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

tetra-Sodium pyrophosphate, anhydrous, 98%

Synonyms: Tetrasodium pyrophosphate · Sodium pyrophosphate · Tetrasodium diphosphate · Diphosphoric acid, tetrasodium salt

CAS No.7722-88-5
FormulaNa4O7P2
Mol. weight265.90
Catalogue No.VQ-014260
Purity98%
HSN28353900

tetra-Sodium pyrophosphate (CAS 7722-88-5) – alkali metal compound, Extra Pure grade, 98%. Na4O7P2, MW 265.9. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
500 g
5 kg
25 kg
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 tetra-Sodium pyrophosphate, anhydrous, 98%

tetra-Sodium pyrophosphate is an alkali metal compound in Extra Pure grade carrying the CAS registry number 7722-88-5 with a typical assay of 98%. The compound has the formula Na4O7P2, corresponding to a molecular weight of 265.9 g/mol. Its systematic (IUPAC) name is tetrasodium. Phosphonato phosphate. Alternative names: Tetrasodium pyrophosphate and Sodium pyrophosphate.

In its supplied form it is a white crystalline powder. Reported physical data include a density of 2.53 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Key uses span buffer preparation and materials research. Buyers come mainly from academic and industrial research.

Vaqora Chemicals supplies tetra-Sodium pyrophosphate in 500 g, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Buffer preparation
  • Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nametetra-Sodium pyrophosphate, anhydrous, 98%
Catalogue No.VQ-014260
CAS Number7722-88-5
IUPAC nametetrasodium;phosphonato phosphate
Molecular formulaNa4O7P2
Molecular weight265.9 g/mol
Exact mass265.871
GradeExtra Pure
Purity / assay98%
HSN code28353900
InChIKeyFQENQNTWSFEDLI-UHFFFAOYSA-J
SMILES[O-]P(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
PubChem CID24403
Physical properties
Physical formPowder
AppearanceWhite crystalline powder
Density2.53 g/mL at 25 °C
H-bond donors / acceptors0 / 7
TPSA136 Ų
SynonymsTetrasodium pyrophosphate, Sodium pyrophosphate, Tetrasodium diphosphate, Diphosphoric acid, tetrasodium salt, Sodium diphosphate, Victor TSPP, Natrium pyrophosphat, Sodium diphosphate, anhydrous, Pyrophosphoric acid tetrasodium salt, Sodium phosphate (Na4P2O7), Sodium diphosphate (Na4P2O7), Sodium pyrophosphate, tetrabasic

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
Harmful / irritant

Signal word: Danger

Hazard statements

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 tetra-Sodium pyrophosphate, anhydrous, 98%?

The CAS Registry Number of tetra-Sodium pyrophosphate, anhydrous, 98% is 7722-88-5. It is also known as Tetrasodium pyrophosphate, Sodium pyrophosphate, Tetrasodium diphosphate.

What is the molecular formula and molecular weight of tetra-Sodium pyrophosphate, anhydrous, 98%?

tetra-Sodium pyrophosphate, anhydrous, 98% has the molecular formula Na4O7P2 and a molecular weight of 265.9 g/mol.

Which grade and pack sizes of tetra-Sodium pyrophosphate, anhydrous, 98% can I order?

We supply tetra-Sodium pyrophosphate, anhydrous, 98% in Extra Pure (98%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with tetra-Sodium pyrophosphate, anhydrous, 98%?

Yes. Every lot of tetra-Sodium pyrophosphate, anhydrous, 98% 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 tetra-Sodium pyrophosphate, anhydrous, 98% be shipped internationally?

Yes. tetra-Sodium pyrophosphate, anhydrous, 98% 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.

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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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