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12310

Sigma-Aldrich

Iron

≥99%, reduced, powder (fine)

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Synonym(s):
Fe
Linear Formula:
Fe
CAS Number:
Molecular Weight:
55.85
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Assay

≥99%

form

powder (fine)

quality

reduced

reaction suitability

core: iron
reagent type: catalyst

resistivity

9.71 μΩ-cm

impurities

≤0.5% insoluble in HCl

bp

2750 °C (lit.)

mp

1535 °C (lit.)

density

7.86 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg
sulfide (S2-): ≤100 mg/kg

cation traces

As: ≤5 mg/kg
Cu: ≤100 mg/kg
Mn: ≤1000 mg/kg
Ni: ≤500 mg/kg
Pb: ≤20 mg/kg
Zn: ≤50 mg/kg

storage temp.

2-8°C

SMILES string

[Fe]

InChI

1S/Fe

InChI key

XEEYBQQBJWHFJM-UHFFFAOYSA-N

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This Item
20930944890731382
Iron ≥99%, reduced, powder (fine)

Sigma-Aldrich

12310

Iron

Iron powder, −325 mesh, 97%

Sigma-Aldrich

209309

Iron

Iron puriss. p.a., carbonyl-Iron powder, low in magnesium and manganese compounds, ≥99.5% (RT)

Sigma-Aldrich

44890

Iron

form

powder (fine)

form

powder

form

-

form

powder

reaction suitability

core: iron, reagent type: catalyst

reaction suitability

core: iron, reagent type: catalyst

reaction suitability

core: iron, reagent type: catalyst

reaction suitability

core: iron, reagent type: catalyst

bp

2750 °C (lit.)

bp

2750 °C (lit.)

bp

2750 °C (lit.)

bp

-

mp

1535 °C (lit.)

mp

1535 °C (lit.)

mp

1535 °C (lit.)

mp

215-226 °C

density

7.86 g/mL at 25 °C (lit.)

density

7.86 g/mL at 25 °C (lit.)

density

7.86 g/mL at 25 °C (lit.)

density

-

General description

Reduced iron powder, also known as iron sponge, is a fine powdered form of iron that is commonly used in chemical synthesis processes. It is produced by the reduction of iron oxide in a controlled environment, typically through the use of hydrogen or carbon monoxide gas.




In chemical synthesis, reduced iron powder can be employed as a reducing agent, catalyst, or precursor in a wide range of reactions. It is commonly used to convert organic functional groups, such as aldehydes, ketones, and nitro compounds, into their corresponding reduced forms. It is also known to facilitate hydrogenation reactions.




Reduced iron powder finds applications in the production of iron-based catalysts, magnetic materials, pigments, and metal alloys. It is commonly used in pharmaceutical synthesis, organic chemistry, and industrial manufacturing. It is important to handle reduced iron powder with care due to its potential reactivity with moisture and oxygen, which may cause oxidation and result in changes to its properties. Proper storage and handling procedures should be followed to maintain its quality and prevent unwanted reactions.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Sol. 1 - Self-heat. 1

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Stanley Zlotkin et al.
JAMA, 310(9), 938-947 (2013-09-05)
In sub-Saharan Africa, malaria is a leading cause of childhood morbidity and iron deficiency is among the most prevalent nutritional deficiencies. In 2006, the World Health Organization and the United Nations Children's Fund released a joint statement that recommended limiting
Shaun D Wong et al.
Nature, 499(7458), 320-323 (2013-07-23)
Mononuclear non-haem iron (NHFe) enzymes catalyse a broad range of oxidative reactions, including halogenation, hydroxylation, ring closure, desaturation and aromatic ring cleavage reactions. They are involved in a number of biological processes, including phenylalanine metabolism, the production of neurotransmitters, the
Iron fortification and malaria risk in children.
Andrew M Prentice et al.
JAMA, 310(9), 914-915 (2013-09-05)
Elzbieta Krzesiek et al.
Polski merkuriusz lekarski : organ Polskiego Towarzystwa Lekarskiego, 34(203), 289-292 (2013-07-31)
Anemia is a frequent symptom of diseases of alimentary tract, also in children. Among others, inflammatory bowel disease, celiac disease and Helicobacter pylori are most often complicated by anemia. Not infrequently these disorders are accompanied by more than one type
Daily iron during pregnancy improves birth weight.
Jacqui Wise
BMJ (Clinical research ed.), 346, f3997-f3997 (2013-06-26)

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