Thioformaldehyde is the organosulfur compound with the formula CH2S. This compound is very rarely observed because it oligomerizes to 1,3,5-trithiane, which is a stable colorless compound with the same formula. Despite its instability under normal terrestrial conditions, the molecule has been observed in the interstellar medium]] and has attracted much attention for its fundamental nature. The tendency of thioformaldehyde to form chains and rings is a manifestation of the Double bond rule.

CAS：865-36-1
中文别名：
英文别名：Thioformaldehyde;Formaldehyde, thio-;
分子式：CH2S
分子量：46.0916
精确质量：45.9877
Psa：32.09
Logp：0.6159

海关编码：2912190090