68572
Dibutyl phosphate
≥97.0% (T)
Synonym(s):
Phosphoric acid dibutyl ester
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About This Item
Linear Formula:
(CH3CH2CH2CH2O)2P(O)OH
CAS Number:
Molecular Weight:
210.21
Beilstein:
607224
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
≥97.0% (T)
form
liquid
density
1.06 g/mL at 20 °C (lit.)
SMILES string
CCCCOP(O)(=O)OCCCC
InChI
1S/C8H19O4P/c1-3-5-7-11-13(9,10)12-8-6-4-2/h3-8H2,1-2H3,(H,9,10)
InChI key
JYFHYPJRHGVZDY-UHFFFAOYSA-N
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General description
Dibutyl phosphate, also known as Phosphoric acid dibutyl ester, is an organophosphate compound with a long alkyl chain that is commonly used as an organocatalyst for polymer synthesis via ring-opening polymerization of cyclic esters and to catalyzed transesterification reactions.
Application
Dibutyl phosphate can be used as a reactant to synthesize:
- Glycosyl phosphates by using 1,2-orthoesters.
- 2-Aminophosphatesvia catalyst-free regioselective and enantiospecific SN2-type ring opening reaction with aziridines.
Features and Benefits
- Inherently biodegradable
- Stable in neutral, acidic, or alkaline solutions
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Carc. 2 - Eye Dam. 1 - Skin Corr. 1B
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
352.4 °F - closed cup
Flash Point(C)
178 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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The fluorescence of Tb(3+) is sensitized by complexation with dibutylphosphate (DBP) and tri-n-butylphosphate (TBP). The excitation maximum for the Tb(3+)-DBP complex occurs at 218.5 nm, while that for the Tb(3+)-TBP complex is observed at 228.0 nm. Both complexes yield Tb(3+)
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