Specialty Additives Available to Source

Tri-n-octylphosphine oxide (TOPO)

TOPO
CAS 78-50-2 · MF C24H51OP · MW 386.6 g/mol

Synergist/extractant in some SX systems

SDS / TDS Download
CAS Number
78-50-2
Molecular Formula
C24H51OP
Molecular Weight
386.6 g/mol
Material Family
Specialty Additives
Functional Roles
Solvency
Industries Served
Mining Oil & Gas
GHS / SDS Safety Danger
Irritant Corrosive
  • H318 (29%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H315 (97.4%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H317 (69%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Chemical Identity
CAS Number78-50-2
IUPAC Name1-dioctylphosphoryloctane
InChI KeyZMBHCYHQLYEYDV-UHFFFAOYSA-N
PubChem CID 65577
Synonyms & Trade Names
Trioctylphosphine oxide Tri-n-octylphosphine oxide Phosphine oxide, trioctyl- Cyanex 921 Hostarex PX 324 Trioctyl phosphine oxide EXU8U2AM5A RefChem:899962 DTXCID2031110 1-dioctylphosphoryloctane 1-(dioctylphosphoryl)octane C24H51OP trioctylphosphino-1-one
Full Description

Synergist/extractant in some SX systems

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Packaging Options
25 kg Bags / Drums
Standard pallet quantities
1,000 L IBC Totes
For liquid products
ISO Tank / Flexitank
Bulk liquid — 20,000+ L
Related Products
D-Mannitol (Pearlitol SD200) sec-Hexadecylnaphthalene Phthalic anhydride Benzophenone-3

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