Stannous pyrophosphate

Name: Stannous pyrophosphate
Brand: Vaqora Chemicals
SKU: VQ-015357

About Stannous pyrophosphate

Stannous pyrophosphate (CAS 15578-26-4) is a main-group metal compound offered by Vaqora Chemicals with a typical assay of 98%. Its molecular formula is O7P2Sn2 and its molecular weight is 411.36 g/mol. The IUPAC name is phosphonato phosphate. Bis(tin(2+)). Common synonyms include Tin(II) pyrophosphate and Diphosphoric acid, tin(2+) salt (1:2).

It is supplied as a solid. Key physical data: a density of 4.009. Its solubility is described as insoluble in water. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span paints, coatings and inks and materials research. Buyers come mainly from academic and industrial research.

Standard pack sizes are 10 g, 50 g, 250 g and 5 x 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Paints, coatings & inks
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Stannous pyrophosphate
Catalogue No.	VQ-015357
CAS Number	15578-26-4
IUPAC name	phosphonato phosphate;bis(tin(2+))
Molecular formula	O₇P₂Sn₂
Molecular weight	411.36 g/mol
Exact mass	411.7157
Purity / assay	98%
HSN code	28353900
InChIKey	GEZAUFNYMZVOFV-UHFFFAOYSA-J
SMILES	[O-]P(=O)([O-])OP(=O)([O-])[O-].[Sn+2].[Sn+2]
PubChem CID	66379

Physical properties
Physical form	Solid
Appearance	Solid
Density	4.009
Solubility	Insoluble in water
H-bond donors / acceptors	0 / 7
TPSA	136 Å²
Synonyms	Tin(II) pyrophosphate, Diphosphoric acid, tin(2+) salt (1:2), Ditin pyrophosphate, Tin(2+) pyrophosphate, Pyro stannous phosphate, Tin(2+) diphosphate (1:2), Ditin(2+) pyrophosphate (4-), Diphosphoric acid, ditin(2+) salt, Phosphoric acid, tin(2+) salt (1:2), Diphosphoric acid, tin salt (1:2), Stannous pyrophosphate (USAN), Pyrophosphoric acid, tin(2+) salt (1:2)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Stannous pyrophosphate?

The CAS Registry Number of Stannous pyrophosphate is 15578-26-4. It is also known as Tin(II) pyrophosphate, Diphosphoric acid, tin(2+) salt (1:2), Ditin pyrophosphate.

What is the molecular formula and molecular weight of Stannous pyrophosphate?

Stannous pyrophosphate has the molecular formula O7P2Sn2 and a molecular weight of 411.36 g/mol.

Which grade and pack sizes of Stannous pyrophosphate can I order?

We supply Stannous pyrophosphate in (98%) grade, in 10 g, 50 g, 250 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Stannous pyrophosphate?

Yes. Every lot of Stannous pyrophosphate 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 Stannous pyrophosphate be shipped internationally?

Yes. Stannous pyrophosphate 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.