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

Sodium phosphate, dibasic, anhydrous, GR 99%+

ARAvailable on request

Order Sodium phosphate, dibasic, anhydrous, GR 99%+ (CAS 7558-79-4) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Sodium phosphate, dibasic, anhydrous, GR 99%+ chemical structure
CAS number7558-79-4
FormulaHNa2O4P
Molar mass141.96 g/mol
Physical formPowder
HS code28352990
Purity≥99%
InChIKeyBNIILDVGGAEEIG-UHFFFAOYSA-L
IUPAC namedisodium;hydrogen phosphate

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

Zemixal supplies Sodium phosphate, dibasic, anhydrous, GR 99%+ within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (AR): CAS 7558-79-4, formula HNa2O4P and molar mass 141.96 g/mol. Typical appearance is white crystalline powder.

Common uses in the lab and plant

  • Pharmaceutical synthesis
  • Buffer preparation
  • Food & flavour applications
  • Surfactants & detergency

Safe handling

Literature values: melting point 240 °C. Classified under GHS with signal word Warning and hazard statements H319. Read the SDS before first use.

Order it in 500 g, 5 kg, 25 kg and 4 x 25 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Pharmaceutical synthesis
  • Buffer preparation
  • Food & flavour applications
  • Surfactants & detergency

Applications

Grade guides

Specifications and identifiers

Specifications of Sodium phosphate, dibasic, anhydrous, GR 99%+
Product nameSodium phosphate, dibasic, anhydrous, GR 99%+
Catalogue numberZX-013269
CAS number7558-79-4
IUPAC namedisodium;hydrogen phosphate
Molecular formulaHNa2O4P
Molar mass141.96 g/mol
Exact mass141.9408
GradeAR
Purity / assay≥99%
Physical formPowder
AppearanceWhite crystalline powder
Melting point240 °C
H-bond donors / acceptors1 / 4
Topological polar surface area83.4 Ų
HS code28352990
InChIKeyBNIILDVGGAEEIG-UHFFFAOYSA-L
SMILESOP(=O)([O-])[O-].[Na+].[Na+]
PubChem CID24203
Synonymssec-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

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, anhydrous, GR 99%+
500 gQuoted on request
5 kgQuoted on request
25 kgQuoted on request
4 x 25 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, anhydrous, GR 99%+

Which CAS number identifies Sodium phosphate, dibasic, anhydrous, GR 99%+?
Sodium phosphate, dibasic, anhydrous, GR 99%+ is registered under CAS 7558-79-4. You may also see it listed as sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate. Our catalogue number for this item is ZX-013269.
What are the formula and molar mass of Sodium phosphate, dibasic, anhydrous, GR 99%+?
For Sodium phosphate, dibasic, anhydrous, GR 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, GR 99%+?
This listing is AR grade with ≥99% purity. Standard packs are 500 g, 5 kg, 25 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium phosphate, dibasic, anhydrous, GR 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, GR 99%+ to my country?
Yes. Because Sodium phosphate, dibasic, anhydrous, GR 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

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