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Bis(2,4,4-trimethylpentyl) phosphinic acid, commonly known as
Cyanex 272, is a high-selectivity organophosphinic acid solvent extraction agent used in hydrometallurgy, primarily for separating cobalt from nickel and extracting rare earth elements (REEs). It acts as a liquid-liquid chelating agent, often used at 0.1%–5% concentrations with diluents like kerosene, offering high efficiency for heavy rare earth elements and transition metals.Key Applications and Properties
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Bis(2,4,4-trimethylpentyl)phosphinic acid/phenol deep ...
ScienceDirect.com
https://www.sciencedirect.com › pii › S0167732225001424
ScienceDirect.com
https://www.sciencedirect.com › pii › S0167732225001424
by IV Zinov’eva2025Cited by 12 — Cyanex 272 is an industrial extractant in which the content of bis(2,4,4-trimethylpentyl)phosphinic acid is 75–80 %. In order to synthesize, ...Read more
Bis(2,4,4-trimethylpentyl)phosphinic acid | 83411-71-6
Biosynth
https://www.biosynth.com › Research Chemicals
Biosynth
https://www.biosynth.com › Research Chemicals
Bis(2,4,4-trimethylpentyl)phosphinic acid can also be used as an additive to create halogen-free flame retardant adhesives.Read more
$355.1710-day returns
CAS 83411-71-6 (bis-(2,4,4-Trimethylpentyl)phosphinic acid)
BOC Sciences
https://www.bocsci.com › ... › Intermediates
BOC Sciences
https://www.bocsci.com › ... › Intermediates
Solvent extraction: Bis-(2,4,4-trimethylpentyl)phosphinic acid is widely used for the separation and purification of rare earth elements. · For chelation ...Read more
$499.00Free delivery30-day returns
Bis(2,4,4-Trimethylpentyl)-Phosphinic Acid Cyanex 272 CAS ...
blitchem.com
https://www.blitchem.com › Fine Chemical
blitchem.com
https://www.blitchem.com › Fine Chemical
Bis(2,4,4-Trimethylpentyl)-Phosphinic Acid Cyanex 272 is a new type of acidic phosphorus extractant with high selectivity for separation of cobalt and nickel.Read more
EXTRACTION OF SODIUM IN BIS (2, 4,4
Taylor & Francis Online
https://www.tandfonline.com › ... › Volume 8, Issue 4-5
Taylor & Francis Online
https://www.tandfonline.com › ... › Volume 8, Issue 4-5
by X Fu1990Cited by 43 — A study has been made of the extraction of sodium into bis (2,4,4 -trimelhylpentyl) phosphinic acid. The following basic constants were measured at 25°C using ...Read more
Bulk Bis (2 4 4-trimethylpentyl) Phosphinic Acid 83411-71-6
Anhui Fitech Material Co.,Ltd
https://www.fitechem.com › Chemicals
Anhui Fitech Material Co.,Ltd
https://www.fitechem.com › Chemicals
ITEM, 99%, MF, C16H35O2P. Content, ≥99.0, MW, 290.42. Appearance, Colourless to light yellow viscous liquid with fruity odor, Density, 0.91—0.95g/ml.Read more
Method for measuring bis(2,4,4-trimethylpentyl) phosphinic acid ...
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
Bis(2,4,4-trimethylpentyl) phosphinic acid (IONQUEST 290) has been used as extractants in a zinc solvent extraction process for extracting only zinc and a ...
Removal of Zinc(II) and Manganese(II) from Crude Phosphoric ...
U.S. Environmental Protection Agency (.gov)
https://hero.epa.gov › reference
U.S. Environmental Protection Agency (.gov)
https://hero.epa.gov › reference
by NS AwwadCited by 11 — The commercial bis(2,4,4-trimethylpentyl)- phosphinic acid (Cyanex-272) is proposed as an extractant for the efficient removal of Zn(II) and Mn(II) from crude ...Read more
New Eutectic Solvent Based on bis(2,4,4-trimethylpentyl) ...
MDPI
https://www.mdpi.com › 2227-9717
MDPI
https://www.mdpi.com › 2227-9717
by TY Chikineva2025 — In this work, a new three-component eutectic solvent based on bis(2,4,4-trimethylpentyl)phosphinic acid (BTMPPA), tributyl phosphate (TBP) and phenol was ...Read more
Bis(2,4,4-trimethylpentyl) phosphinic acid ( ZD272/Cyanex ...
www.lyzhongdachem.com
https://www.lyzhongdachem.com › Product › Phosphate
www.lyzhongdachem.com
https://www.lyzhongdachem.com › Product › Phosphate
Structure: ZD272 Extraction rate with PH CAS NO 83411-71-6 Appearance Colorless to light yellow liquid Density g/cm³ (25℃） ≤0.93 Viscosity mPa.s ≤190 Flash.
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