Product Name: Hexamethylcyclotrisiloxane (D3) Synonyms: Hexamethylcyclo Molecular Formula: [(CH3)2SiO]3 Molecular Weight: 222.46 Melting point: 64.5C Boiling point: 134C Flash point: 35C Density ((P20, g/cm3): 1.12 Testing Item Standard Assay (%) 99.0 Min Appearance White Crystalline Lens CAS No.: 541-05-9 EINECS: UN: 1325 Hazardous grade: 4.1 Package type: II Usage: � � � � � � � � Used in producing silicone oil & silane coupling agent. Package: 125kg in 200L steel drum. 10T in 20â??FCL. 10T per 20' FCL