CAS Registry Number

CAS 877-24-7 — Potassium hydrogen phthalate

CAS 877-24-7 HOOCC6H4COOK MW 204.22

Potassium hydrogen phthalate (KHP) is a high-purity organic acid salt widely used as a primary standard in acid-base titrations, pH buffer preparation, and analytical chemistry for precise calibration. It is non-hazardous and stable under normal conditions. This chemical has a CAS number of 877-24-7, with the molecular formula HOOCC6H4COOK and a molecular weight of 204.22. It is stored at ambient temperatures and carries no signal word for hazard classification. Molekula supplies potassium hydrogen phthalate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Potassium hydrogen phthalate standard - NIST-2185

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Molekula products for CAS 877-24-7

Potassium hydrogen phthalate

SKU 13173220

In stock Building Blocks

Potassium hydrogen phthalate standard - NIST-2185

SKU 90035050

Made to order Building Blocks

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.