Tetraethyl Thionopyrophosphate

Name: Tetraethyl Thionopyrophosphate
Brand: Vaqora Chemicals
SKU: VQ-050419

About Tetraethyl Thionopyrophosphate

Tetraethyl Thionopyrophosphate (CAS 645-78-3) is an organic building block offered by Vaqora Chemicals. The compound has the formula C8H20O6P2S, corresponding to a molecular weight of 306.26 g/mol. The IUPAC name is diethoxyphosphinothioyl diethyl phosphate. Alternative names: O,O,O,O-Tetraethyl monothiodiphosphate and Tetraethyl monothiopyrophosphate.

Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Tetraethyl Thionopyrophosphate in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tetraethyl Thionopyrophosphate
Catalogue No.	VQ-050419
CAS Number	645-78-3
IUPAC name	diethoxyphosphinothioyl diethyl phosphate
Molecular formula	C₈H₂₀O₆P₂S
Molecular weight	306.26 g/mol
Exact mass	306.0456
InChIKey	QPXWUAQRJLSJRT-UHFFFAOYSA-N
SMILES	CCOP(=O)(OCC)OP(=S)(OCC)OCC
PubChem CID	69529

Physical properties
Physical form	Other
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 7
TPSA	95.3 Å²
Synonyms	O,O,O,O-Tetraethyl monothiodiphosphate, Tetraethyl monothiopyrophosphate, Monothiono TEPP, Fosarbin, Phosarbin, Tetraethyl thioonopyrophosphate, Tetraethyl monothionopyrophosphate, o,o,o,o-tetraethyl thiodiphosphate, Monothiopyrophosphoric acid, tetraethyl ester, Ethyl thiopyrophosphate ((EtO)2OPOPS(OEt)2), Thiodiphosphoric acid ((HO)2P(O)OP(S)(OH)2), tetraethyl ester

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 Tetraethyl Thionopyrophosphate?

The CAS Registry Number of Tetraethyl Thionopyrophosphate is 645-78-3. It is also known as O,O,O,O-Tetraethyl monothiodiphosphate, Tetraethyl monothiopyrophosphate, Monothiono TEPP.

What is the molecular formula and molecular weight of Tetraethyl Thionopyrophosphate?

Tetraethyl Thionopyrophosphate has the molecular formula C8H20O6P2S and a molecular weight of 306.26 g/mol. Its IUPAC name is diethoxyphosphinothioyl diethyl phosphate.

Which grade and pack sizes of Tetraethyl Thionopyrophosphate can I order?

We supply Tetraethyl Thionopyrophosphate, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetraethyl Thionopyrophosphate?

Yes. Every lot of Tetraethyl Thionopyrophosphate 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 Tetraethyl Thionopyrophosphate be shipped internationally?

Yes. We export Tetraethyl Thionopyrophosphate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.