5-(Methylamino)-1,3,4-thiadiazole-2-thiol

5-甲氨基-[1,3,4]噻二唑-2-硫醇

Also known as: 5-Methylamino-[1,3,4]thiadiazole-2-thiol, 2-Mercapto-5-methylamino-1,3,4-thiadiazole, 2-Methylamino-5-mercapto-1,3,4-thiadiazole, 5-(Methylamino)-1,3,4-thiadiazole-2(3H)-thione, 5-Methylamino-3H-1,3,4-thiadiazole-2-thione, 1,3,4-Thiadiazole-2(3H)-thione, 5-(methylamino)-, 5-Mercapto-2-methylamino-1,3,4-thiadiazole

5-(Methylamino)-1,3,4-thiadiazole-2-thiol (CAS 27386-01-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C16H22N2O and a molecular weight of 258.359 g/mol. It is also known as 5-Methylamino-[1,3,4]thiadiazole-2-thiol, 2-Mercapto-5-methylamino-1,3,4-thiadiazole and 2-Methylamino-5-mercapto-1,3,4-thiadiazole. Key properties include a melting point of 190ºC, a boiling point of 483.6±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 246.2±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 27386-01-2
Jingsj CID: J-1750298-2
Molecular Formula: C₁₆H₂₂N₂O
Chinese Name: 5-甲氨基-[1,3,4]噻二唑-2-硫醇
Molecular Weight: 258.359 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	190ºC
Boiling Point	483.6±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	246.2±28.7 °C

Frequently Asked Questions

What is the CAS number of 5-(Methylamino)-1,3,4-thiadiazole-2-thiol?

The CAS number of 5-(Methylamino)-1,3,4-thiadiazole-2-thiol is 27386-01-2.

What are the molecular formula and molecular weight of 5-(Methylamino)-1,3,4-thiadiazole-2-thiol?

5-(Methylamino)-1,3,4-thiadiazole-2-thiol has molecular formula C16H22N2O and molecular weight 258.359 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-(Methylamino)-1,3,4-thiadiazole-2-thiol (CAS 27386-01-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1750298-2 (accessed 2026-10-22).

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