Skip to Content
Merck
CN

1.04933

Potassium chloride

for analysis (<= 0.005% Br) EMSURE® ACS,ISO,Reag. Ph Eur

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
KCl
CAS Number:
Molecular Weight:
74.55
NACRES:
NA.21
EC Index Number:
231-211-8
UNSPSC Code:
12352302
MDL number:
Assay:
99-100.5% dry basis (silver nitrate titration), 99.5-100.5% (silver nitrate titration)
Grade:
ACS reagent
Form:
solid
Solubility:
water: soluble ((355 g/l at 25 °C (77 °F))
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


grade

ACS reagent

Quality Level

agency

reag. ISO, reag. Ph. Eur.

product line

EMSURE®

assay

99-100.5% dry basis (silver nitrate titration), 99.5-100.5% (silver nitrate titration)

form

solid

potency

2600 mg/kg LD50, oral (Rat)

impurities

≤0.005% Insoluble matter

loss

≤1% loss on drying, 105°C

pH

5.5-8.0 (25 °C, 50 g/L in H2O)

bp

1413 °C/1013 hPa

mp

770 °C (lit.)

solubility

water: soluble ((355 g/l at 25 °C (77 °F))

density

1.98 g/mL at 25 °C (lit.)

bulk density

1000 kg/m3

anion traces

bromide (Br-): ≤0.005%, chlorate, nitrate (as NO3-): ≤0.003%, iodide (I-): ≤0.002%passes test, phosphate (PO43-): ≤0.0005%, sulfate (SO42-): ≤0.001%

cation traces

heavy metals: ≤0.0005% (ACS), heavy metals: ≤0.0005%, Ba:, passes test, Ca: ≤0.001%, Fe: ≤0.0002%, Mg: ≤0.0005%, Mg: ≤0.02% (alkaline earth metals (as Ca)), N: ≤0.001%, Na: ≤0.005%

storage temp.

2-30°C

SMILES string

[Cl-].[K+]

InChI

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

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

Application

May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.

Analysis Note

Assay (argentometric): 99.5 - 100.5 %
Assay (argentometric; calculated on dried substance): 99.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: = 0.005 %
pH-value (5 %; water): 5.5 - 8.0
Acidity or alkalinity: passes test
Bromide (Br): = 0.005 %
Chlorate and Nitrate (as NO3): = 0.003 %
Iodide (I): = 0.002 % passes test
Phosphate (PO4): = 0.0005 %
Sulfate (SO4): = 0.001 %
Total nitrogen (N): = 0.001 %
Heavy metals (as Pb): = 0.0005 %
Ba (Barium): passes test
Ca (Calcium): = 0.001 %
Fe (Iron): = 0.0002 %
Mg (Magnesium): = 0.0005 %
Na (Sodium): = 0.005 %
heavy metals (ACS) = 0.0005 %
Magnesium and alkaline-earth metals (as Ca): = 0.02 %
Loss on Drying (105°C): = 1.0 %Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

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


Still not finding the right product?

Explore all of our products under Potassium chloride


Storage Class

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library





Global Trade Item Number

SKUGTIN
104933050004022536057347
104933902504027269127848