1.03965
Iron(II) sulfate heptahydrate
for analysis EMSURE® ACS,ISO,Reag. Ph Eur
Synonym(s):
Iron(II) sulfate heptahydrate, Iron
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About This Item
grade
ACS reagent
Quality Segment
agency
reag. ISO, reag. Ph. Eur.
product line
EMSURE®
assay
99.5-102.0% (manganometric)
form
solid
potency
319 mg/kg LD50, oral (Rat)
greener alternative product characteristics
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impurities
≤0.01% Insoluble matter
pH
3-4 (20 °C, 50 g/L in H2O)
mp
>60 °C (Elimination of water of crystallisation)
density
1.89 g/cm3 at 20 °C
bulk density
600 kg/m3
anion traces
chloride (Cl-): ≤0.0005%, phosphate (PO43-): ≤0.001%
cation traces
As: ≤0.0002%, Ca: ≤0.005%, Co: ≤0.0025%, Cr: ≤0.0050%, Cu: ≤0.001%, Fe3+: ≤0.02%, K: ≤0.002%, Mg: ≤0.002%, Mn: ≤0.05%, N: ≤0.001%, Na: ≤0.02%, Ni: ≤0.0050%, Pb: ≤0.0005%, Zn: ≤0.0050%, heavy metals (as Pb): ≤0.005%
greener alternative category
storage temp.
15-25°C
SMILES string
[Fe+2].[S](=O)(=O)([O-])[O-].O.O.O.O.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 belong to one of the four categories of greener alternatives. IRON(II) SULFATE HEPTAHYDRATE is essential for developing greener energy solutions, particularly in iron-based lithium-ion batteries. Its eco-friendly properties enhance energy storage efficiency, reduce reliance on harmful materials, and support the advancement of sustainable technologies. Click here for more information.
Analysis Note
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 3.0 - 4.0
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals as Pb: ≤ 0.005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.005 %
Cr (Chromium): ≤ 0.0050 %
Cu (Copper): ≤ 0.001 %
Fe III (Iron III): ≤ 0.02 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.002 %
Mn (Manganese): ≤ 0.05 %
Na (Sodium): ≤ 0.02 %
Ni (Nickel): ≤ 0.0050 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.0050 %
Co (Cobalt): ≤ 0.0025 %
Substance not precipitated by ammonium hydroxide: ≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur
Other Notes
Legal Information
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
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