Thiocyanic acid, C,C'-1,2-ethanediyl ester

Also known as: Ethylene 1,2-dithiocyanate, 1,2-dithiocyanatoethane, 2-thiocyanatoethyl thiocyanate, Ethylene dithiocyanate, NSC 1911

Thiocyanic acid, C,C'-1,2-ethanediyl ester (CAS 629-17-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4N2S2 and a molecular weight of 144.21800 g/mol. Key properties include a melting point of 88-89ºC, a boiling point of 314.1ºC at 760 mmHg, a density of 1.319g/cm3 and a flash point of 143.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 629-17-4
Jingsj CID: J-32424-3
Molecular Formula: C₄H₄N₂S₂
Molecular Weight: 144.21800 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	88-89ºC
Boiling Point	314.1ºC at 760 mmHg
Density	1.319g/cm3
Flash Point	143.8ºC
Exact Mass	143.98200
PSA	98.18000
LogP	1.41496
Refractive Index	1.58

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 Thiocyanic acid, C,C'-1,2-ethanediyl ester?

The CAS number of Thiocyanic acid, C,C'-1,2-ethanediyl ester is 629-17-4.

What are the molecular formula and molecular weight of Thiocyanic acid, C,C'-1,2-ethanediyl ester?

Thiocyanic acid, C,C'-1,2-ethanediyl ester has molecular formula C4H4N2S2 and molecular weight 144.21800 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. "Thiocyanic acid, C,C'-1,2-ethanediyl ester (CAS 629-17-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32424-3 (accessed 2026-11-09).

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