• 1-Dodecylnaphthalene (CAS 38641-16-6) - TCI D2145 - AMI Scientific
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CAS 38641-16-6

1-Dodecylnaphthalene TCI D2145

1-Dodecylnaphthalene TCI D2145
Rp 3.424.050,00
Rp 3.424.050,00
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TCI D2145, with CAS number 38641-16-6, is 1-Dodecylnaphthalene, a naphthalene molecule carrying a straight twelve-carbon alkyl chain at the one position. The compound unites two characters in a single structure: a rigid bicyclic aromatic core and a long, flexible aliphatic chain, which is why it is frequently described as a model alkyl-aromatic compound. In the laboratory it serves both as a building block and as a reference compound for studying the behaviour of heavy components in petroleum fractions, fuels, and lubricating oils.

The property that makes this compound a preferred choice is its distinctive structural amphiphilicity. The naphthalene portion is strongly hydrophobic and able to interact through aromatic stacking, while the dodecyl chain increases solubility in non-polar solvents and lowers the tendency to crystallise. This combination yields a compound with a high boiling point and low volatility, which is in fact an advantage in thermal testing and when the material is used as a matrix in stability experiments. Its single, clearly defined molecular structure also makes it far more useful as a reference than technical alkylnaphthalene mixtures of variable composition.

In Indonesian laboratories, this material is typically used in petroleum and fuel research settings, in university and institutional chemistry laboratories, and in analytical work where a well-defined alkyl-aromatic reference is required. It fits studies of heavy petroleum fractions and lubricating oil components, thermal behaviour testing, and synthetic work that needs a non-heterocyclic aromatic building block with a long alkyl substituent. Its low volatility makes it convenient to handle over extended experimental runs.

  • Reference compound for heavy petroleum fractions: its single, defined alkyl-aromatic structure represents heavy fraction components far more reproducibly than technical alkylnaphthalene mixtures of variable composition.
  • Fuel and lubricating oil research: the naphthalene core combined with a dodecyl chain mirrors the alkyl-aromatic species found in fuels and lubricants, supporting comparative studies of their behaviour.
  • Thermal behaviour testing: the high boiling point and low volatility allow the compound to be held at elevated temperatures without rapid loss, giving stable and repeatable thermal measurements.
  • Matrix for stability experiments: its low volatility and strong hydrophobic character make it a suitable non-polar medium in which other components can be monitored over time.
  • Non-heterocyclic aromatic building block: the reactive naphthalene ring system with an established long alkyl substituent gives synthetic chemists a defined starting point for further functionalisation.

Brand TCI
CAS number 38641-16-6
Molecular formula —
Purity —
Category Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes available in standard TCI laboratory pack sizes; please confirm the size required when ordering
Physical form —
Storage store as indicated on the manufacturer's label and accompanying documentation
  • Product code: D2145
  • Chemical name: 1-Dodecylnaphthalene

Store the container tightly closed in a cool, dry, well-ventilated area, away from heat sources, open flame, and direct sunlight, and separated from strong oxidising agents. Keep the material in its original manufacturer container, or in a clean, chemically compatible glass or metal container that is clearly labelled with the product name and CAS number. Handle the compound in a fume hood, wearing safety glasses, chemically resistant gloves, and a laboratory coat, since it is a hydrophobic organic liquid that should not contact skin or eyes. Avoid discharge to drains, clean up spills with an inert absorbent material, and always consult the manufacturer's Safety Data Sheet before use.

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