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cis-7-Decenal

CAS 21661-97-2CH3CH2CH=CH(CH2)5CHOChemical Synthesis

cis-7-Decenal (CAS 21661-97-2) is an unsaturated aldehyde with the molecular formula CH3CH2CH=CH(CH2)5CHO and a molecular weight of 154.25 g/mol. This aliphatic aldehyde, featuring a double bond at the 7-position, serves as a valuable building block in organic synthesis. Its reactive aldehyde group and alkene functionality make it suitable for various chemical transformations and the construction of more complex molecules, particularly in the fine chemical and research sectors.

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cis-7-Decenal (CH3CH2CH=CH(CH2)5CHO) — chemical structure, CAS 21661-97-2; Chemistry, fine chemical supplied by Tech Serve Solutions
AldehydesBuilding BlocksC10-C12Carbonyl CompoundsChemical Synthesis
01 /Applications

Organic Synthesis Intermediate

cis-7-Decenal is employed as a versatile intermediate in the synthesis of complex organic molecules. Its aldehyde functionality can undergo reactions such as oxidation, reduction, and nucleophilic addition, while the olefinic bond allows for addition reactions and polymerizations.

Flavour and Fragrance Precursor

As an unsaturated aldehyde, cis-7-Decenal may find application as a precursor in the synthesis of aroma chemicals. Its structure can contribute to specific olfactory profiles when incorporated into more complex fragrance or flavour compounds.

Research and Development

This compound is utilised in laboratory settings for research purposes, enabling chemists to explore novel synthetic pathways and develop new materials or chemical entities.

02 /Properties
Molecular weight154.25
Linear formulaCH3CH2CH=CH(CH2)5CHO
Assay96%
Boiling point143-145 °C(lit.)
Density0.842 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.445(lit.)
Storage temperature2-8°C
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Warning

Hazard statements

  • H226Flammable liquid and vapour
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point25 °C / 77 °F
Transport (UN / ADR)UN 1989C 3 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)10-36/37/38
Safety statements (S)16-26-36

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

04 /Identifiers & registry
CAS number
21661-97-2
MDL number
MFCD00015571
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 cis-7-Decenal used for?

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cis-7-Decenal is primarily used as an intermediate in organic synthesis, a building block for creating more complex molecules, and potentially as a precursor in the flavour and fragrance industry. It is also utilised in research and development laboratories.

What are the CAS number and chemical formula for cis-7-Decenal?

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The CAS number for cis-7-Decenal is 21661-97-2, and its chemical formula is CH3CH2CH=CH(CH2)5CHO.

What grade and purity does Tech Serve Solutions supply for cis-7-Decenal?

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Tech Serve Solutions supplies cis-7-Decenal with a purity of 96% (assay). We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.

How should cis-7-Decenal be handled and stored safely?

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cis-7-Decenal is a flammable liquid and vapour (H226), causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). It should be handled with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Store at 2-8°C.

How is cis-7-Decenal packed, shipped, and exported?

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cis-7-Decenal is packed and shipped in compliance with relevant regulations for hazardous materials. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, handling international shipments efficiently and professionally.

How can I request a sample or quote for cis-7-Decenal?

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To request a sample or a quotation for cis-7-Decenal, please contact our sales team via the website or by phone. Our representatives will be pleased to assist you with your inquiry.

Need cis-7-Decenal in a specific grade or volume?