(S)-N,N'-Dimethyl-1,1'-binaphthyldiamine

(S)-N,N'-二甲基联萘胺

Also known as: (S)-[1,1'-Binaphthalene]-2,2'-diamine, N,N'-dimethyl, 2,2'-bis(N-methylamino)-1,1'-binaphthyl, (S)-N,Nμ-Dimethyl-2,2μ-diamino-1,1μ-binaphthyl, (S)-N,Nμ-Dimethyl-1,1μ-binaphthalene-2,2μ-diamine, (S)-N2,N2'-Dimethyl-[1,1'-binaphthalene]-2,2'-diamine

(S)-N,N'-Dimethyl-1,1'-binaphthyldiamine (CAS 666175-40-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C22H20N2 and a molecular weight of 312.408 g/mol. It is also known as (S)-[1,1'-Binaphthalene]-2,2'-diamine, N,N'-dimethyl, 2,2'-bis(N-methylamino)-1,1'-binaphthyl and (S)-N,Nμ-Dimethyl-2,2μ-diamino-1,1μ-binaphthyl. Key properties include a melting point of 147-150ºC, a boiling point of 516.1±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 332.8±20.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 666175-40-2
Jingsj CID: J-1192398-3
Molecular Formula: C₂₂H₂₀N₂
Chinese Name: (S)-N,N'-二甲基联萘胺
Molecular Weight: 312.408 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	147-150ºC
Boiling Point	516.1±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	332.8±20.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (S)-N,N'-Dimethyl-1,1'-binaphthyldiamine?

The CAS number of (S)-N,N'-Dimethyl-1,1'-binaphthyldiamine is 666175-40-2.

What are the molecular formula and molecular weight of (S)-N,N'-Dimethyl-1,1'-binaphthyldiamine?

(S)-N,N'-Dimethyl-1,1'-binaphthyldiamine has molecular formula C22H20N2 and molecular weight 312.408 g/mol.

Is (S)-N,N'-Dimethyl-1,1'-binaphthyldiamine hazardous?

(S)-N,N'-Dimethyl-1,1'-binaphthyldiamine has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(S)-N,N'-Dimethyl-1,1'-binaphthyldiamine (CAS 666175-40-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1192398-3 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.