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Merck
CN

1.02739

Copper(I) chloride

for analysis EMSURE® ACS

Synonym(s):

Copper(I) chloride, Copper monochloride

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About This Item

Empirical Formula (Hill Notation):
ClCu
CAS Number:
Molecular Weight:
99.00
UNSPSC Code:
12352302
EC Index Number:
231-842-9
NACRES:
NA.21
MDL number:
Assay:
≥97.0% (manganometric)
Grade:
ACS reagent
Form:
solid
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grade

ACS reagent

Quality Level

product line

EMSURE®

assay

≥97.0% (manganometric)

form

solid

potency

336 mg/kg LD50, oral (Rat)

impurities

≤0.02% Substances insoluble in acid, ≤0.5% Substances not precipitated by hydrogen sulfide (as SO4)

pH

5 (20 °C, 50 g/L in H2O, slurry)

bp

1367 °C/1013 hPa

mp

422 °C

density

4.14 g/cm3 at 25 °C

bulk density

1600‑1800 kg/m3

anion traces

sulfate (SO42-): ≤0.05%

cation traces

As: ≤0.0002%, Ca: ≤0.01%, Fe: ≤0.005%, K: ≤0.02%, Na: ≤0.05%, Pb: ≤0.02%

storage temp.

2-30°C

SMILES string

[Cu]Cl

InChI

1S/ClH.Cu/h1H;/q;+1/p-1

InChI key

OXBLHERUFWYNTN-UHFFFAOYSA-M

Analysis Note

Assay (manganometric): ≥ 97.0 %
Substances insoluble in acid: ≤ 0.02 %
Sulfate (SO₄): ≤ 0.05 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.02 %
Na (Sodium): ≤ 0.05 %
Pb (Lead): ≤ 0.02 %
Substances not precipitated by hydrogen sulfide (as SO₄): ≤ 0.5 %
Corresponds to ACS

Legal Information

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


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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
102739025004022536036236
102739902504022536036243