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Merck
CN

1.02539

Cobalt(II) chloride hexahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):

Cobalt(II) chloride hexahydrate, Cobalt dichloride

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About This Item

Empirical Formula (Hill Notation):
Cl2Co · 6H2O
CAS Number:
Molecular Weight:
237.93
UNSPSC Code:
12352302
EC Index Number:
231-589-4
NACRES:
NA.21
MDL number:
Assay:
99.0-102.0% (complexometric)
Grade:
ACS reagent
Form:
solid
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grade

ACS reagent

Quality Level

agency

reag. Ph. Eur.

product line

EMSURE®

assay

99.0-102.0% (complexometric)

form

solid

potency

766 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)

impurities

≤0.01% Insoluble matter

pH

4.9 (25 °C, 50 g/L in H2O)

mp

56 °C

density

1.92 g/cm3 at 25 °C

bulk density

1250 kg/m3

anion traces

nitrate (NO3-): ≤0.01%, sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%, Cu: ≤0.0005%, Fe: ≤0.001%, K: ≤0.005%, Mg: ≤0.002%, Mn: ≤0.001%, Na: ≤0.01%, Ni: ≤0.005%, Pb: ≤0.0005%, Zn: ≤0.002%

storage temp.

2-30°C

SMILES string

[Co](Cl)Cl.O.O.O.O.O.O

InChI

1S/2ClH.Co.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

InChI key

GFHNAMRJFCEERV-UHFFFAOYSA-L

Application


  • Nitrogen, Cobalt Co-doped Fluorescent Magnetic Carbon Dots: Cobalt(II) chloride hexahydrate is utilized in synthesizing nitrogen and cobalt co-doped fluorescent magnetic carbon dots. These innovative materials serve as ratiometric fluorescent probes for the detection of cholesterol and uric acid in human blood serum, demonstrating a significant application in medical diagnostics and research (Huang S et al., 2019).

Analysis Note

Assay (complexometric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.010 %
Nitrate (NO₃): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.002 %
Mn (Manganese): ≤ 0.001 %
Na (Sodium): ≤ 0.01 %
Ni (Nickel): ≤ 0.005 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.002 %

Other Notes

Replaces: CX1800

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 - Carc. 1B Inhalation - Eye Dam. 1 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品

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Global Trade Item Number

SKUGTIN
102539010004022536034522
102539025004022536034539