Dibutoxymethane

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Dibutoxymethane manufacturers

Dibutoxymethane Basic information
Product Name:Dibutoxymethane
Synonyms:1,1'-[methylenebis(oxy)]dibutane;FORMALDEHYDE DI-N-BUTYL ACETAL 98+%;Butane, 1,1-methylenebis(oxy)bis-;5,7-Dioxahendecane;5,7-Dioxaundecane;Bis(butyloxy)methane;Formaldehyde Dibutyl Acetal 5,7-Dioxahendecane;Formaldehyde dibutyl acetal puriss., >=98.5% (GC)
CAS:2568-90-3
MF:C9H20O2
MW:160.25
EINECS:219-909-0
Product Categories:
Mol File:2568-90-3.mol
Dibutoxymethane Structure
Dibutoxymethane Chemical Properties
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 FunctionsSURFACTANT - EMULSIFYING
CLEANSING
SOLVENT
InChI1S/C9H20O2/c1-3-5-7-10-9-11-8-6-4-2/h3-9H2,1-2H3
InChIKeyQLCJOAMJPCOIDI-UHFFFAOYSA-N
SMILESCCCCOCOCCCC
LogP2.77-4.1 at 20-21.5℃
EPA Substance Registry SystemButane, 1,1'-[methylenebis(oxy)]bis- (2568-90-3)
Safety Information
Risk Statements 36/37/38
Safety Statements 26-36/37/39
RIDADR 3271
WGK Germany 1
TSCA TSCA listed
HS Code 2911.00.5000
HazardClass 3
PackingGroup III
Storage Class10 - Combustible liquids
MSDS Information
Dibutoxymethane Usage And Synthesis
UsesFormaldehyde 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.
PreparationA 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%).
preparation of Dibutoxymethane
Synthesis Reference(s)The Journal of Organic Chemistry, 45, p. 3341, 1980 DOI: 10.1021/jo01304a039
General DescriptionFormaldehyde 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.
Dibutoxymethane Preparation Products And Raw materials
Preparation ProductsBis(methylthio)methane
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