Sodium phosphate, dibasic, anhydrous, 99.99%

Name: Sodium phosphate, dibasic, anhydrous, 99.99%
Brand: Vaqora Chemicals
SKU: VQ-014210

About Sodium phosphate, dibasic, anhydrous, 99.99%

Listed under CAS 7558-79-4, Sodium phosphate, dibasic is an alkali metal compound available from Vaqora Chemicals at a purity of 99.99%. 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 Sodium hydrogenphosphate or Disodium phosphate.

The material typically appears as white powder or crystals. Key physical data: a melting point of 250 °C. 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.

Typical applications include water treatment and materials research. Our customers for this product work in academic and industrial research.

Available in 100 g, 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

Water treatment
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium phosphate, dibasic, anhydrous, 99.99%
Catalogue No.	VQ-014210
CAS Number	7558-79-4
IUPAC name	disodium;hydrogen phosphate
Molecular formula	HNa₂O₄P
Molecular weight	141.96 g/mol
Exact mass	141.9408
Purity / assay	99.99%
HSN code	28352990
InChIKey	BNIILDVGGAEEIG-UHFFFAOYSA-L
SMILES	OP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID	24203

Physical properties
Physical form	Crystalline
Appearance	White powder or crystals
Melting point	250 °C
H-bond donors / acceptors	1 / 4
TPSA	83.4 Å²
Synonyms	Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate, Sodium phosphate dibasic, sec-Sodium phosphate, di-Sodium hydrogen phosphate, Disodium hydrogenorthophosphate, Sodium phosphate, dibasic, Dibasic sodium phosphate, Disodium acid phosphate, Soda phosphate, Exsiccated sodium phosphate

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%

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

VQ-014209

HPLC

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

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

VQ-003126

Molecular Biology

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

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

VQ-003423

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Frequently asked questions

What is the CAS number of Sodium phosphate, dibasic, anhydrous, 99.99%?

The CAS Registry Number of Sodium phosphate, dibasic, anhydrous, 99.99% is 7558-79-4. It is also known as Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate.

What is the molecular formula and molecular weight of Sodium phosphate, dibasic, anhydrous, 99.99%?

Sodium phosphate, dibasic, anhydrous, 99.99% has the molecular formula HNa2O4P and a molecular weight of 141.96 g/mol.

Which grade and pack sizes of Sodium phosphate, dibasic, anhydrous, 99.99% can I order?

We supply Sodium phosphate, dibasic, anhydrous, 99.99% in (99.99%) grade, in 100 g, 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, 99.99%?

Yes. Every lot of Sodium phosphate, dibasic, anhydrous, 99.99% 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 Sodium phosphate, dibasic, anhydrous, 99.99% be shipped internationally?

Yes. Sodium phosphate, dibasic, anhydrous, 99.99% 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.