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Merck
CN

1.02786

Manganese(II) sulfate tetrahydrate

for analysis EMSURE®

Synonym(s):

Manganese(II) sulfate tetrahydrate

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About This Item

Empirical Formula (Hill Notation):
MnO4S · 4H2O
CAS Number:
Molecular Weight:
223.06
UNSPSC Code:
12352302
EC Index Number:
232-089-9
Assay:
≥98.5% (complexometric)
Form:
solid
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Product Name

Manganese(II) sulfate tetrahydrate, for analysis EMSURE®

InChI

1S/Mn.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2

InChI key

SQQMAOCOWKFBNP-UHFFFAOYSA-L

product line

EMSURE®

assay

≥98.5% (complexometric)

form

solid

potency

2150 mg/kg LD50, oral (Rat)

pH

2.5-4.0 (20 °C, 50 g/L in H2O)

mp

26-27 °C

density

2.11 g/cm3 at 20 °C

bulk density

1000‑1200 kg/m3

anion traces

chloride (Cl-): ≤0.001%

cation traces

Ca: ≤0.005%
Cu: ≤0.0002%
Fe: ≤0.001%
K: ≤0.002%
Mg: ≤0.01%
Na: ≤0.005%
Ni: ≤0.002%
Pb: ≤0.0002%
Zn: ≤0.002%

storage temp.

15-25°C

Quality Level

Analysis Note

Assay (complexometric): ≥ 98.5 %
pH-value (5 %; water): 4.5 - 6.0
Chloride (Cl): ≤ 0.001 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.01 %
Na (Sodium): ≤ 0.005 %
Ni (Nickel): ≤ 0.002 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.002 %
Oxidizing matter: passes test
Reducing substances: passes test

Legal Information

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

pictograms

Health hazardEnvironment

signalword

Warning

Hazard Classifications

Aquatic Chronic 2 - STOT RE 2 Inhalation

target_organs

Brain

Storage Class

11 - Combustible Solids

wgk

WGK 2


Certificates of Analysis (COA)

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