2,7-Naphthalenedithiol

Also known as: Naphthalene-2,7-dithiol, 2,7-Dimercaptonaphthalene, 2,7-Disulfhydryl-naphthalin, Naphthalin-2,7-dithiol

2,7-Naphthalenedithiol (CAS 71977-56-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H8S2 and a molecular weight of 192.30100 g/mol. Key properties include a boiling point of 353.7ºC at 760 mmHg, a density of 1.292 g/cm3 and a flash point of 178.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 71977-56-5
Jingsj CID: J-1505769-9
Molecular Formula: C₁₀H₈S₂
Molecular Weight: 192.30100 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	353.7ºC at 760 mmHg
Density	1.292 g/cm3
Flash Point	178.6ºC
Exact Mass	192.00700
PSA	77.60000
LogP	3.41720
Refractive Index	1.747

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. 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 2,7-Naphthalenedithiol?

The CAS number of 2,7-Naphthalenedithiol is 71977-56-5.

What are the molecular formula and molecular weight of 2,7-Naphthalenedithiol?

2,7-Naphthalenedithiol has molecular formula C10H8S2 and molecular weight 192.30100 g/mol.

What are the upstream and downstream products of 2,7-Naphthalenedithiol?

For 2,7-Naphthalenedithiol, Upstream Products: 2,7-Naphthalenedisulfonyl chloride, Naphthalene-2,7-disulfonic acid, Disodium 2,7-naphthalenedisulfonate.

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. "2,7-Naphthalenedithiol (CAS 71977-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505769-9 (accessed 2026-11-09).

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