Butyraldehyde

CAS 123-72-8CH3CH2CH2CHOChemical Synthesis

Butyraldehyde (CAS: 123-72-8, Formula: CH3CH2CH2CHO) is a crucial organic aldehyde with a molecular weight of 72.11 g/mol. It is a colourless liquid known for its pungent odour. Butyraldehyde serves as a vital intermediate in the synthesis of various organic compounds, including alcohols, acids, and amines. Its applications span chemical manufacturing, pharmaceuticals, and flavour and fragrance industries.

IUPAC: Butanal
Synonyms: Butanaln-Butyraldehyden-ButanalButylaldehydeButyl-aldehydeButanoic aldehydeIsovaleraldehyde (Note: This last synonym can be ambiguous and might refer to a different isomer in some contexts, but is sometimes associated with butyraldehyde.)

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Butyraldehyde (CH3CH2CH2CHO) — chemical structure, CAS 123-72-8; Chemistry, fine chemical supplied by Tech Serve Solutions

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01 /Applications

Chemical Synthesis Intermediate

Butyraldehyde is a key building block for producing other organic chemicals. It undergoes reactions such as oxidation to butyric acid or reduction to butanol, which are valuable in numerous industrial processes.

Solvent Applications

Its properties make it suitable as a solvent in specific chemical reactions and formulations. It can be employed in processes requiring a medium that can dissolve a range of organic materials.

Flavour and Fragrance Industry

Butyraldehyde is used in the creation of certain flavour and fragrance compounds. It contributes to specific aroma profiles found in food products and perfumes.

Precursor for Plasticisers

It is a precursor for the synthesis of plasticisers like dibutyl phthalate. These plasticisers are essential for enhancing the flexibility and durability of polymers, particularly PVC.

02 /Properties

Molecular weight	72.11
Linear formula	CH3CH2CH2CHO
Assay	≥99.0%
Boiling point	75 °C(lit.)
Density	0.8 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.380(lit.)
Vapour pressure	90 mmHg (20 °C)
Melting point	−96 °C(lit.)
Vapour density	2.5 (vs air)
Autoignition temp	390 °F

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H225Highly flammable liquid and vapour
H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P305IF IN EYES

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	-5 °C / 23 °F
Transport (UN / ADR)	UN 1129 3 / PGII
Water hazard class (WGK, DE)	1
Hazard codes (EU)	F
Risk statements (R)	11
Safety statements (S)	9-29-33

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

123-72-8

MDL number

MFCD00007023

PubChem substance

24866205

Beilstein registry

506061

05 /Additional specifications

Expl Lim	12.5 %

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Butyraldehyde used for?

Butyraldehyde (CAS: 123-72-8) is primarily used as an intermediate in organic synthesis for producing chemicals like butanol and butyric acid, as well as in the flavour and fragrance industries.

What are the CAS number and formula for Butyraldehyde?

The CAS number for Butyraldehyde is 123-72-8, and its chemical formula is CH3CH2CH2CHO.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Butyraldehyde with an assay of ≥99.0%. We do not represent this product as USP, BP, or EP grade.

How is Butyraldehyde handled and stored?

Butyraldehyde is highly flammable (Flash Point: -5 °C) and can cause serious eye irritation. Handle with appropriate personal protective equipment, including eyeshields and gloves, in a well-ventilated area, away from ignition sources.

How is Butyraldehyde packed, shipped, and exported?

Butyraldehyde is shipped as UN 1129, Hazard Class 3, Packing Group II, adhering to strict international regulations for hazardous material transport. TSS is a global supplier and exporter.

How can I request a sample or quote for Butyraldehyde?

To request a sample or a quote for Butyraldehyde, please contact our sales team via the website or by telephone, providing your specific requirements.