Sodium phosphate, dibasic, anhydrous, for HPL… 7558-79-4

Name: Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%
Brand: Vaqora Chemicals
SKU: VQ-003126

About Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%

Sodium phosphate, dibasic is a biological buffer in HPLC grade carrying the CAS registry number 7558-79-4, specified at ≥99% purity. With the molecular formula HNa2O4P, it has a molar mass of 141.96 g/mol. Systematically, it is named disodium. Hydrogen phosphate. It is also known as sec-Sodium phosphate or Disodium hydrogen phosphate.

In its supplied form it is a white powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span buffer preparation, cell culture, electrophoresis and chromatography and surfactants and detergency. It is used across academic and industrial research and diagnostics and biotechnology.

Available in 500 g, 5 kg and 4 x 25 kg packs, Sodium phosphate, dibasic is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Buffer preparation
Cell culture
Electrophoresis & chromatography
Surfactants & detergency

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%
Catalogue No.	VQ-003126
CAS Number	7558-79-4
IUPAC name	disodium;hydrogen phosphate
Molecular formula	HNa₂O₄P
Molecular weight	141.96 g/mol
Exact mass	141.9408
Grade	HPLC
Purity / assay	≥99%
HSN code	28352990
InChIKey	BNIILDVGGAEEIG-UHFFFAOYSA-L
SMILES	OP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID	24203

Physical properties
Physical form	Powder
Appearance	White powder
H-bond donors / acceptors	1 / 4
TPSA	83.4 Å²
Synonyms	sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate, Sodium phosphate dibasic, Disodium hydrogenorthophosphate, Sodium phosphate, dibasic, Dibasic sodium phosphate, Disodium acid phosphate, Soda phosphate, Exsiccated sodium phosphate, disodium hydrogenphosphate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + 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 7558-79-4

BP/USP/EP / Cell Cult…

Sodium phosphate, dibasic anhydrous, BP/USP/EP, cell culture tested

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-046041

Cell Culture

Sodium phosphate, dibasic anhydrous, cell culture tested

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-046246

EP/Ph. Eur. / ACS

Sodium phosphate, dibasic anhydrous, EP/Ph. Eur., ACS

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-045799

HPLC / Spectroscopy

Sodium phosphate, dibasic anhydrous, for HPLC, for spectroscopy

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-046536

USP

Sodium phosphate, dibasic anhydrous, USP 98.0%

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-045720

Sodium phosphate, dibasic, anhydrous, 99.99%

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-014210

Sodium phosphate, dibasic, anhydrous, 99%

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-014209

Molecular Biology

Sodium phosphate, dibasic, anhydrous, for molecular biology, 99.5%

CAS: 7558-79-4
Formula: HNa₂O₄P
MW: 141.96 g/mol

VQ-003423

All 10 products with CAS 7558-79-4 →

Frequently asked questions

What is the CAS number of Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%?

The CAS Registry Number of Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% is 7558-79-4. It is also known as sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate.

What is the molecular formula and molecular weight of Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%?

Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% has the molecular formula HNa2O4P and a molecular weight of 141.96 g/mol.

Which grade and pack sizes of Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% can I order?

We supply Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% in HPLC (≥99%) grade, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%?

Yes. Every lot of Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% 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 Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% be shipped internationally?

Yes. Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5% 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.