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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

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

USPAvailable on request

Order Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% (CAS 10028-24-7) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% chemical structure
CAS number10028-24-7
FormulaH5Na2O6P
Molar mass177.99 g/mol
HS code28352990
Purity98.00–100.50%
InChIKeyKDQPSPMLNJTZAL-UHFFFAOYSA-L
IUPAC namedisodium;hydrogen phosphate;dihydrate

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

Zemixal supplies Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (USP), the material is defined by CAS 10028-24-7, formula H5Na2O6P and molar mass 177.99 g/mol.

Use cases we see most often

  • Buffer preparation
  • Cell & microbial culture
  • Molecular biology workflows

Storage and safety notes

Hazard communication follows GHS (Warning: H319). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 500 g, 1 kg and 5 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Buffer preparation
  • Cell & microbial culture
  • Molecular biology workflows

Applications

Research Labs and Universities

Grade guides

USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%
Product nameSodium phosphate, dibasic, dihydrate, USP 98.00–100.50%
Catalogue numberZX-038247
CAS number10028-24-7
IUPAC namedisodium;hydrogen phosphate;dihydrate
Molecular formulaH5Na2O6P
Molar mass177.99 g/mol
Exact mass177.9619
GradeUSP
Purity / assay98.00–100.50%
H-bond donors / acceptors3 / 6
Topological polar surface area85.4 Ų
HS code28352990
InChIKeyKDQPSPMLNJTZAL-UHFFFAOYSA-L
SMILESO.O.OP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID6451167
SynonymsDisodium 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H319Causes serious eye irritation

Precautionary statements P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%
500 gQuoted on request
1 kgQuoted on request
5 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

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

Which CAS number identifies Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?
Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% is registered under CAS 10028-24-7. You may also see it listed as Disodium phosphate dihydrate, Disodium hydrogen phosphate dihydrate, Phosphoric acid, disodium salt, dihydrate. Our catalogue number for this item is ZX-038247.
What are the formula and molar mass of Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?
For Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%, its formula is H5Na2O6P and its molar mass is 177.99 g/mol. InChIKey KDQPSPMLNJTZAL-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?
This listing is USP grade with 98.00–100.50% purity. Standard packs are 500 g, 1 kg, 5 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% to my country?
Yes. Because Sodium phosphate, dibasic, dihydrate, USP 98.00–100.50% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 10028-24-7

All 8 grades

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