Triphenyl phosphite, 97%

About Triphenyl phosphite, 97%

Triphenyl phosphite is a catalyst / ligand (Synthesis grade) carrying the CAS registry number 101-02-0, specified at 97% purity. With the molecular formula C18H15O3P, it has a molar mass of 310.3 g/mol. Alternative names: (PhO)3P and Triphenoxyphosphine.

The product is provided as a liquid. Reported physical data include a melting point of 22-24 °C and a boiling point of 360 °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 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span cross-coupling reactions, homogeneous catalysis, asymmetric synthesis and coordination chemistry. Typical end-use sectors are academic and industrial research, pharmaceutical manufacturing and oil, gas and petrochemicals.

Available in 250 mL, 500 mL, 5 L and 50 kg packs, Triphenyl phosphite is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Cross-coupling reactions
Homogeneous catalysis
Asymmetric synthesis
Coordination chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	Triphenyl phosphite, 97%
Catalogue No.	VQ-018670
CAS Number	101-02-0
IUPAC name	triphenyl phosphite
Molecular formula	C₁₈H₁₅O₃P
Molecular weight	310.3 g/mol
Exact mass	310.0759
Grade	Synthesis
Purity / assay	97%
HSN code	29319090
InChIKey	HVLLSGMXQDNUAL-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)OP(OC2=CC=CC=C2)OC3=CC=CC=C3
PubChem CID	7540

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	22-24 °C
Boiling point	360 °C
Density	1.184 g/mL at 25 °C
LogP (XLogP3)	5.5
H-bond donors / acceptors	0 / 3
TPSA	27.7 Å²
UN number	UN 3077
Synonyms	(PhO)3P, Triphenoxyphosphine, Phosphorous acid, triphenyl ester, Phenyl phosphite, Advance TPP, Tris(phenoxy)phosphine, Sumilizer TPP-R, Trifenoxyfosfin, Stabilizer P 36, Phosclere T 36, Mellite 310, P 36 (stabilizer)

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P264, P264 + P265, P273, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364, P391, 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 Triphenyl phosphite, 97%?

The CAS Registry Number of Triphenyl phosphite, 97% is 101-02-0. It is also known as (PhO)3P, Triphenoxyphosphine, Phosphorous acid, triphenyl ester.

What is the molecular formula and molecular weight of Triphenyl phosphite, 97%?

Triphenyl phosphite, 97% has the molecular formula C18H15O3P and a molecular weight of 310.3 g/mol. Its IUPAC name is triphenyl phosphite.

Which grade and pack sizes of Triphenyl phosphite, 97% can I order?

We supply Triphenyl phosphite, 97% in Synthesis (97%) grade, in 250 mL, 500 mL, 5 L, 50 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Triphenyl phosphite, 97%?

Yes. Every lot of Triphenyl phosphite, 97% 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 Triphenyl phosphite, 97% be shipped internationally?

Yes. Triphenyl phosphite, 97% is classified as hazardous (UN 3077), 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.