cis-Decahydronaphthalene
cis-Decahydronaphthalene (CAS 493-01-6, C10H18) is a bicyclic alkane with a molecular weight of 138.25 g/mol. It is a colourless liquid at room temperature, characterised by its relatively low volatility. cis-Decahydronaphthalene is a valuable organic building block utilised in various chemical synthesis applications and as a component in research and development settings.
- IUPAC
- cis-Decalin®

Chemical Synthesis
As a cyclic alkane, cis-Decahydronaphthalene serves as a versatile building block in organic synthesis. Its saturated ring structure makes it suitable for reactions where a stable hydrocarbon framework is required.
Research and Development
This compound is employed in laboratory settings for research purposes, contributing to the development of new chemical processes and materials. Its specific stereochemistry can be advantageous in stereoselective synthesis.
Solvent Applications
While not its primary use, cis-Decahydronaphthalene may find application as a high-boiling point solvent in specialised industrial processes where its chemical inertness and solvent properties are beneficial.
| Molecular weight | 138.25 |
|---|---|
| Empirical formula | C10H18 |
| Assay | ≥98.0% (GC) |
| Boiling point | 193 °C(lit.) |
| Density | 0.897 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.481(lit.)n20/D 1.481 |
| Vapour pressure | 42 mmHg (92 °C) |
| Melting point | −43 °C(lit.) |
| Vapour density | 4.76 (vs air) |
| Autoignition temp | 482 °F |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 58 °C / 136.4 °F |
| Transport (UN / ADR) | UN 1147 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is cis-Decahydronaphthalene used for?
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cis-Decahydronaphthalene is primarily used as a building block in chemical synthesis and for research and development purposes.
What are the CAS number and formula for cis-Decahydronaphthalene?
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The CAS number is 493-01-6 and the molecular formula is C10H18.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-Decahydronaphthalene with an assay of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should cis-Decahydronaphthalene be handled safely?
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cis-Decahydronaphthalene is a flammable liquid and vapour (H226), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). It is also harmful if inhaled (H332). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation and avoid sources of ignition.
Is cis-Decahydronaphthalene a controlled substance?
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The provided data does not indicate that cis-Decahydronaphthalene is a controlled substance.
How is cis-Decahydronaphthalene shipped and exported?
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Tech Serve Solutions, a global supplier and exporter, ships and exports chemicals like cis-Decahydronaphthalene in compliance with international regulations. Specific packaging details will be provided upon inquiry.
How can I request a sample or quote for cis-Decahydronaphthalene?
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To request a sample or quote, please contact our sales department through the website or by phone, providing the product name and CAS number.
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