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Sigma-Aldrich

Iron(II) sulfate heptahydrate

greener alternative
Iron(II) sulfate heptahydrate
1 of 1 reviewers received a sample product or took part in a promotion

ACS reagent, ≥99.0%

Sinónimos:

Ferrous sulfate heptahydrate

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5 G
USD 36.67
250 G
USD 70.19
1 KG
USD 214.77

USD 36.67

Fecha estimada de envío20 de mayo de 2025DesdeMILWAUKEE

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5 G
USD 36.67
250 G
USD 70.19
1 KG
USD 214.77

About This Item

Fórmula lineal:
FeSO4 · 7H2O
Número de CAS:
7782-63-0
Peso molecular:
278.01
Número CE:
231-753-5
Número MDL:
MFCD00149719
Código UNSPSC:
12352302
ID de la sustancia en PubChem:
329752167
NACRES:
NA.21
Ensayo:
≥99.0%
grado:
ACS reagent
Formulario:
powder or crystals

USD 36.67

Fecha estimada de envío20 de mayo de 2025DesdeMILWAUKEE

Para encargar productos, Contacto su distribuidor local.

grado

ACS reagent

Nivel de calidad

200

presión de vapor

14.6 mmHg ( 25 °C)

Ensayo

≥99.0%

Formulario

powder or crystals

idoneidad de la reacción

reagent type: catalyst
core: iron

características de los productos alternativos más sostenibles

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

impurezas

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

pH

3-4 (25 °C, 50 g/L)

densidad

1.898 g/mL at 25 °C (lit.)

trazas de anión

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

trazas de catión

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

categoría alternativa más sostenible

Aligned

cadena 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

Clave InChI

SURQXAFEQWPFPV-UHFFFAOYSA-L

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Categorías relacionadas

Descripción general

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.

Aplicación

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

Pictogramas

Exclamation mark
GHS07

Palabra de señalización

Warning

Frases de peligro

H302,H315,H319

Clasificaciones de peligro

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

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
BCCL5366
BCCL9802
0000143940
0000139616
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)
Roshini Ebenezer et al.
Tropical medicine & international health : TM & IH, 18(8), 942-951 (2013-07-11)
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
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)
Joonhoon Kim et al.
Frontiers in bioengineering and biotechnology, 8, 612832-612832 (2021-02-16)
An oleaginous yeast Rhodosporidium toruloides is a promising host for converting lignocellulosic biomass to bioproducts and biofuels. In this work, we performed multi-omics analysis of lignocellulosic carbon utilization in R. toruloides and reconstructed the genome-scale metabolic network of R. toruloides.
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Questions

1–2 of 2 Questions  

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

    1 answer

    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 answer

    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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