Sodium phosphate, dibasic anhydrous, BP/USP/EP, cell culture tested
- CAS
- 7558-79-4
- Formula
- HNa2O4P
- MW
- 141.96 g/mol
ZX-037520
Alkali Metal Compounds (Li, Na, K, Rb, Cs)
Sodium phosphate, dibasic, anhydrous, 99.99%
Available on request
Buy Sodium phosphate, dibasic, anhydrous, 99.99% (CAS 7558-79-4) from Zemixal: HNa2O4P, COA and SDS with every lot, worldwide shipping.
CAS number7558-79-4
FormulaHNa2O4P
Molar mass141.96 g/mol
Physical formCrystalline
HS code28352990
Purity99.99%
InChIKeyBNIILDVGGAEEIG-UHFFFAOYSA-L
IUPAC namedisodium;hydrogen phosphate
About Sodium phosphate, dibasic, anhydrous, 99.99%
Sodium phosphate, dibasic, anhydrous, 99.99% sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. Identity at a glance (99.99%): CAS 7558-79-4, formula HNa2O4P and molar mass 141.96 g/mol. Typical appearance is white powder or crystals.
Use cases we see most often
- Water treatment
- Materials research
Storage and safety notes
Literature values: melting point 250 °C. It carries the GHS signal word Warning (H319), so wear gloves and eye protection and work with good ventilation.
Order it in 100 g, 500 g, 5 kg and 4 x 25 kg packs or ask for a bulk quotation. 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.
Specifications and identifiers
| Product name | Sodium phosphate, dibasic, anhydrous, 99.99% |
|---|---|
| Catalogue number | ZX-013268 |
| CAS number | 7558-79-4 |
| IUPAC name | disodium;hydrogen phosphate |
| Molecular formula | HNa2O4P |
| Molar mass | 141.96 g/mol |
| Exact mass | 141.9408 |
| Purity / assay | 99.99% |
| Physical form | Crystalline |
| Appearance | White powder or crystals |
| Melting point | 250 °C |
| H-bond donors / acceptors | 1 / 4 |
| Topological polar surface area | 83.4 Ų |
| HS code | 28352990 |
| InChIKey | BNIILDVGGAEEIG-UHFFFAOYSA-L |
| SMILES | OP(=O)([O-])[O-].[Na+].[Na+] |
| PubChem CID | 24203 |
| Synonyms | Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate, Sodium phosphate dibasic, sec-Sodium phosphate, di-Sodium hydrogen phosphate, Disodium hydrogenorthophosphate, Sodium phosphate, dibasic, Dibasic sodium phosphate, Disodium acid phosphate, Soda phosphate, Exsiccated sodium phosphate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
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
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 kg | Quoted 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, anhydrous, 99.99%
Which CAS number identifies Sodium phosphate, dibasic, anhydrous, 99.99%?
Sodium phosphate, dibasic, anhydrous, 99.99% is registered under CAS 7558-79-4. You may also see it listed as Sodium hydrogenphosphate, Disodium phosphate, Disodium hydrogen phosphate. Our catalogue number for this item is ZX-013268.
What are the formula and molar mass of Sodium phosphate, dibasic, anhydrous, 99.99%?
For Sodium phosphate, dibasic, anhydrous, 99.99%, its formula is HNa2O4P and its molar mass is 141.96 g/mol. InChIKey BNIILDVGGAEEIG-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Sodium phosphate, dibasic, anhydrous, 99.99%?
This listing is 99.99% purity. Standard packs are 100 g, 500 g, 5 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium phosphate, dibasic, anhydrous, 99.99%?
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, anhydrous, 99.99% to my country?
Yes. Because Sodium phosphate, dibasic, anhydrous, 99.99% 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 7558-79-4
All 10 gradesSodium phosphate, dibasic anhydrous, cell culture tested
- CAS
- 7558-79-4
- Formula
- HNa2O4P
- MW
- 141.96 g/mol
ZX-037725
Sodium phosphate, dibasic anhydrous, EP/Ph. Eur., ACS
- CAS
- 7558-79-4
- Formula
- HNa2O4P
- MW
- 141.96 g/mol
ZX-037278
Sodium phosphate, dibasic anhydrous, for HPLC, for spectroscopy
- CAS
- 7558-79-4
- Formula
- HNa2O4P
- MW
- 141.96 g/mol
ZX-038015
Sodium phosphate, dibasic, anhydrous, for HPLC, 99.5%
- CAS
- 7558-79-4
- Formula
- HNa2O4P
- MW
- 141.96 g/mol
ZX-003126
Sodium phosphate, dibasic, anhydrous, for molecular biology, 99.5%
- CAS
- 7558-79-4
- Formula
- HNa2O4P
- MW
- 141.96 g/mol
ZX-003423
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