This product is packaged in high-density polyethylene (HDPE) bottles under inert gas; the headspace in the bottle is nitrogen gas.
215422
Iron(II) sulfate heptahydrate
ACS reagent, ≥99.0%
Iron(II) sulfate heptahydrate
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Synonym(s):
Ferrous sulfate heptahydrate
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5 G
259,00 kr
250 G
321,00 kr
1 KG
835,00 kr
About This Item
Linear Formula:
FeSO4 · 7H2O
CAS Number:
Molecular Weight:
278.01
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-753-5
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder or crystals
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Product Name
Iron(II) sulfate heptahydrate, ACS reagent, ≥99.0%
InChI key
SURQXAFEQWPFPV-UHFFFAOYSA-L
InChI
1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
SMILES string
O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O
grade
ACS reagent
vapor pressure
14.6 mmHg ( 25 °C)
assay
≥99.0%
form
powder or crystals
reaction suitability
reagent type: catalyst
core: iron
greener alternative product characteristics
Catalysis
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impurities
≤0.01% insolubles
≤0.05% Substances not pptd by NH4OH
pH
3-4 (25 °C, 50 g/L)
density
1.898 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
cation traces
Cu: ≤0.005%
Fe3+: ≤0.1%
Mn: ≤0.05%
Zn: ≤0.005%
greener alternative category
Quality Level
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1 of 4
This Item | 935689 | F7002 | 1.03963 |
|---|---|---|---|
| form powder or crystals | form powder or crystals (or granules) | form powder | form crystalline, solid |
| assay ≥99.0% | assay 99.99% trace metals basis | assay ≥99% | assay - |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 500 |
| grade ACS reagent | grade - | grade - | grade - |
| pH 3-4 (25 °C, 50 g/L) | pH - | pH 3-4 (25 °C, 50 g/L) | pH 3-4 (20 °C, 50 g/L in H2O) |
| cation traces Cu: ≤0.005%, Mn: ≤0.05%, Fe3+: ≤0.1%, Zn: ≤0.005% | cation traces - | cation traces - | cation traces - |
Application
Iron(II) sulfate heptahydrate is used as a catalyst for greener amide bond formation from amines and aldehydes. It has been used in the synthesis of maghemite nanoparticles.[1]
Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts
Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts
General description
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for catalysis. Click here for more information.
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Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Synthesis and characterization of γ-Fe2O3 nanoparticles for applications in magnetic hyperthermia.
Avram A, et al.
Synthesis, 10(P151), 1-1 (2011)
Thermal analysis of iron (II) sulphate heptahydrate in air. V: Thermal decomposition of hydroxy and oxysulphates.
Swamy M and Prasad T.
Journal of Thermal Analysis and Calorimetry, 20(1), 107-114 (1981)
Thermal analysis of iron (II) sulphate heptahydrate in air: III. Thermal decomposition of intermediate hydrates.
Swami MSR and Prasad TP.
Journal of Thermal Analysis and Calorimetry, 19(2), 297-304 (1980)
Anastasia Terzopoulou et al.
Advanced healthcare materials, 9(20), e2001031-e2001031 (2020-09-10)
Microrobots and metal-organic frameworks (MOFs) have been identified as promising carriers for drug delivery applications. While clinical applications of microrobots are limited by their low drug loading efficiencies and the poor degradability of the materials used for their fabrication, MOFs
Hsiao-Chi Chuang et al.
Toxicology and applied pharmacology, 266(3), 329-334 (2012-12-25)
Pulmonary epithelial lining fluid (ELF) is the first substance to make contact with inhaled particulate matter (PM) and interacts chemically with PM components. The objective of this study was to determine the role of ELF in oxidative stress, DNA damage
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What is the atmosphere when FeSO4 is packaged? Is it just air or any other inert gas (nitrogen or Argon etc.)?
1 answer-
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Is this product food grade? Can it be used as an additive (fortificant) in fortified products or iron supplementation products? Thank you.
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This product is intended for research use only and is not suitable for human or veterinary use. Please see the link below to review a product option that is suitable for pharma manufacturing:
https://www.sigmaaldrich.com/US/en/product/mm/103963Helpful?
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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?
1 answer-
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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I would like to know if this reagent is for cell culture
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This product has not been tested for use in cell culture. The end user would have to determine suitability. Please see the link below to review the Cell Culture Tested product options:
https://www.sigmaaldrich.com/search/iron(ii)-sulfate-heptahydrate-cell-culture?focus=products&page=1&perpage=30&sort=relevance&term=Iron%28II%29%20sulfate%20heptahydrate%20cell%20culture&type=productHelpful?
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