S-Methylisothiourea hemisulfate

Chinese Name: S-Methylisothiourea Hemisulfate, also known as2-Methyl-2-thiopseudourea Sulfate

CAS: 2986-19-8, 867-44-7

English Name: 2-methyl-2-thiopseudourea sulfate

Carbamimidothioic acid, methyl ester (9CI)

Chemical Formula: C₂H₆N₂S

Molecular Weight: 90.1474 (excluding 1/2 sulfate)

Since the free radical S-methylisothiourea [2986-19-8] (without sulfate) cannot be isolated, the product mainly exists in the form of sulfate, which is S-methylisothiourea hemisulfate (CAS 867-44-7 or generally referred to as: S-methylisothiourea sulfate).

Product Chemical Formula: C₂H₆N₂S · 1/2H₂SO₄

Molecular Weight: 139.19

Density: 1.26 g/cm³

Boiling Point: 138.8ºC at 760 mmHg

Melting Point: 240-244ºC (dec.)(lit.) (This refers to S-methylisothiourea hemisulfate, CAS 867-44-7)

Main Applications: Pharmaceutical intermediate production, pesticide intermediate production.