Merck
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1.02739

Supelco

Copper(I) chloride

for analysis EMSURE® ACS

Synonym(s):
Copper monochloride, Copper(I) chloride
Empirical Formula (Hill Notation):
ClCu
CAS Number:
Molecular Weight:
99.00
MDL number:
EC Index Number:
231-842-9

Quality Level

grade

ACS reagent

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

InChI

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

InChI key

OXBLHERUFWYNTN-UHFFFAOYSA-M

Related Categories

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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