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Sigma-Aldrich

Iron(II) sulfate heptahydrate

SAJ first grade, 98.0-102.5%

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Synonym(s):
Ferrous sulfate heptahydrate
Linear Formula:
FeSO4 · 7H2O
CAS Number:
Molecular Weight:
278.01
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:

grade

SAJ first grade

vapor pressure

14.6 mmHg ( 25 °C)

Assay

98.0-102.5%

form

solid

reaction suitability

reagent type: catalyst
core: iron

availability

available only in Japan

pH

3.0-4.0 (25 °C, 50 g/L)

density

1.898 g/mL at 25 °C (lit.)

storage temp.

2-8°C

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

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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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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
Huifang Wu et al.
Journal of hazardous materials, 243, 86-94 (2012-11-13)
An experiment was conducted in a batch reactor for a real printing and dyeing wastewater pretreatment using Fenton process in this study. The results showed that original pH, hydrogen peroxide concentration and ferrous sulfate concentration affected ORP value and pretreatment
Yoko Miura et al.
Investigative ophthalmology & visual science, 54(5), 3366-3377 (2013-04-06)
The aim of this study was to investigate the autofluorescence (AF) of the RPE with two-photon microscopy (TPM) and fluorescence lifetime imaging (FLIM) under normal and oxidative stress conditions. Porcine RPE-choroid explants were used for investigation. The RPE-choroid tissue was
Yanyan Wei et al.
Food chemistry, 138(2-3), 1952-1958 (2013-02-16)
The present study evaluated the effectiveness of germination and iron fortification on iron concentration and bioavailability of brown rice. Iron fortification during germination process with 0.05-2 g/L ferrous sulfate increased the iron concentration in germinated brown rice from 1.1 to
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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