Sodium phosphate, dibasic anhydrous, USP 98.0% 7558-79-4

Name: Sodium phosphate, dibasic anhydrous, USP 98.0%
Brand: Vaqora Chemicals
SKU: VQ-045720

About Sodium phosphate, dibasic anhydrous, USP 98.0%

Sodium phosphate is an alkali metal compound (USP grade) carrying the CAS registry number 7558-79-4, specified at 98.0% purity. Formula HNa2O4P, molecular weight 141.96 g/mol. It is also known as Sodium phosphate dibasic or Disodium hydrogen phosphate.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include buffer preparation, cell and microbial culture, molecular biology workflows and nanotechnology research. Our customers for this product work in academic and industrial research.

Available in 500 g, 5 kg, 25 kg and 50 kg packs, Sodium phosphate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Buffer preparation
Cell & microbial culture
Molecular biology workflows
Nanotechnology research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium phosphate, dibasic anhydrous, USP 98.0%
Catalogue No.	VQ-045720
CAS Number	7558-79-4
IUPAC name	disodium;hydrogen phosphate
Molecular formula	HNa₂O₄P
Molecular weight	141.96 g/mol
Exact mass	141.9408
Grade	USP
Purity / assay	98.0%
HSN code	28352990
InChIKey	BNIILDVGGAEEIG-UHFFFAOYSA-L
SMILES	OP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID	24203

Physical properties
Physical form	Other
H-bond donors / acceptors	1 / 4
TPSA	83.4 Å²
Synonyms	Sodium phosphate dibasic, Disodium hydrogen phosphate, Disodium hydrogenorthophosphate, Sodium phosphate, dibasic, Dibasic sodium phosphate, Disodium acid phosphate, Soda phosphate, Exsiccated sodium phosphate, disodium hydrogenphosphate, Sodium hydrogen phosphate, Disodium orthophosphate, Phosphoric acid, disodium salt

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

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

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, USP 98.0%?

The CAS Registry Number of Sodium phosphate, dibasic anhydrous, USP 98.0% is 7558-79-4. It is also known as Sodium phosphate dibasic, Disodium hydrogen phosphate, Disodium hydrogenorthophosphate.

What is the molecular formula and molecular weight of Sodium phosphate, dibasic anhydrous, USP 98.0%?

Sodium phosphate, dibasic anhydrous, USP 98.0% has the molecular formula HNa2O4P and a molecular weight of 141.96 g/mol.

Which grade and pack sizes of Sodium phosphate, dibasic anhydrous, USP 98.0% can I order?

We supply Sodium phosphate, dibasic anhydrous, USP 98.0% in USP (98.0%) grade, in 500 g, 5 kg, 25 kg, 50 kg, 50 kg (5 x 10) packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium phosphate, dibasic anhydrous, USP 98.0%?

Yes. Every lot of Sodium phosphate, dibasic anhydrous, USP 98.0% 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, USP 98.0% be shipped internationally?

Yes. Sodium phosphate, dibasic anhydrous, USP 98.0% 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.