Trisulfane is the inorganic compound with the formula H2S3. It is a pale yellow volatile liquid with a camphor-like odor. It decomposes readily to hydrogen sulfide (H2S) and elemental sulfur. It is produced by distillation of the polysulfane oil obtained by acidification of polysulfide salts.

CAS：13845-23-3
中文别名：
英文别名：S3H;S2H;Polysulfane;dihydrogen trisulfide;HYDROGEN TRISULFIDE;(Sulfide)n;
分子式：H2S3
分子量：98.2109
精确质量：97.9319
Psa：102.9
Logp：1.4092