Sodium phosphate, dibasic, dihydrate, GR 99%+ 10028-24-7

Name: Sodium phosphate, dibasic, dihydrate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-014213

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

Sodium phosphate, dibasic, dihydrate is an alkali metal compound (AR grade) carrying the CAS registry number 10028-24-7 with a typical assay of ≥99%. The compound has the formula H5Na2O6P, corresponding to a molecular weight of 177.99 g/mol. Its systematic (IUPAC) name is disodium. Hydrogen phosphate. Dihydrate. Alternative names: sec-Sodium phosphate and Disodium hydrogen phosphate dihydrate.

The material typically appears as white powder to crystals. 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.

Key uses span water treatment and materials research. It is used across academic and industrial research.

Vaqora Chemicals supplies Sodium phosphate, dibasic, dihydrate in 500 g, 5 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Water treatment
Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium phosphate, dibasic, dihydrate, GR 99%+
Catalogue No.	VQ-014213
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	AR
Purity / assay	≥99%
HSN code	28352990
InChIKey	KDQPSPMLNJTZAL-UHFFFAOYSA-L
SMILES	O.O.OP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID	6451167

Physical properties
Physical form	Crystalline
Appearance	White powder to crystals
H-bond donors / acceptors	3 / 6
TPSA	85.4 Å²
Synonyms	sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, di-Sodium hydrogen phosphate dihydrate, Sodium phosphate dibasic dihydrate, Disodium phosphate dihydrate, Phosphoric acid, disodium salt, dihydrate, Sodium phosphate, dibasic, dihydrate, sodium monohydrogen phosphate dihydrat, Disodium hydrogen phosphate, dihydrate, sodium hydrogen orthophosphate dihydrate, sodium hydrogen phosphate--water (1/2)

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

USP

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

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

VQ-046768

Frequently asked questions

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

The CAS Registry Number of Sodium phosphate, dibasic, dihydrate, GR 99%+ is 10028-24-7. It is also known as sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate.

What is the molecular formula and molecular weight of Sodium phosphate, dibasic, dihydrate, GR 99%+?

Sodium phosphate, dibasic, dihydrate, GR 99%+ has the molecular formula H5Na2O6P and a molecular weight of 177.99 g/mol.

Which grade and pack sizes of Sodium phosphate, dibasic, dihydrate, GR 99%+ can I order?

We supply Sodium phosphate, dibasic, dihydrate, GR 99%+ in AR (≥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, dihydrate, GR 99%+?

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

Yes. Sodium phosphate, dibasic, dihydrate, 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.