90820
Tributyl phosphate
puriss., ≥99.0% (GC)
Synonym(s):
TBP, TBPA
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About This Item
Linear Formula:
(CH3(CH2)3O)3PO
CAS Number:
Molecular Weight:
266.31
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-800-2
Beilstein/REAXYS Number:
1710584
MDL number:
Assay:
≥99.0% (GC)
Form:
liquid
vapor density
9.2 (vs air)
Quality Segment
vapor pressure
27 mmHg ( 178 °C), 7.3 mmHg ( 150 °C)
grade
puriss.
assay
≥99.0% (GC)
form
liquid
autoignition temp.
770 °F
bp
180-183 °C/22 mmHg (lit.)
mp
−79 °C (lit.)
density
0.979 g/mL at 25 °C (lit.)
functional group
phosphate
SMILES string
CCCCOP(=O)(OCCCC)OCCCC
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
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
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.
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Carc. 2 - Skin Irrit. 2
Storage Class
10 - Combustible liquids
wgk
WGK 2
flash_point_f
293.0 °F - closed cup
flash_point_c
145 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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