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Trioctylphosphine oxide

Trioctylphosphine oxide structure

CAS No:
78-50-2
Formula:
C24H51OP
Chemical Name:
Trioctylphosphine oxide
Synonyms:
Phosphine oxide,trioctyl-;Trioctylphosphine oxide;TOPO;Tri-n-octylphosphine oxide;Hostarex PX 324;Cyanex 921;1-Dioctylphosphoryloctane;1-(Dioctylphosphoryl)octane;129406-23-1
Categories:
Organic Chemistry > Phosphines

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Description

white crystalline powder

Trioctylphosphine oxide Basic Attributes

Molecular Weight：

386.63

Exact Mass：

386.63

BRN：

1796648

EC Number：

201-121-3

NSC Number：

41937

DSSTox ID：

DTXSID1052537

HScode：

32019090

Characteristics

PSA：

17.1

XLogP3：

9.40

Appearance：

White to slightly yellow Crystalline Powder, Crystals or Flakes

Density：

0.9±0.1 g/cm3

Melting Point：

48-54 °C

Boiling Point：

180-205 °C @ Press: 1 Torr

Flash Point：

>230 °F

Refractive Index：

1.448

Water Solubility：

H2O: Insoluble

Storage Conditions：

Store below +30°C.

Toxicity：

LD50 orally in Rabbit: > 10000 mg/kg LD50 dermal Rat 2830 mg/kg

Safety Information

Packing level：

Transport codes：

3261

wgk germany：

hazard class code：

38-41-50/53-34

safety instructions：

26-36/39-39-61-60-45-36/37/39

RTECS Number：

SZ1662500

Marks：

Xi,Hazard

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P280-P305 + P351 + P338

Hazard Statements：

H315-H318

GHS Classification：

|Danger|H315 (89.8%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P280, P302+P352, P305+P351+P338, P310, P321, P332+P313, and P362|Aggregated GHS information provided by 49 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

Cyanex 921

Trioctylphosphine oxide Use and Manufacturing

Uses

It is used to extract organic compounds that combine metals and hydrogen bonds.

Manufacturing Info：

Phosphine oxide, trioctyl-: ACTIVE

Computed Properties

Molecular Weight:386.6
XLogP3:9.6
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:21
Exact Mass:386.36775324
Monoisotopic Mass:386.36775324
Topological Polar Surface Area:17.1
Heavy Atom Count:26
Complexity:266
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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