Dibenzyl Phosphite

About Dibenzyl Phosphite

Dibenzyl Phosphite is an organic building block carrying the CAS registry number 17176-77-1. Formula C14H14O3P+, molecular weight 261.23 g/mol. The IUPAC name is oxo-bis(phenylmethoxy)phosphanium. Common synonyms include Dibenzyl phosphonate and Phosphonic acid, bis(phenylmethyl) ester.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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

Available in 100 mg, 250 mg, 1 g and 5 g packs, Dibenzyl Phosphite is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Dibenzyl Phosphite
Catalogue No.	VQ-051011
CAS Number	17176-77-1
IUPAC name	oxo-bis(phenylmethoxy)phosphanium
Molecular formula	C₁₄H₁₄O₃P⁺
Molecular weight	261.23 g/mol
Exact mass	261.0681
InChIKey	RQKYHDHLEMEVDR-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)CO[P+](=O)OCC2=CC=CC=C2
PubChem CID	6334615

Physical properties
Physical form	Other
LogP (XLogP3)	3
H-bond donors / acceptors	0 / 3
TPSA	35.5 Å²
Synonyms	Dibenzyl phosphonate, Phosphonic acid, bis(phenylmethyl) ester, Phosphonic Acid Bis(phenylmethyl) Ester, Bis(benzyloxy)(oxo)phosphanium, dibenzylphosphonate, dibenzyloxy(oxo)phosphonium, benzyloxyphosphonoyloxymethylbenzene, Dibenzyl PhosphonatePhosphonic Acid Dibenzyl EsterPhosphorous Acid Dibenzyl Ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P272, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + 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 Dibenzyl Phosphite?

The CAS Registry Number of Dibenzyl Phosphite is 17176-77-1. It is also known as Dibenzyl phosphonate, Phosphonic acid, bis(phenylmethyl) ester, Phosphonic Acid Bis(phenylmethyl) Ester.

What is the molecular formula and molecular weight of Dibenzyl Phosphite?

Dibenzyl Phosphite has the molecular formula C14H14O3P+ and a molecular weight of 261.23 g/mol. Its IUPAC name is oxo-bis(phenylmethoxy)phosphanium.

Which grade and pack sizes of Dibenzyl Phosphite can I order?

We supply Dibenzyl Phosphite, 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 Dibenzyl Phosphite?

Yes. Every lot of Dibenzyl Phosphite 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 Dibenzyl Phosphite be shipped internationally?

Yes. Dibenzyl Phosphite 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.