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Merck
CN

1.08828

Zinc iodide

for analysis EMSURE®

Synonym(s):

Zinc iodide, Zinc diiodide

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About This Item

Empirical Formula (Hill Notation):
I2Zn
CAS Number:
Molecular Weight:
319.20
UNSPSC Code:
12352302
EC Index Number:
233-396-0
NACRES:
NA.21
MDL number:
Assay:
≥98.5% (complexometric)
Form:
solid
Solubility:
4500 g/L
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Quality Segment

product line

EMSURE®

assay

≥98.5% (complexometric)

form

solid

impurities

≤0.00005% As (Arsenic), ≤0.001% Cu (Copper), ≤0.001% Fe (Iron), ≤0.001% Pb (Lead), ≤0.005% Cd (Cadmium), ≤0.005% Sulfate (SO4), ≤0.01% Chloride (Cl), ≤0.1% Substances not precipitated by ammonium sulfide (as sulfates)

loss

≤1.5% loss on drying

pH

5.6 (20 °C, 50 g/L in H2O)

bp

625 °C/1013 hPa

mp

446 °C

solubility

4500 g/L

density

4.74 g/cm3 at 20 °C

bulk density

1800 kg/m3

storage temp.

2-30°C

SMILES string

[Zn+2].[I-].[I-]

InChI

1S/2HI.Zn/h2*1H;/q;;+2/p-2

InChI key

UAYWVJHJZHQCIE-UHFFFAOYSA-L

Analysis Note

Assay (complexometric): ≥ 98.5 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
As (Arsenic): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Pb (Lead): ≤ 0.001 %
Substances not precipitated by ammonium sulfide (as sulfates): ≤ 0.1 %
Loss on drying: ≤ 1.5 %

Legal Information

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


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Warning

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3



Certificates of Analysis (COA)

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