44970
Iron(II) sulfate heptahydrate
puriss. p.a., ACS reagent
Synonym(s):
Ferrous sulfate heptahydrate
About This Item
Recommended Products
grade
ACS reagent
puriss. p.a.
vapor pressure
14.6 mmHg ( 25 °C)
shelf life
~2 yr
impurities
≤0.001% total nitrogen (N)
pH
3.0-4.0 (25 °C, 50 mg/mL in H2O)
density
1.898 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg
cation traces
As: ≤2 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤50 mg/kg
Cr: ≤20 mg/kg
Cu: ≤10 mg/kg
Fe3+: ≤500 mg/kg
K: ≤50 mg/kg
Mg: ≤50 mg/kg
Mn: ≤500 mg/kg
Na: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤5 mg/kg
Zn: ≤10 mg/kg
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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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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