99%Min, 250kg/drum Cas no: 107-96-0 MF: C3H6O2S MW: 106.14 USAGE: This product is an intermediate of medicine fenalol, also used as a stabilizer of PVC. Like thioglycolic acid, it can be used in transparent products with excellent thermal stability and is superior to other stabilizers. It is also used as an antioxidant, catalyst and biochemical reagent.