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Trioctylphosphine oxide

CAS 78-50-2 Made to order

Trioctylphosphine oxide is a phosphine oxide used as a ligand and solvent in organometallic chemistry and semiconductor synthesis. It is commonly employed in the preparation of quantum dots and other nanomaterials. Available in high purity with a CAS number of 78-50-2. Molekula supplies trioctylphosphine oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Trioctylphosphine oxide is a phosphine oxide used as a ligand and solvent in organometallic chemistry and semiconductor synthesis. It is commonly employed in the preparation of quantum dots and other nanomaterials. Available in high purity with a CAS number of 78-50-2. Molekula supplies trioctylphosphine oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White to cream crystalline powder or fused solid
Density 0.88
Melting Point 52-57°C
Boiling Point 212-213°C/0.3mm
Flash Point 252°C
Physical Appearance Off-white crystalline powder
Storage Temperature +20 ° C
Molecular Weight 386
Assay 98.0% min.
Assay(GC) >97.5%

Storage & handling

Property Value
Shelf Life 24 months

Identification

Property Value
CAS Number 78-50-2
REACH Code Y110
Tariff Code 29319090

Safety & GHS

None
  • GHS pictogram — Compressed Gas Compressed Gas GHS04

Hazard statements

  • H315 Causes skin irritation
  • H318 Causes serious eye damage

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is trioctylphosphine oxide used for?

It is commonly used as a ligand in organometallic chemistry and as a solvent extraction agent for rare earth elements.

What is the chemical formula and molecular weight of trioctylphosphine oxide?

The chemical formula is C24H51PO and the molecular weight is 378.64 g/mol.

How should trioctylphosphine oxide be stored?

Store in a cool, dry place, protected from light and moisture; keep container tightly closed.

What grade is available for trioctylphosphine oxide?

Available in technical grade; custom purity levels may be available upon request.

Can Molekula supply trioctylphosphine oxide in bulk?

Yes, bulk quantities are available; please contact our sales team for pricing and availability.

What documentation comes with an order of trioctylphosphine oxide?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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