This product is packaged under argon gas.
44939
Iron(II) chloride tetrahydrate
puriss. p.a., ≥99.0% (RT)
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Synonym(s):
Ferrous chloride tetrahydrate
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| Size/SKU | Availability | Price |
|---|---|---|
50 g | Estimated to ship onDecember 29, 2026fromMILWAUKEE | $66.40 |
250 g | Estimated to ship onDecember 29, 2026fromMILWAUKEE | $107.00 |
1 kg | Estimated to ship onSeptember 30, 2027fromMILWAUKEE | $316.00 |
About This Item
Linear Formula:
FeCl2 · 4H2O
CAS Number:
Molecular Weight:
198.81
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-843-4
MDL number:
Assay:
≥99.0% (RT)
Form:
powder or crystals
vapor pressure
10 mmHg ( 693 °C)
Quality Segment
grade
puriss. p.a.
assay
≥99.0% (RT)
form
powder or crystals
impurities
≤0.001% total nitrogen (N)
pH
2.5 (20 °C, 100 g/L)
anion traces
sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤50 mg/kg, Cr: ≤10 mg/kg, Cu: ≤5 mg/kg, Fe3+: ≤2000 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤50 mg/kg, Na: ≤50 mg/kg, Ni: ≤50 mg/kg, Pb: ≤10 mg/kg, Zn: ≤20 mg/kg
SMILES string
O.O.O.O.Cl[Fe]Cl
InChI
1S/2ClH.Fe.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2
InChI key
WSSMOXHYUFMBLS-UHFFFAOYSA-L
Application
Iron(II) chloride tetrahydrate can be used as a catalyst in the:
- Solvent-free Ritter reaction of nitriles with various halohydrocarbons to synthesize N-substituted amides.
- Synthesis of ketones via indirect hydration of alkynes.
- Stereoselective reduction of α, β-unsaturated carbonyl compounds to the corresponding saturated alcohols in the presence of lithium and DTBB.
1 of 1
This Item | |||
|---|---|---|---|
| description puriss. p.a., ≥99.0% (RT) | description ReagentPlus®, 98% | description 99.99% trace metals basis | description ACS reagent, 97% |
| form powder or crystals | form powder, crystals or chunks | form crystals and lumps | form chunks |
| assay ≥99.0% (RT) | assay 98% | assay 99.99% trace metals basis | assay 97%, 97.0-102.0% (ACS specification) |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade puriss. p.a. | grade - | grade - | grade ACS reagent |
| cation traces K: ≤50 mg/kg, Mn: ≤50 mg/kg, Fe3+: ≤2000 mg/kg, Na: ≤50 mg/kg, Pb: ≤10 mg/kg, Co: ≤50 mg/kg, Mg: ≤5 mg/kg, As: ≤5 mg/kg, Cr: ≤10 mg/kg, Ni: ≤50 mg/kg, Cd: ≤5 mg/kg, Cu: ≤5 mg/kg, Ca: ≤10 mg/kg, Zn: ≤20 mg/kg | cation traces - | cation traces - | cation traces Cu: ≤0.003%, Fe2+:, passes test (lim. ~0.002%), Zn: ≤0.003% |
| vapor pressure 10 mmHg ( 693 °C) | vapor pressure 10 mmHg ( 693 °C) | vapor pressure 10 mmHg ( 693 °C) | vapor pressure 1 mmHg ( 194 °C) |
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1
Storage Class
13 - Non Combustible Solids
WGK
WGK 1
Flash Point (°F)
does not flash
Flash Point (°C)
does not flash
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What is the atmosphere when FeCl2 is packaged? Is it just air or any other inert gas (nitrogen or Argon etc.)?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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