thiocarbamic acid

Base Information

• Chemical Name: thiocarbamic acid
• CAS No.: 19045-66-0
• Molecular Formula: H2NCOSH
• Molecular Weight: 0
• Hs Code.: 2930909090
• Mol file: 19045-66-0.mol

Synonyms:(thio)carboxamide;Carbamothioic acid;thiolcarbamic acid;sulphanamide;amide thioketone;mercaptoamide;thiocarbamic acid;

Chemical Property of thiocarbamic acid

Chemical Property:

• Vapor Pressure: 5.81mmHg at 25°C
• Boiling Point: 141.6°C at 760 mmHg
• Flash Point: 39.4°C
• PSA: 82.88000
• Density: 1.287g/cm³
• LogP: 0.50870

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of thiocarbamic acid

There total 2 articles about thiocarbamic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 69.0%

3-aminobenzoic acid ethyl ester (582-33-2) + potassium thioacyanate (333-20-0) → thiocarbamic acid (19045-66-0)

Guidance literature:

3-aminobenzoic acid ethyl ester; With sulfuric acid; In chlorobenzene; at -10 ℃; for 0.25h;

potassium thioacyanate; With 18-crown-6 ether; at 20 - 100 ℃; for 14h; Heating / reflux;

Reference yield:

→ Thiocarbamidsaeure (19045-66-0)

Guidance literature:

als Ammoniumsalz.: NH3, COS;

Reference yield:

thiocarbamic acid (19045-66-0) → 2-amino-5-ethoxycarbonylbenzothiazole (103040-92-2) + 2-amino-7-benzothiazolecarboxylic acid ethyl ester (677304-89-1)

Guidance literature:

With 3-[(aminothioxomethyl)amino]benzoic acid ethyl ester; In chloroform; acetic acid; at 20 - 70 ℃; for 17.5h; Heating / reflux;

upstream raw materials:

3-aminobenzoic acid ethyl ester

potassium thioacyanate

Downstream raw materials:

2-amino-5-ethoxycarbonylbenzothiazole

2-amino-7-benzothiazolecarboxylic acid ethyl ester

4-(2,4-dimethoxy-phenyl)-3H-thiazol-2-one