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215422

Sigma-Aldrich

Iron(II) sulfate heptahydrate

greener alternative
Iron(II) sulfate heptahydrate
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ACS reagent, ≥99.0%

Synonyme(s) :

Ferrous sulfate heptahydrate

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About This Item

Formule linéaire :
FeSO4 · 7H2O
Numéro CAS:
7782-63-0
Poids moléculaire :
278.01
Numéro CE :
231-753-5
Numéro MDL:
MFCD00149719
Code UNSPSC :
12352302
ID de substance PubChem :
329752167
Nomenclature NACRES :
NA.21
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Qualité

ACS reagent

Pression de vapeur

14.6 mmHg ( 25 °C)

Essai

≥99.0%

Forme

powder or crystals

Pertinence de la réaction

reagent type: catalyst
core: iron

Caractéristiques du produit alternatif plus écologique

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

Impuretés

≤0.01% insolubles
≤0.05% Substances not pptd by NH4OH

pH

3-4 (25 °C, 50 g/L)

Densité

1.898 g/mL at 25 °C (lit.)

Traces d'anions

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%

Traces de cations

Cu: ≤0.005%
Fe3+: ≤0.1%
Mn: ≤0.05%
Zn: ≤0.005%

Autre catégorie plus écologique

Aligned

Chaîne SMILES 

O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O

InChI

1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

Clé InChI

SURQXAFEQWPFPV-UHFFFAOYSA-L

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Catégories apparentées

Description générale

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.

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

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302,H315,H319

Classification des risques

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
BCCN0774
BCCL5366
BCCL9802
0000143940
0000139616

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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.
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To assess the impact of deworming and iron supplementation on the cognitive abilities and educational achievement of school-age children in Sri Lanka. Prospective, placebo-controlled randomised study. The treatment group received deworming and weekly iron supplementation for 6 months; the control group
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Questions

1–3 sur 3 questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 réponse

    1. 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/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 réponse

    1. 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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  3. I would like to know if this reagent is for cell culture

    1 réponse

    1. 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=product

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