Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

Safety Information

346187

Sigma-Aldrich

Trioctylphosphine oxide

technical grade, 90%

Synonym(s):

(Oct)3PO, TOPO®

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
[CH3(CH2)7]3PO
CAS Number:
78-50-2
Molecular Weight:
386.63
Beilstein:
1796648
EC Number:
201-121-3
MDL number:
MFCD00002083
UNSPSC Code:
12352119
PubChem Substance ID:
24861379
NACRES:
NA.22

grade

technical grade

Quality Level

100

Assay

90%

form

solid

bp

201-202 °C/2 mmHg (lit.)

mp

50-52 °C (lit.)

functional group

phosphine oxide

SMILES string

CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC

InChI

1S/C24H51OP/c1-4-7-10-13-16-19-22-26(25,23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3

InChI key

ZMBHCYHQLYEYDV-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Used as an extraction or stabilizing agent; also useful as a capping ligand for the production of quantum dots such as CdSe.

Legal Information

TOPO is a registered trademark of Life Technologies

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H315,H318,H412

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

446.0 °F - closed cup

Flash Point(C)

230 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

346187-500G:
346187-100G:
346187-VAR:
346187-BULK:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCL9660
MKCG4514
MKBV6061V
MKBP7896V
MKBP3153V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Wesley E Smith et al.
ACS nano, 6(11), 9475-9484 (2012-10-09)
Semiconductor quantum dots (Qdots) are a promising new technology with benefits in the areas of medical diagnostics and therapeutics. Qdots generally consist of a semiconductor core, capping shell, and surface coating. The semiconductor core of Qdots is often composed of
Shuang-Yuan Zhang et al.
Advanced materials (Deerfield Beach, Fla.), 24(32), 4369-4375 (2012-07-19)
The preparation of vertically or horizontally aligned self-assemblies of CoP nanowires is demonstrated for the first time by aging them in the reaction solution for a sufficient time at 20 or 0 °C. This strategy opens up a way for
Raju Banda et al.
Journal of hazardous materials, 213-214, 1-6 (2012-02-18)
The separation and recovery of Mo and Co from the synthetic chloride leach liquors of petroleum refining catalyst has been investigated by employing TOPO and Alamine 308 as extractants. The synthetic leach liquor contained Mo 394 mg/L, Al 1782 mg/L
Sanjeev Kumar Mahto et al.
Toxicology in vitro : an international journal published in association with BIBRA, 24(4), 1070-1077 (2010-04-07)
With the widespread use of quantum dots (QDs), the likelihood of exposure to QDs has been assumed to have increased substantially. Recently, QDs have been employed in numerous biological and medical applications. However, there is a lack of toxicological data
Yong Tao et al.
Journal of chromatography. A, 1216(35), 6259-6266 (2009-07-28)
By using ionic liquid as membrane liquid and tri-n-octylphosphine oxide (TOPO) as additive, hollow fiber supported liquid phase microextraction (HF-LPME) was developed for the determination of five sulfonamides in environmental water samples by high-performance liquid chromatography with ultraviolet detection The
View All Related Papers

Global Trade Item Number

SKUGTIN
346187-100G4061826761021
346187-500G4061826761038

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service