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Merck

1.05941

Manganese(II) sulfate monohydrate

spray-dried for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):

Manganese(II) sulfate monohydrate

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About This Item

Empirical Formula (Hill Notation):
MnO4S · xH2O
CAS Number:
Molecular Weight:
151.00 (anhydrous basis)
UNSPSC Code:
12352302
EC Index Number:
232-089-9
NACRES:
NA.21
MDL number:
Assay:
98.0-101.0% (MnSO4.H2O basis, complexometric), 99.0-101.0% (calc. on the ignited basis, complexometric)
Grade:
ACS reagent
Form:
solid
Solubility:
762 g/L
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grade

ACS reagent

Quality Segment

agency

reag. Ph. Eur.

product line

EMSURE®

assay

98.0-101.0% (MnSO4.H2O basis, complexometric), 99.0-101.0% (calc. on the ignited basis, complexometric)

form

solid

potency

2150 mg/kg LD50, oral (Rat)

impurities

≤0.01% Insoluble matter

loss

10.0-12.0% loss on ignition, 500 °C

pH

3.0-3.5 (20 °C, 50 g/L in H2O)

mp

>449 °C (anhydrous substance)

solubility

762 g/L

density

2.95 g/cm3 at 20 °C

bulk density

1000‑1200 kg/m3

anion traces

chloride (Cl-): ≤0.001%

cation traces

Ca: ≤0.005%, Cu: ≤0.0005%, Fe: ≤0.001%, K: ≤0.005%, Mg: ≤0.005%, Na: ≤0.005%, Ni: ≤0.0005%, Pb: ≤0.001%, Zn: ≤0.005%, heavy metals (as Pb): ≤0.001%

storage temp.

15-25°C

SMILES string

[Mn+2].[S](=O)(=O)([O-])[O-].O

InChI

1S/Mn.H2O4S.H2O/c;1-5(2,3)4;/h;(H2,1,2,3,4);1H2/q+2;;/p-2

InChI key

ISPYRSDWRDQNSW-UHFFFAOYSA-L

Analysis Note

Assay (complexometric, MnSO₄·H₂O): 98.0 - 101.0 %
Assay (complexometric, calc. on the ignited basis): 99.0 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.005 %
Na (Sodium): ≤ 0.005 %
Ni (Nickel): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %
Substances reducing potassium permanganate: passes test
Loss on ignition (500 °C): 10.0 - 12.0 %

Other Notes

Replaces: MX0210; MX0210-30

Legal Information

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


signalword

Danger

Hazard Classifications

Aquatic Chronic 2 - Eye Dam. 1 - STOT RE 2 Inhalation

target_organs

Brain

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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