1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine

Also known as: 2-Naphthalenamine, 1,2,3,4-tetrahydro-5,6-dimethoxy-, 1,2,3,4-Tetrahydro-2-amino-5,6-dimethoxynaphthalene, 2-Amino-5,6-dimethoxy-1,2,3,4-tetrahydronaphthalene, 5,6-Dimethoxy-1,2,3,4-tetrahydronaphthalen-2-amine, 5,6-Dimethoxy-2-aminotetrahydronaphthalene, 2-NAPHTHYLAMINE, 1,2,3,4-TETRAHYDRO-5,6-DIMETHOXY

1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine (CAS 21489-50-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H17NO2 and a molecular weight of 207.26900 g/mol. Key properties include a boiling point of 339.1ºC at 760 mmHg, a density of 1.08g/cm3 and a flash point of 174.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21489-50-9
Jingsj CID: J-1051957-0
Molecular Formula: C₁₂H₁₇NO₂
Molecular Weight: 207.26900 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	339.1ºC at 760 mmHg
Density	1.08g/cm3
Flash Point	174.1ºC
Exact Mass	207.12600
PSA	44.48000
LogP	2.22010
Vapor Pressure	9.42E-05mmHg at 25°C
Refractive Index	1.537

Customs & Trade Information

HS Code	2922299090
Summary	2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine?

The CAS number of 1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine is 21489-50-9.

What are the molecular formula and molecular weight of 1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine?

1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine has molecular formula C12H17NO2 and molecular weight 207.26900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,2,3,4-Tetrahydro-5,6-dimethoxy-2-naphthalenamine (CAS 21489-50-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1051957-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.