Hexanal

CAS 66-25-1CH3(CH2)4CHOChemical Synthesis

Hexanal (CAS: 66-25-1), with the molecular formula CH3(CH2)4CHO and a molar mass of 100.16 g/mol, is a saturated aldehyde. It is a colourless liquid with a characteristic pungent odour. Hexanal is valuable in organic synthesis for Wittig and aldol reactions. It has also been employed in analytical chemistry for quantifying carbonyl compounds contributing to the flavour profiles of certain food products.

IUPAC: Aldehyde C6,Caproaldehyde,Hexyl aldehyde
Synonyms: HexanalCaproaldehydeHexyl aldehydeAldehyde C6

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Hexanal (CH3(CH2)4CHO) — chemical structure, CAS 66-25-1; Chemistry, fine chemical supplied by Tech Serve Solutions

AldehydesBuilding BlocksC1 to C6Carbonyl CompoundsCell BiologyChemical SynthesisNutrition ResearchOcimum basilicum (Basil)Organic Building Blocks

01 /Applications

Organic Synthesis Building Block

Hexanal serves as a versatile building block in organic synthesis, participating in key carbon-carbon bond-forming reactions such as Wittig and aldol condensations. Its aldehyde functionality allows for a range of chemical transformations.

Flavor Chemistry Analysis

This aldehyde has been utilised in the quantitative analysis of carbonyl compounds that are significant contributors to the complex flavour profiles of food items, including olive oil.

Reagent in Chemical Research

Hexanal is a useful reagent for researchers in various fields, including cell biology and nutrition research, where its chemical properties are leveraged in experimental designs.

02 /Properties

Molecular weight	100.16
Linear formula	CH3(CH2)4CHO
Assay	98%
Boiling point	130-131 °C(lit.)
Density	0.815 g/mL at 25 °C(lit.)0.834 g/mL at 25 °C
Refractive index	n20/D 1.4035(lit.)
Vapour pressure	10 mmHg (20 °C)
Vapour density	>1 (vs air)
Storage temperature	2-8°C
Application	Hexanal has been used in the quantification of carbonyls that contribute to the complex flavor of olive oil1. It can also be used for Wittig and aldol reactions.

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Warning

Hazard statements

H226Flammable liquid and vapour

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	25 °C / 77 °F
Transport (UN / ADR)	UN 1207 3 / PGIII
Water hazard class (WGK, DE)	1
Risk statements (R)	10

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

04 /Identifiers & registry

CAS number

66-25-1

MDL number

MFCD00007027

PubChem substance

24847229

Beilstein registry

506198

05 /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.

06 /Frequently asked questions

What is Hexanal used for?

Hexanal is used in organic synthesis for reactions like Wittig and aldol condensations, and in analytical chemistry for quantifying flavour compounds in food products. It is also utilised in research across fields such as cell biology and nutrition.

What are the CAS number and formula for Hexanal?

The CAS number for Hexanal is 66-25-1, and its linear formula is CH3(CH2)4CHO.

What grade and purity does Tech Serve Solutions supply for Hexanal?

Tech Serve Solutions supplies Hexanal with an assay of 98%. This product is suitable for research and general laboratory use. We do not represent it as USP, BP, or EP grade.

How should Hexanal be handled and stored safely?

Hexanal is a flammable liquid and vapour (H226), requiring handling with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Store in a cool, well-ventilated area, ideally under refrigeration at 2-8°C, away from ignition sources.

How is Hexanal packed, shipped, and exported?

Hexanal is carefully packaged according to international regulations for hazardous materials (UN 1207, Class 3, PGIII) to ensure safe transport. We offer global export services.

How can I request a quote or sample of Hexanal?

To request a quote or a sample of Hexanal, please contact our sales team through the website or by phone. Specify the quantity required for your quotation.