Physical Property: colorless transparent liquid, combustible, melting point: -129 潞C; boiling point 97.1 潞C flash point(28 潞C): consistency(20 潞C)0.854,refraction:1.4135. Hazard Symbols: T; N Transport Information: UN 1098 Quality Index: Item Index Test Method Color and Lustre 20MAX DIN ISO 6271 Content 99.90 PCT MIN GC Moisture 0.20 PCT MAX DIN ISO 51777