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Tributyl phosphate

SIAL/90820 - puriss., ≥99.0% (GC)

Synonym: TBP; TBPA

CAS Number: 126-73-8
Empirical Formula (Hill Notation): C12H27O4P
Molecular Weight: 266.31
EC Number: 204-800-2
MDL Number: MFCD00009436
Linear Formula: (CH3(CH2)3O)3PO
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-90820-100ML 100 mL
$70.60
1/EA
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45-90820-500ML 500 mL
$205.00
1/EA
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assay ≥99.0% (GC)
autoignition temp. 770 °F
bp 180-183 °C/22 mmHg (lit.)
density 0.979 g/mL at 25 °C (lit.)
form liquid
grade puriss.
InChI 1S/C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3
InChI key STCOOQWBFONSKY-UHFFFAOYSA-N
mp −79 °C (lit.)
Quality Level 200 
refractive index n20/D 1.424 (lit.)
SMILES string CCCCOP(=O)(OCCCC)OCCCC
vapor density 9.2 (vs air)
vapor pressure 27 mmHg ( 178 °C)
  7.3 mmHg ( 150 °C)
Application: Tributyl phosphate is used as:
• An extractant for monocarboxylic acids(formic, acetic, and propionic) from an aqueous medium.
• An additive to enhance the performance of dye-sensitized solar cells (DSSCs).
• A solvent in combination with ionic liquid[1-butyl-3-methyl imidazolium tetrafluoroborate] for the extraction of phenol and chlorophenols.
General description: Tributyl phosphate (TBP) is an organophosphorus compound. TBP is a strong Lewis base and interacts with acids. It is used as a solvent for rare earth extraction and the nuclear fuel cycle. Additionally, TBP is used as a plasticizer for cellulose esters, lacquers, plastics, and vinyl resins
Purity ≥99.0% (GC)
bp 180-183 °C/22 mmHg (lit.)
mp −79 °C (lit.)
Density 0.979 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.424 (lit.)
UNSPSC 12352100

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