Potassium hydrogen phthalate, for HPLC 99%+

Name: Potassium hydrogen phthalate, for HPLC 99%+
Brand: Vaqora Chemicals
SKU: VQ-003105

About Potassium hydrogen phthalate, for HPLC 99%+

Potassium hydrogen phthalate (CAS 877-24-7) is a biological buffer offered by Vaqora Chemicals (HPLC grade), specified at ≥99% purity. Its molecular formula is C8H5KO4 and its molecular weight is 204.22 g/mol. Its systematic (IUPAC) name is potassium 2-carboxybenzoate. Alternative names: KHP and Phthalic acid monopotassium salt.

The material typically appears as a white powder. Reported physical data include a melting point of 295-300 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span buffer preparation, cell culture, electrophoresis and chromatography and analytical determinations. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Potassium hydrogen phthalate in 250 g, 500 g and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Buffer preparation
Cell culture
Electrophoresis & chromatography
Analytical determinations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium hydrogen phthalate, for HPLC 99%+
Catalogue No.	VQ-003105
CAS Number	877-24-7
IUPAC name	potassium 2-carboxybenzoate
Molecular formula	C₈H₅KO₄
Molecular weight	204.22 g/mol
Exact mass	203.9825
Grade	HPLC
Purity / assay	≥99%
HSN code	29173990
InChIKey	IWZKICVEHNUQTL-UHFFFAOYSA-M
SMILES	C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+]
PubChem CID	23676735

Physical properties
Physical form	Powder
Appearance	White powder
Melting point	295-300 °C
H-bond donors / acceptors	1 / 4
TPSA	77.4 Å²
Synonyms	KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium phthalate monobasic, Hydrogen potassium phthalate, Potassium acid phthalate, 1,2-Benzenedicarboxylic acid, monopotassium salt, Monopotassium phthalate, Phthalic acid, monopotassium salt, 1,2-Benzenedicarboxylic acid, potassium salt (1:1), Phthalic acid monopotassium

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements: P264 + P265, P280, P305 + P354 + P338, P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 877-24-7

Extra Pure

Potassium hydrogen phthalate, 99%

CAS: 877-24-7
Formula: C₈H₅KO₄
MW: 204.22 g/mol

VQ-014028

AR

Potassium hydrogen phthalate, GR 99%+

CAS: 877-24-7
Formula: C₈H₅KO₄
MW: 204.22 g/mol

VQ-014029

Frequently asked questions

What is the CAS number of Potassium hydrogen phthalate, for HPLC 99%+?

The CAS Registry Number of Potassium hydrogen phthalate, for HPLC 99%+ is 877-24-7. It is also known as KHP, Phthalic acid monopotassium salt, Potassium biphthalate.

What is the molecular formula and molecular weight of Potassium hydrogen phthalate, for HPLC 99%+?

Potassium hydrogen phthalate, for HPLC 99%+ has the molecular formula C8H5KO4 and a molecular weight of 204.22 g/mol. Its IUPAC name is potassium 2-carboxybenzoate.

Which grade and pack sizes of Potassium hydrogen phthalate, for HPLC 99%+ can I order?

We supply Potassium hydrogen phthalate, for HPLC 99%+ in HPLC (≥99%) grade, in 250 g, 500 g, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium hydrogen phthalate, for HPLC 99%+?

Yes. Every lot of Potassium hydrogen phthalate, for HPLC 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Potassium hydrogen phthalate, for HPLC 99%+ be shipped internationally?

Yes. Potassium hydrogen phthalate, for HPLC 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.