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Bis(2,4,4-trimethylpentyl)phosphinic acid (CAS 83411-71-6) is a
colorless to pale yellow, viscous liquid, often known as the active component in the industrial extractant Cyanex 272. Primarily used in hydrometallurgy, it is specialized for cobalt-nickel separation and extracting rare earth metals, with a density of ~0.92 g/cm³ and high lipophilicity.Key Properties
- Appearance: Liquid (colorless to pale yellow)
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Bis(2,4,4-trimethylpentyl)phosphinic Acid | 83411-71-6
Tokyo Chemical Industry Co., Ltd.
https://www.tcichemicals.com › ...
Tokyo Chemical Industry Co., Ltd.
https://www.tcichemicals.com › ...
Bis(2,4,4-trimethylpentyl)phosphinic Acid; Product No: B6762; CAS RN: 83411-71-6; Purity: >95.0%(T); Appearance: Colorless to Light yellow clear liquid, min.
Bis(2,4,4-trimethylpentyl)phosphinic acid | 83411-71-6
Sigma-Aldrich
https://www.sigmaaldrich.com › bidepharmatech
Sigma-Aldrich
https://www.sigmaaldrich.com › bidepharmatech
Bis(2,4,4-trimethylpentyl)phosphinic acid; CAS Number: 83411 ... Solid or semi-solid or lump or liquid. Safety Information. hstatements. H302 ...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 (diisooctylphosphinic acid) is a slightly water soluble compound which has a variety of applications.Read more
$355.17
Bis(2,4,4-trimethylpentyl)phosphinic acid, min. 85% ...
Strem Catalog
https://www.strem.com › product
Strem Catalog
https://www.strem.com › product
Bis(2,4,4-trimethylpentyl)phosphinic acid, min. 85%, CYTOP® 501 CAS Number 83411-71-6 | Molecular Formula C₁₆H₃₅O₂P | Chemical Formula C₁₆H₃₅O₂P | Chemical ...
$106.00 to $421.00In stockFree delivery
Bis(2,4,4-trimethylpentyl)phosphinic acid - PubChem
National Institutes of Health (NIH) | (.gov)
https://pubchem.ncbi.nlm.nih.gov › compound › Bis_2...
National Institutes of Health (NIH) | (.gov)
https://pubchem.ncbi.nlm.nih.gov › compound › Bis_2...
Phosphinic acid, P,P-bis(2,4,4-trimethylpentyl)-: Does not have an individual approval but may be used as a component in a product covered by a group standard.Read more
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
bis-(2,4,4-Trimethylpentyl)phosphinic acid is a compound utilized in the biomedical sphere for its potential in treating organophosphate poisoning.Read more
$499.00Free delivery30-day returns
BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID
ChemicalBook
https://www.chemicalbook.com › ... › CAS DataBase List
ChemicalBook
https://www.chemicalbook.com › ... › CAS DataBase List
Jan 13, 2026 — BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID Properties: Density 0.916 g/mL at 20 °C (lit.) Flash point 108 °C.Read more
Bis(2,4,4-trimethylpentyl)phosphinic acid Safety Data Sheets
Echemi
https://www.echemi.com › sds › bis244-trimethyl-penty...
Echemi
https://www.echemi.com › sds › bis244-trimethyl-penty...
Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable ...Read more
Safety Data Sheet: Bis(2,4,4-trimethylpentyl)phosphinic acid
Carl ROTH
https://www.carlroth.com › medias
Carl ROTH
https://www.carlroth.com › medias
PDF
May 21, 2025 — ICAO-TI. Environmentally hazardous substance, liquid,. n.o.s.. Technical name. Bis(2,4,4-trimethylpentyl)phosphinic acid. 14.3 Transport hazard ...Read more
Bulk Bis (2 4 4-trimethylpentyl) Phosphinic Acid 83411-71-6
Fitech Material
https://www.fitechem.com › Chemicals
Fitech Material
https://www.fitechem.com › Chemicals
Bis(2,4,4-trimethylpentyl)phosphonic acid, a colorless to pale yellow liquid. Acid phosphonic acid extractant, originally developed for the separation of nickel ...Read more