CAS Number: 1948-33-0 Appearance: white to off-white crystals Melting point: 126.5-128.5 °C Content: 99.0%Min Usage: A useful antioxidant for unstable organic liquids such as chlorinated hydrocarbons, certain oils, ethers, and aldehydes.Also an effective heat and light stabilizer for the pressure-sensitive adhesives based on polyvinylethers. In addition, can be used as a polymerization retarder for unsaturated polyesters and certain other polymerizable systems.