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Alkali Metal Compounds (Li, Na, K, Rb, Cs)Extra PureAvailable on request

Sodium Acid Pyrophosphate, extra pure

Synonyms: Disodium dihydrogen pyrophosphate · Disodium dihydrogen diphosphate · Disodium acid pyrophosphate · Diphosphoric acid, disodium salt

CAS No.7758-16-9
FormulaH2Na2O7P2
Mol. weight221.94
Catalogue No.VQ-020349
PurityExtra Pure
HSN—

Sodium Acid Pyrophosphate (CAS 7758-16-9) – alkali metal compound, Extra Pure grade. H2Na2O7P2, MW 221.94. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
25 g
100 g
500 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Sodium Acid Pyrophosphate, extra pure

Vaqora Chemicals supplies Sodium Acid Pyrophosphate (Extra Pure grade), an alkali metal compound registered under CAS number 7758-16-9. Formula H2Na2O7P2, molecular weight 221.94 g/mol. Alternative names: Disodium dihydrogen pyrophosphate and Disodium dihydrogen diphosphate.

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.

It is commonly used for materials research and chemical synthesis. Typical end-use sectors are academic and industrial research.

We offer Sodium Acid Pyrophosphate in 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

  • Materials research
  • Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameSodium Acid Pyrophosphate, extra pure
Catalogue No.VQ-020349
CAS Number7758-16-9
IUPAC namedisodium;[hydroxy(oxido)phosphoryl] hydrogen phosphate
Molecular formulaH2Na2O7P2
Molecular weight221.94 g/mol
Exact mass221.9071
GradeExtra Pure
InChIKeyGYQBBRRVRKFJRG-UHFFFAOYSA-L
SMILESOP(=O)([O-])OP(=O)(O)[O-].[Na+].[Na+]
PubChem CID24451
Physical properties
Physical formOther
H-bond donors / acceptors2 / 7
TPSA130 Ų
SynonymsDisodium dihydrogen pyrophosphate, Disodium dihydrogen diphosphate, Disodium acid pyrophosphate, Diphosphoric acid, disodium salt, Pyrophosphoric acid, disodium salt, Disodium dihydrogenpyrophosphate, Sodium pyrophosphate (Na2H2P2O7), Diphosphoric Acid Disodium Salt, Diphosphoric acid, sodium salt (1:2), di-sodium dihydrogen pyrophosphate anhydrous, Disodiumpytophosphate

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Sodium Acid Pyrophosphate, extra pure?

The CAS Registry Number of Sodium Acid Pyrophosphate, extra pure is 7758-16-9. It is also known as Disodium dihydrogen pyrophosphate, Disodium dihydrogen diphosphate, Disodium acid pyrophosphate.

What is the molecular formula and molecular weight of Sodium Acid Pyrophosphate, extra pure?

Sodium Acid Pyrophosphate, extra pure has the molecular formula H2Na2O7P2 and a molecular weight of 221.94 g/mol.

Which grade and pack sizes of Sodium Acid Pyrophosphate, extra pure can I order?

We supply Sodium Acid Pyrophosphate, extra pure in Extra Pure grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium Acid Pyrophosphate, extra pure?

Yes. Every lot of Sodium Acid Pyrophosphate, extra pure 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 Acid Pyrophosphate, extra pure be shipped internationally?

Yes. Sodium Acid Pyrophosphate, extra pure 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.

Enquire about Sodium Acid Pyrophosphate, extra pure

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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