Skip to Content
Merck

Skip To

215422

Iron(II) sulfate heptahydrate

ACS reagent, ≥99.0%

Sustainability features

1 of 1 reviewers received a sample product or took part in a promotion

Synonym(s):

Ferrous sulfate heptahydrate

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View
Size/SKUAvailabilityPrice
5 g
Please contact Customer Service for Availability
267,00 kr
250 g
Please contact Customer Service for Availability
331,00 kr
1 kg
Please contact Customer Service for Availability
860,00 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

267,00 kr


Please contact Customer Service for Availability

​
Request a Custom Order
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


grade

ACS reagent

Quality Segment

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
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product, Sustainability features

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

SMILES string

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

InChI key

SURQXAFEQWPFPV-UHFFFAOYSA-L

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.

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.

Iron-Catalyzed Efficient Synthesis of Amides from Aldehydes and Amine Hydrochloride Salts

Compare Similar Items

View Full Comparison

Show Differences

1 of 1

This Item
F8263
description

ACS reagent, ≥99.0%

description

suitable for plant cell culture, ≥99%

form

powder or crystals

form

-

assay

≥99.0%

assay

≥99%

Quality Level

200

Quality Level

200

grade

ACS reagent

grade

-

cation traces

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

cation traces

-

impurities

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

impurities

-


Still not finding the right product?

Explore all of our products under Iron(II) sulfate heptahydrate


Pictograms

Exclamation mark

Signal Word

Warning

Hazard Codes

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



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library



Questions

1–5 of 5 Questions  
  1. What is the atmosphere when FeSO4 is packaged? Is it just air or any other inert gas (nitrogen or Argon etc.)?

    1 answer
    1. This product is packaged in high-density polyethylene (HDPE) bottles under inert gas; the headspace in the bottle is nitrogen gas.

      Helpful?

  2. Is this product food grade? Can it be used as an additive (fortificant) in fortified products or iron supplementation products? Thank you.

    1 answer
    1. 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/103963

      Helpful?

  3. 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/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  4. 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

      Helpful?

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

    1 answer
    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

      Helpful?

Reviews

Active Filters

  1. 1 Ratings-only review