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Molekula

Molekula

trans-2 cis-6-Nonadienal

SKU 90033915 CAS 557-48-2 C2H5CH=CHCH2CH2CH=CHCHO MW 138.21 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

trans-2 cis-6-Nonadienal is a naturally occurring aldehyde responsible for the distinctive cucumber aroma and flavor, widely used in food, fragrance, and flavor industries to impart fresh, green notes. This chemical features a CAS number of 557-48-2, a molecular formula of C9H14O, and a molecular weight of 138.21 g/mol. It is stable at ambient storage conditions, with a signal word of *Warning* for safety handling. Molekula supplies trans-2 cis-6-Nonadienal from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Pricing & pack sizes

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Specifications

Property Value
Appearance Yellow liquid
Refractive Index 1.460 - 1.480
Specific Gravity 0.850 - 0.880
Assay ≥ 96.0%
Acid Value (mg KOH/g) ≤ 0.5
Assay of the main isomer ≥ 92%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 82 °C
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Boiling Point 94 to 95 °C at 18 mmHg
Solubility (other solvents) Soluble in most fixed oils; Insoluble in water

Source: PubChem CID 643731 (Human Metabolome Database (HMDB), Joint FAO/WHO Expert Committee on Food Additives (JECFA))

Identification

Property Value
SKU 90033915
CAS Number 557-48-2
IUPAC Name (2E,6Z)-nona-2,6-dienal
EC Number 209-178-6
Molecular Formula C2H5CH=CHCH2CH2CH=CHCHO
Molecular Weight 138.21
Exact Mass 138.1045
SMILES CC/C=C\CC/C=C/C=O
InChIKey HZYHMHHBBBSGHB-ODYTWBPASA-N
InChI InChI=1S/C9H14O/c1-2-3-4-5-6-7-8-9-10/h3-4,7-9H,2,5-6H2,1H3/b4-3-,8-7+
PubChem CID 643731
REACH Code Y110
TSCA Listed Yes
HTS Code 29121950
Tariff Code 2912190090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H227 Combustible liquid
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
  • P337+313 If eye irritation persists get medical advice/attention

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • (2E,6Z)-2,6-Nonadienal
  • (2E,6Z)-Nona-2,6-dien-1-al
  • (2E,6Z)-nona-2,6-dienal
  • (2E,6Z)-Nonadienal
  • (E,Z)-2,6-nonadienal
  • 2-trans-6-cis-Nonadienal
  • 2,6-Nonadienal, (2E,6Z)-
  • Cucumber aldehyde
  • trans,cis-2,6-Nonadienal
  • Violet leaf aldehyde

Frequently asked questions

What is trans-2 cis-6-Nonadienal used for?

This compound is primarily used in the flavor and fragrance industry to impart a fresh, cucumber-like aroma and taste, often found in cosmetics, detergents, and food products.

What is the chemical formula and molecular weight of trans-2 cis-6-Nonadienal?

The chemical formula is **C9H14O** (C2H5CH=CHCH2CH2CH=CHCHO), and the molecular weight is **138.21 g/mol**.

What safety precautions should be taken when handling trans-2 cis-6-Nonadienal?

The product has a **signal word of 'Warning'** and may cause skin or eye irritation. Use appropriate PPE and avoid inhalation or prolonged skin contact.

What grades or purities of trans-2 cis-6-Nonadienal does Molekula supply?

Molekula supplies **high-purity (95%+)** trans-2 cis-6-Nonadienal suitable for fragrance, flavor, and research applications.

Can Molekula supply trans-2 cis-6-Nonadienal in bulk quantities?

Yes, Molekula can provide bulk quantities of trans-2 cis-6-Nonadienal upon request, depending on availability and order specifications.

What documentation comes with an order of trans-2 cis-6-Nonadienal?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet detailing purity, storage, and handling instructions.

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