Tricyclohexylphosphine oxide

Name: Tricyclohexylphosphine oxide
Brand: Vaqora Chemicals
SKU: VQ-051096

About Tricyclohexylphosphine oxide

Tricyclohexylphosphine oxide is an organic building block carrying the CAS registry number 13689-19-5. Formula C18H33OP, molecular weight 296.4 g/mol. Its systematic (IUPAC) name is dicyclohexylphosphorylcyclohexane. Alternative names: (dicyclohexylphosphoroso)cyclohexane and Tricyclohexyl(oxo)-lambda~5~-phosphane.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Tricyclohexylphosphine oxide 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	Tricyclohexylphosphine oxide
Catalogue No.	VQ-051096
CAS Number	13689-19-5
IUPAC name	dicyclohexylphosphorylcyclohexane
Molecular formula	C₁₈H₃₃OP
Molecular weight	296.4 g/mol
Exact mass	296.2269
InChIKey	LEFPWWWXFFNJAA-UHFFFAOYSA-N
SMILES	C1CCC(CC1)P(=O)(C2CCCCC2)C3CCCCC3
PubChem CID	26187

Physical properties
Physical form	Other
LogP (XLogP3)	4.8
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + 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 Tricyclohexylphosphine oxide?

The CAS Registry Number of Tricyclohexylphosphine oxide is 13689-19-5. It is also known as (dicyclohexylphosphoroso)cyclohexane, Tricyclohexyl(oxo)-lambda~5~-phosphane, [Dicyclohexyl(phosphoroso)methyl]cyclohexane.

What is the molecular formula and molecular weight of Tricyclohexylphosphine oxide?

Tricyclohexylphosphine oxide has the molecular formula C18H33OP and a molecular weight of 296.4 g/mol. Its IUPAC name is dicyclohexylphosphorylcyclohexane.

Which grade and pack sizes of Tricyclohexylphosphine oxide can I order?

We supply Tricyclohexylphosphine oxide, 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 Tricyclohexylphosphine oxide?

Yes. Every lot of Tricyclohexylphosphine oxide 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 Tricyclohexylphosphine oxide be shipped internationally?

Yes. Tricyclohexylphosphine oxide 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.