Butyraldehyde 99%

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Price: £20.95

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Stock Availability

On Shelf - Approx. UK delivery date: Wednesday the 10th September 2025*

In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland.

We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.

AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Applications

Organic chemistry
Paints
Varnishes
Resins
Plasticisers
Casting moulds

General

What is Butyraldehyde? It is an organic compound with the formula CH3(CH2)2CHO. This compound is the aldehyde derivative of butane. It is a colorless flammable liquid with an unpleasant smell. It is miscible with most organic solvents.

Consistent Quality: We provide only high-quality Butyraldehyde 99% ensuring reliable and consistent performance for all applications.

Sourced and bottled in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Glass Winchester Bottle: Available in 100ml and 1L pack sizes. Our Glass Winchester bottles can store chemicals that may be sensitive to light due to filtering potentially harmful UV rays. Bottles are durable, versatile and perfect for storing products in the chemical, pharmaceutical and cosmetic industries.

Frequent Uses

Organic synthesis
Butyraldehyde undergoes reactions typical of alkyl aldehydes, and these define many of the uses of this compound. Important reactions include hydrogenation to the alcohol, oxidation to the acid, and base-catalyzed condensation.

Paints and varnishes
Butyraldehyde is a component in the two-step synthesis of trimethylolpropane, which is used for the production of alkyd resins. Alkyds are then in turn used for paints, varnishes and in moulds for casting. They are the dominant resin or binder in most commercial oil-based coatings.

Plasticisers
In the presence of a base, two equivalents of butyraldehyde undergo aldol condensation to give 2-ethylhexenal. This unsaturated aldehyde is then partially hydrogenated to form 2-ethylhexanal, a precursor to plasticisers such as bis(2-ethylhexyl) phthalate.

Specification

Assay: >98.5%
Molecular Formula: C4H8O
Molecular Weight: 72.11
Boiling Point: 75 °C
Melting Point: -96 °C
Density: 0.8 g/mL
R.I.: 1.3770 to 1.3830

Hazards

Hazard Phrases: Highly flammable liquid and vapour. Causes serious eye irritation.

Prec Phrases: Keep away from heat/sparks/open flames/hot surfaces. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ Use only non-sparking tools. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Flammable CLP Image Harmful CLP Image

Cas No: 123-72-8

Einecs No: 204-646-6

UN1129

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