... 507-09-5 [Molecular Formula]: C2H4OS 76.11 [Properties]: light yellow liquid with irritating smell, ... 10/4?), m.p., <-17?, flash point 11?, boiling range: 88-91?, specific weight range: ... drum, net weight 25kg, 100kg, 200kg. [Quality Index]: ItemIndexBest QualityFirst QualityQualifierAppearancelight yellow transparent liquidlight yellow transparent ... ≤0.0002≤0.0003 high quality Thiolacetic acid 507-09-5