Sodium phosphate, dibasic, dihydrate, USP 98.… 10028-24-7

Name: Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%
Brand: Vaqora Chemicals
SKU: VQ-046768

About Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%

Sodium phosphate, dibasic, dihydrate (CAS 10028-24-7) is an alkali metal compound offered by Vaqora Chemicals in USP grade, specified at 98.00–100.50% purity. Formula H5Na2O6P, molecular weight 177.99 g/mol. Common synonyms include Disodium phosphate dihydrate and Disodium hydrogen phosphate dihydrate.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span buffer preparation, cell and microbial culture and molecular biology workflows. It is used across academic and industrial research.

Standard pack sizes are 500 g, 1 kg and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Buffer preparation
Cell & microbial culture
Molecular biology workflows

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%
Catalogue No.	VQ-046768
CAS Number	10028-24-7
IUPAC name	disodium;hydrogen phosphate;dihydrate
Molecular formula	H₅Na₂O₆P
Molecular weight	177.99 g/mol
Exact mass	177.9619
Grade	USP
Purity / assay	98.00–100.50%
HSN code	28352990
InChIKey	KDQPSPMLNJTZAL-UHFFFAOYSA-L
SMILES	O.O.OP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID	6451167

Physical properties
Physical form	Other
H-bond donors / acceptors	3 / 6
TPSA	85.4 Å²
Synonyms	Disodium phosphate dihydrate, Disodium hydrogen phosphate dihydrate, Phosphoric acid, disodium salt, dihydrate, di-Sodium hydrogen phosphate dihydrate, sodium monohydrogen phosphate dihydrat, Disodium hydrogen phosphate, dihydrate, sodium hydrogen orthophosphate dihydrate, sodium hydrogen phosphate--water (1/2), Nat Phos 3X, Nat Phos 12X

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 10028-24-7

Sodium phosphate, dibasic, dihydrate, 99%

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-014212

AR / HPLC

Sodium phosphate, dibasic, dihydrate, AR, for HPLC >99%

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-045798

BP/USP/EP / Cell Cult…

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

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-046042

Cell Culture

Sodium phosphate, dibasic, dihydrate, cell culture tested

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-046247

HPLC

Sodium phosphate, dibasic, dihydrate, for HPLC ≥99.0%

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-045504

Molecular Biology

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

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-003424

AR

Sodium phosphate, dibasic, dihydrate, GR 99%+

CAS: 10028-24-7
Formula: H₅Na₂O₆P
MW: 177.99 g/mol

VQ-014213

Frequently asked questions

What is the CAS number of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?

The CAS Registry Number of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% is 10028-24-7. It is also known as Disodium phosphate dihydrate, Disodium hydrogen phosphate dihydrate, Phosphoric acid, disodium salt, dihydrate.

What is the molecular formula and molecular weight of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?

Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% has the molecular formula H5Na2O6P and a molecular weight of 177.99 g/mol.

Which grade and pack sizes of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% can I order?

We supply Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% in USP (98.00–100.50%) grade, in 500 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?

Yes. Every lot of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% 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, dihydrate, USP 98.00–100.50% be shipped internationally?

Yes. Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% 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.