solution
(as FeSO4•7H2O + sulfuric acid)
0.01 Molar, acidified F0049 500 mL
$10.25
 HAZARD ALERT: Corrosive to skin, eyes, and mucous membranes; slightly toxic.
Storage: Inorganic #2
Disposal: #24a
Shelf Life: Good
Color and Odor: Colorless, odorless liquid.
Iron(II) Sulfide
ferrous sulfide laboratory grade, lump H2S generating
FeS
F.W. 87.91
Iron(III) Chloride Solution
(as FeCl3•6H2O)
1.0 Molar 0.1 Molar
F0069 100 mL F0045 500 mL
$ 8.80 10.25
$ 9.85 19.55
 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 TM Bag and then inside a Flinn Saf-StorTM Can.
Soluble: Acids; not water.
Color and Odor: Metallic gray, odorless solid.
CAS No. 1317-37-9
Iron(III) Nitrate
ferric nitrate reagent, crystal Fe(NO3)3•9H2O F.W. 404.00
F0008 100 g
F0009 500 g
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
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 TM 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.
F0042 100 g F0017 500 g
$26.95 63.85
 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)...Ferric...Iron compounds in which the iron has an ionic charge or oxidation number of three.
 HAZARD ALERT: Skin and tissue irritant; corrosive; slightly toxic
by ingestion.
Continued on next column.
F0006 F0007
100 g 500 g
$10.45 21.45
 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 $14.75
 HAZARD ALERT: Corrosive liquid; solution is 0.6 M in nitric acid. Storage: Inorganic #3
Disposal: #24b
Shelf Life: Fair
Iron(III) Nitrate Solution
(as Fe(NO3)3•9H2O)
0.2 Molar 0.1 Molar
F0046 500 mL $8.20
F0047 500 mL 7.45
Preparing an Iodine Solution?
Iodine crystals are not directly soluble in water, which is why most water-based iodine solutions call for potassium iodide as an ingre- dient. Iodine is soluble in potassium iodide solutions. As a general rule, start with approximately one-fourth of the final volume of water and add the required amount of potassium iodide. Once the potassium iodide has dissolved, add the iodine crystals. Stir until completely dissolved and bring the solution up to its final volume. Iodine solutions should be prepared under a fume hood.
Color and Odor: Very faint yellow to colorless; odorless.
Flinn Chemical Labels Are GHS Compliant