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Safety Information

1.03965

Supelco

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

Empirical Formula (Hill Notation):
FeO4S · 7H2O
CAS Number:
Molecular Weight:
278.01
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-753-5
NACRES:
NA.21

grade

ACS reagent

Quality Level

Agency

reag. ISO
reag. Ph. Eur.

product line

EMSURE®

Assay

99.5-102.0% (manganometric)

form

solid

potency

319 mg/kg LD50, oral (Rat)

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%

storage temp.

15-25°C

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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Related Categories

Linkage

Replaces: FX0260-1

Analysis Note

Assay (manganometric): 99.5 - 102.0 %
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

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

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.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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