High reputation Vinnapas - Manufacturer Good Price Butylal (Dibutoxymethane) CAS: 2568-90-3 – INCHEE

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High reputation Vinnapas - Manufacturer Good Price Butylal (Dibutoxymethane) CAS: 2568-90-3 – INCHEE Detail:

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Applications of Butylal

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%).

Specification of Butylal

Compound	Specification
Appearance	Clear, colorless liquid
Purity (GC)	≥99%
Moisture(K-F%)	≤0.1%
n-butyl alcohol (GC)	≤0.75%
Formaldehyde(GC)	≤0.15%

Packing of Butylal

170KG/drum

Storage should be at cool, dry and ventilate.

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