Sodium phosphate, dibasic, anhydrous, GR 99%+ 7558-79-4

Name: Sodium phosphate, dibasic, anhydrous, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-014211

About Sodium phosphate, dibasic, anhydrous, GR 99%+

Sodium phosphate, dibasic (CAS 7558-79-4) is an alkali metal compound offered by Vaqora Chemicals (AR grade), specified at ≥99% purity. Its molecular formula is HNa2O4P and its molecular weight is 141.96 g/mol. Its systematic (IUPAC) name is disodium. Hydrogen phosphate. It is also known as sec-Sodium phosphate or Disodium hydrogen phosphate.

It is supplied as a white crystalline powder. Key physical data: a melting point of 240 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

It is commonly used for pharmaceutical synthesis, buffer preparation, food and flavour applications and surfactants and detergency. It is used across academic and industrial research.

We offer Sodium phosphate, dibasic in 500 g, 5 kg, 25 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmaceutical synthesis
Buffer preparation
Food & flavour applications
Surfactants & detergency

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium phosphate, dibasic, anhydrous, GR 99%+
Catalogue No.	VQ-014211
CAS Number	7558-79-4
IUPAC name	disodium;hydrogen phosphate
Molecular formula	HNa₂O₄P
Molecular weight	141.96 g/mol
Exact mass	141.9408
Grade	AR
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 crystalline powder
Melting point	240 °C
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

HPLC

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

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

VQ-003126

All 10 products with CAS 7558-79-4 →

Frequently asked questions

What is the CAS number of Sodium phosphate, dibasic, anhydrous, GR 99%+?

The CAS Registry Number of Sodium phosphate, dibasic, anhydrous, GR 99%+ 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, GR 99%+?

Sodium phosphate, dibasic, anhydrous, GR 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, GR 99%+ can I order?

We supply Sodium phosphate, dibasic, anhydrous, GR 99%+ in AR (≥99%) grade, in 500 g, 5 kg, 25 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, GR 99%+?

Yes. Every lot of Sodium phosphate, dibasic, anhydrous, GR 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, GR 99%+ be shipped internationally?

Yes. Sodium phosphate, dibasic, anhydrous, GR 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.