(S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine
(S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine (CAS 20218-55-7) is a chiral amine with the molecular formula C₁₀H₇CH(CH₃)NHCH₃ and a molecular weight of 185.26 g/mol. This compound is valuable in organic synthesis, particularly as a chiral building block. It plays a role in asymmetric synthesis and general chemical synthesis, enabling the creation of stereochemically defined molecules. Supplied by TSS with an assay of 97%, it is suitable for research and development applications.

Chiral Building Block
Serves as a key enantiomerically pure intermediate in the synthesis of complex chiral molecules. Its specific stereochemistry is crucial for directing the stereochemical outcome of subsequent reactions.
Asymmetric Synthesis
Utilised in reactions where the formation of a specific stereoisomer is required. It can act as a chiral auxiliary or a starting material for chiral ligands.
Pharmaceutical Intermediate
A potential intermediate in the synthesis of pharmacologically active compounds, where precise stereochemistry is often essential for efficacy and safety.
Organic Synthesis Reagent
Employed in various organic transformations to introduce chirality or facilitate specific bond formations, contributing to the construction of diverse organic structures.
| Molecular weight | 185.26 |
|---|---|
| Linear formula | C10H7CH(CH3)NHCH3 |
| Assay | 97% |
| Boiling point | 203 °C(lit.) |
| Density | 1.04 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.605(lit.) |
| Optical activity | [α]23/D −89°, c = 4 in ethanol |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 (S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and general organic synthesis. It is valuable for creating stereochemically defined molecules.
What are the CAS number and formula for (S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine?
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The CAS number is 20218-55-7, and its linear formula is C₁₀H₇CH(CH₃)NHCH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine with an assay of 97%. This product is typically considered a research or technical grade and is not represented as USP, BP, or EP grade.
How should (S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine be handled safely?
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This compound is classified as a Warning with hazard statements including H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Ensure adequate ventilation and use a suitable respirator if necessary.
How is (S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine packed and exported?
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(S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine is carefully packed to maintain its integrity during transport. Tech Serve Solutions has extensive experience in exporting chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for this chemical?
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To request a sample or obtain a quote for (S)-(−)-N-Methyl-1-(1-naphthyl)ethylamine, please contact the Tech Serve Solutions sales team through our website or by phone. Please reference the product name and CAS number.
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