271454
Dibutyl ether
anhydrous, 99.3%
Synonym(s):
Butyl ether
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About This Item
Linear Formula:
[CH3(CH2)3]2O
CAS Number:
Molecular Weight:
130.23
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
205-575-3
Beilstein/REAXYS Number:
1732752
MDL number:
Assay:
99.3%
Grade:
anhydrous
Bp:
142-143 °C (lit.)
Vapor pressure:
4.8 mmHg ( 20 °C)
grade
anhydrous
Quality Segment
vapor density
4.48 (vs air)
vapor pressure
4.8 mmHg ( 20 °C)
assay
99.3%
form
liquid
autoignition temp.
365 °F
expl. lim.
8.5 %
impurities
<0.005% water
evapn. residue
<0.0005%
refractive index
n20/D 1.399 (lit.)
pH
5.2
bp
142-143 °C (lit.)
mp
−98 °C (lit.)
solubility
H2O: 0.113 g/L at 20 °C
density
0.764 g/mL at 25 °C (lit.)
SMILES string
CCCCOCCCC
InChI
1S/C8H18O/c1-3-5-7-9-8-6-4-2/h3-8H2,1-2H3
InChI key
DURPTKYDGMDSBL-UHFFFAOYSA-N
General description
Dibutyl ether is being considered as an alternative fuel for diesel engines due to its non-miscibility in water, high cetane number and energy content.
Dibutyl ether is commonly used as solvent for various reactions. It forms azeotropic compositions with various organic solvents and the vapour/liquid equilibria of its binary mixtures have been investigated by head-space gas chromatography.
Application
Dibutyl ether may be used as a solvent for the synthesis of tricarbonyl[(1,2,3,4-η)-1- and 2-methoxy-1,3-cyclohexadiene]iron by the reaction of 1-methoxy-1,4-cyclohexadiene with iron pentacarbonyl.
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signalword
Warning
hcodes
Hazard Classifications
Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
82.4 °F - closed cup
flash_point_c
28 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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