| Identification | Back Directory | [Name]
Dibutoxymethane | [CAS]
2568-90-3 | [Synonyms]
Butylal
Dibutyl formal
Dibutoxymethane
Di-n-butyl formal
5,7-Dioxaundecane
5,7-Dioxahendecane
DI-N-BUTOXYMETHANE
Methane, dibutoxy-
Dibutoxymethane>
Bis(butyloxy)methane
1-butoxymethoxy-butane
1-(Butoxymethoxy)butane
formaldehydedibutylacetal
Formaldehyde dibutyl acetal
FORMALDEHYDE DI-N-BUTYL ACETAL
1,1'-[methylenebis(oxy)]dibutane
Butane, 1,1-methylenebis(oxy)bis-
1,1’-[methylenebis(oxy)]bis-butan
1,1’-[methylenebis(oxy)]bis-Butane
FORMALDEHYDE DI-N-BUTYL ACETAL 98+%
(2-methylpropoxy)methoxy-2-methylpropane
Formaldehyde Dibutyl Acetal
5,7-Dioxahendecane
Formaldehyde dibutyl acetal puriss., >=98.5% (GC) | [EINECS(EC#)]
219-909-0 | [Molecular Formula]
C9H20O2 | [MDL Number]
MFCD00059270 | [MOL File]
2568-90-3.mol | [Molecular Weight]
160.25 |
| Chemical Properties | Back Directory | [Melting point ]
-58.1°C | [Boiling point ]
180°C | [density ]
0,84 g/cm3 | [vapor pressure ]
1-1.11hPa at 22.7-25℃ | [refractive index ]
n20/D1.406 | [Fp ]
60°C | [form ]
clear liquid | [color ]
Colorless to Almost colorless | [Water Solubility ]
222.5-250mg/L at 20℃ | [Cosmetics Ingredients Functions]
SURFACTANT - EMULSIFYING
CLEANSING
SOLVENT | [InChI]
1S/C9H20O2/c1-3-5-7-10-9-11-8-6-4-2/h3-9H2,1-2H3 | [InChIKey]
QLCJOAMJPCOIDI-UHFFFAOYSA-N | [SMILES]
CCCCOCOCCCC | [LogP]
2.77-4.1 at 20-21.5℃ | [EPA Substance Registry System]
Butane, 1,1'-[methylenebis(oxy)]bis- (2568-90-3) |
| Hazard Information | Back Directory | [Uses]
Formaldehyde dibutyl acetal is a halogen-free and less toxic solvent that can be used to solubilize commercial low-density polyethylene (LDPE) samples to analyze molecular weight distribution using gel permeation chromatography (GPC). It can also be used as a reactant to prepare butoxymethyltriphenylphosphonium iodide, which is used for carbon homologation and also as a useful key intermediate in organic synthesis. | [Synthesis Reference(s)]
The Journal of Organic Chemistry, 45, p. 3341, 1980 DOI: 10.1021/jo01304a039 | [General Description]
Formaldehyde dibutyl acetal is an acetal used in the manufacture of synthetic resins, antiseptics, deodorants, and fungicides. It is also used as a fuel additive to increase the octane number of gasoline or the n-cetane number of diesel fuels and reduce smoke and particulate emissions. |
| Questions And Answer(Q&A) | Back Directory | [Preparation]
A flask containing 15 gm (0.5 mole) of paraformaldehyde, 74 gm (1.0 mole) of η-butyl alcohol, and 2.0 gm of anhydrous ferric chloride is refluxed for 10 hr. The lower layer of 3-4 ml of material is discarded and then 50 ml of 10% aqueous sodium carbonate solution is added to remove the ferric chloride as ferric hydroxide. The product is shaken with a mixture of 40 ml of 20% hydrogen peroxide and 5 ml of 10% sodium carbonate solution at 45°C in order to remove any remaining aldehyde. The product is also washed with water, dried, and distilled from excess sodium metal to afford 62 gm (78%).
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