1-Ethyl-2-thiourea

乙基硫脲

Also known as: Ethylthiourea, N-Ethylthiourea, 1-Ethylthiourea, N-Ethylthiocarbamide, Ethyl-2-thiourea, N-Ethylcarbamimidothioic acid, Thiourea, N-ethyl-, Thiourea, ethyl-

1-Ethyl-2-thiourea (CAS 625-53-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H8N2S and a molecular weight of 104.174 g/mol. It is also known as Ethylthiourea, N-Ethylthiourea and 1-Ethylthiourea. Key properties include a melting point of 108-110 °C(lit.), a boiling point of 161.6±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 51.5±22.6 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
625-53-6
Jingsj CID
J-31053-2
Molecular Formula
C3H8N2S
Chinese Name
乙基硫脲
Molecular Weight
104.174 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point108-110 °C(lit.)
Boiling Point161.6±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point51.5±22.6 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-Ethyl-2-thiourea?

The CAS number of 1-Ethyl-2-thiourea is 625-53-6.

What are the molecular formula and molecular weight of 1-Ethyl-2-thiourea?

1-Ethyl-2-thiourea has molecular formula C3H8N2S and molecular weight 104.174 g/mol.

Is 1-Ethyl-2-thiourea hazardous?

1-Ethyl-2-thiourea has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-2-thiourea (CAS 625-53-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31053-2 (accessed 2026-10-22).

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