Triethyl phosphite, 98%

Name: Triethyl phosphite, 98%
Brand: Vaqora Chemicals
SKU: VQ-018667

About Triethyl phosphite, 98%

Triethyl phosphite (CAS 122-52-1) is a catalyst / ligand offered by Vaqora Chemicals in Puriss grade at a purity of 98%. Formula C6H15O3P, molecular weight 166.16 g/mol. Common synonyms include P(EtO)3 and P(OEt)3.

In its supplied form it is a clear colourless liquid. Literature values give a density of 0.969 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. It carries the GHS signal word “Warning” with 8 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for cross-coupling reactions, homogeneous catalysis, asymmetric synthesis and reduction reactions. Buyers come mainly from academic and industrial research, pharmaceutical manufacturing and oil, gas and petrochemicals.

We offer Triethyl phosphite in 250 mL, 500 mL and 200 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Cross-coupling reactions
Homogeneous catalysis
Asymmetric synthesis
Reduction reactions

Industries

Specifications & identifiers

Chemical identifiers
Product name	Triethyl phosphite, 98%
Catalogue No.	VQ-018667
CAS Number	122-52-1
IUPAC name	triethyl phosphite
Molecular formula	C₆H₁₅O₃P
Molecular weight	166.16 g/mol
Exact mass	166.0759
Grade	Puriss
Purity / assay	98%
HSN code	29209099
InChIKey	BDZBKCUKTQZUTL-UHFFFAOYSA-N
SMILES	CCOP(OCC)OCC
PubChem CID	31215

Physical properties
Physical form	Liquid
Appearance	Clear colourless liquid
Density	0.969 g/mL at 25 °C
LogP (XLogP3)	1.2
H-bond donors / acceptors	0 / 3
TPSA	27.7 Å²
UN number	UN 2323
Synonyms	P(EtO)3, P(OEt)3, Triethoxyphosphine, Phosphorous acid, triethyl ester, Ethyl phosphite, (EtO)3P, Fosforyn trojetylowy, triethylphosphite, Phosphorous Acid Triethyl Ester, (C2H5O)3P, Phosphorus ether, triethyl-phosphite, tri ethyl phosphite

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317

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 Triethyl phosphite, 98%?

The CAS Registry Number of Triethyl phosphite, 98% is 122-52-1. It is also known as P(EtO)3, P(OEt)3, Triethoxyphosphine.

What is the molecular formula and molecular weight of Triethyl phosphite, 98%?

Triethyl phosphite, 98% has the molecular formula C6H15O3P and a molecular weight of 166.16 g/mol. Its IUPAC name is triethyl phosphite.

Which grade and pack sizes of Triethyl phosphite, 98% can I order?

We supply Triethyl phosphite, 98% in Puriss (98%) grade, in 250 mL, 500 mL, 200 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Triethyl phosphite, 98%?

Yes. Every lot of Triethyl phosphite, 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 Triethyl phosphite, 98% be shipped internationally?

Yes. Triethyl phosphite, 98% is classified as hazardous (UN 2323), 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.