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Merck

PHR1329

Supelco

Potassium Chloride

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Potassium chloride

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5 G
CHF 49.40

About This Item

Linear Formula:
KCl
CAS Number:
Molecular Weight:
74.55
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

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CHF 49.40


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Technical Service
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grade

certified reference material
pharmaceutical secondary standard

Quality Level

Agency

traceable to USP 1548190

API family

potassium chloride

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

770 °C (lit.)

density

1.98 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

SMILES string

[Cl-].[K+]

InChI

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

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

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1 of 4

This Item
15481901.049351.37009
application(s)

pharmaceutical (small molecule)

application(s)

pharmaceutical (small molecule)

application(s)

liquid formulation
ophthalmics
pharmaceutical
solid formulation

application(s)

liquid formulation
ophthalmics
parenterals
pharma/biopharma processes
pharmaceutical

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

technique(s)

-

format

neat

format

neat

format

-

format

-

Quality Level

300

Quality Level

-

Quality Level

500

Quality Level

500

grade

certified reference material, pharmaceutical secondary standard

grade

pharmaceutical primary standard

grade

-

grade

-

storage temp.

2-30°C

storage temp.

-

storage temp.

15-25°C

storage temp.

15-25°C

General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Application

May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.
Potassium Chloride may be used as a pharmaceutical reference standard for the determination of the analyte in pharmaceutical formulations by chromatography.[1]
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAB7667 in the slot below. This is an example certificate only and may not be the lot that you receive.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

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’.

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Questions

1–3 of 3 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. Will this be NIST traceable

    1 answer
    1. Yes. This product is traceable to NIST.

      Helpful?

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