Trioctylphosphine oxide, technical grade, 90%

Name: Trioctylphosphine oxide, technical grade, 90%
Brand: Vaqora Chemicals
SKU: VQ-011625

About Trioctylphosphine oxide, technical grade, 90%

Trioctylphosphine oxide is an organic building block in Technical grade carrying the CAS registry number 78-50-2 with a typical assay of 90%. With the molecular formula C24H51OP, it has a molar mass of 386.6 g/mol. Its systematic (IUPAC) name is 1-dioctylphosphoryloctane. Common synonyms include (Oct)3PO and Tri-n-octylphosphine oxide.

It is supplied as a white solid. Literature values give a melting point of 50-52 °C and a boiling point of 201-202 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for solvent and extraction work and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 100 g and 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Solvent & extraction work
Organic synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Trioctylphosphine oxide, technical grade, 90%
Catalogue No.	VQ-011625
CAS Number	78-50-2
IUPAC name	1-dioctylphosphoryloctane
Molecular formula	C₂₄H₅₁OP
Molecular weight	386.6 g/mol
Exact mass	386.3678
Grade	Technical
Purity / assay	90%
HSN code	29319000
InChIKey	ZMBHCYHQLYEYDV-UHFFFAOYSA-N
SMILES	CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC
PubChem CID	65577

Physical properties
Physical form	Solid
Appearance	White solid
Melting point	50-52 °C
Boiling point	201-202 °C
LogP (XLogP3)	9.6
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	(Oct)3PO, Tri-n-octylphosphine oxide, Phosphine oxide, trioctyl-, Cyanex 921, Hostarex PX 324, Trioctyl phosphine oxide, 1-(dioctylphosphoryl)octane, C24H51OP, trioctylphosphino-1-one, tri-n-octylphosphineoxide, Trioctyl(oxo)-lambda~5~-phosphane, Trioctylphosphine oxide, Selectophore(TM)

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage

Precautionary statements: P261, P264, P264 + P265, P272, P280, P302 + P352, P305 + P354 + P338, P317, P321, P332 + P317, P333 + P317, P362 + P364, 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

Other grades of CAS 78-50-2

Extra Pure

Trioctylphosphine oxide, extra pure >99%

CAS: 78-50-2
Formula: C₂₄H₅₁OP
MW: 386.6 g/mol

VQ-045945

AR

Trioctylphosphine oxide, GR 99%+

CAS: 78-50-2
Formula: C₂₄H₅₁OP
MW: 386.6 g/mol

VQ-018668

Frequently asked questions

What is the CAS number of Trioctylphosphine oxide, technical grade, 90%?

The CAS Registry Number of Trioctylphosphine oxide, technical grade, 90% is 78-50-2. It is also known as (Oct)3PO, Tri-n-octylphosphine oxide, Phosphine oxide, trioctyl-.

What is the molecular formula and molecular weight of Trioctylphosphine oxide, technical grade, 90%?

Trioctylphosphine oxide, technical grade, 90% has the molecular formula C24H51OP and a molecular weight of 386.6 g/mol. Its IUPAC name is 1-dioctylphosphoryloctane.

Which grade and pack sizes of Trioctylphosphine oxide, technical grade, 90% can I order?

We supply Trioctylphosphine oxide, technical grade, 90% in Technical (90%) grade, in 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Trioctylphosphine oxide, technical grade, 90%?

Yes. Every lot of Trioctylphosphine oxide, technical grade, 90% 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 Trioctylphosphine oxide, technical grade, 90% be shipped internationally?

Yes. Trioctylphosphine oxide, technical grade, 90% 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.