ChemicalBook > CAS DataBase List > Dibutoxymethane
Dibutoxymethane
- Product Name
- Dibutoxymethane
- CAS No.
- 2568-90-3
- Chemical Name
- Dibutoxymethane
- Synonyms
- Butylal;Dibutyl formal;Dibutoxymethane;5,7-Dioxaundecane;Di-n-butyl formal;5,7-Dioxahendecane;DI-N-BUTOXYMETHANE;Methane, dibutoxy-;Dibutoxymethane>Bis(butyloxy)methane
- CBNumber
- CB3346224
- Molecular Formula
- C9H20O2
- Formula Weight
- 160.25
- MOL File
- 2568-90-3.mol
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Dibutoxymethane Property
- 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
- Flash point:
- 60°C
- form
- clear liquid
- color
- Colorless to Almost colorless
- Water Solubility
- 222.5-250mg/L at 20℃
- LogP
- 2.77-4.1 at 20-21.5℃
- EPA Substance Registry System
- Butane, 1,1'-[methylenebis(oxy)]bis- (2568-90-3)
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Safety
- Risk Statements
- 36/37/38
- Safety Statements
- 26-36/37/39
- RIDADR
- 3271
- WGK Germany
- 1
- HS Code
- 2911.00.5000
- HazardClass
- 3
- PackingGroup
- III
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H226Flammable liquid and vapour
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233Keep container tightly closed.
P240Ground/bond container and receiving equipment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P370+P378In case of fire: Use … for extinction.
P403+P235Store in a well-ventilated place. Keep cool.
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 689386
- Product name
- Formaldehyde dibutyl acetal
- Purity
- puriss., ≥98.5% (GC)
- Packaging
- 250ml
- Price
- $73.6
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 689386
- Product name
- Formaldehyde dibutyl acetal
- Purity
- puriss., ≥98.5% (GC)
- Packaging
- 1l
- Price
- $221
- Updated
- 2024/03/01
TCI Chemical
- Product number
- D1711
- Product name
- Dibutoxymethane
- Purity
- >98.0%(GC)
- Packaging
- 25g
- Price
- $156
- Updated
- 2024/03/01
TRC
- Product number
- M303265
- Product name
- 1,1''-[Methylenebis(oxy)]bis-butane
- Packaging
- 50ml
- Price
- $45
- Updated
- 2021/12/16
TRC
- Product number
- M303265
- Product name
- 1,1''-[Methylenebis(oxy)]bis-butane
- Packaging
- 100ml
- Price
- $55
- Updated
- 2021/12/16
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Dibutoxymethane Chemical Properties,Usage,Production
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.
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%).
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.
Dibutoxymethane Preparation Products And Raw materials
Raw materials
Preparation Products
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