Description Catalogue Number 101995 Synonyms MTBE, MTB, 2-Methoxy-2-methylpropane, Methyl tert-butyl ether Description tert-Butyl methyl ether Overview SupraSolv® ECD and FID is specially developed for gas chromatography in combination with ECD (Electron Capture Detetor) and FID (Flame Ionization detector). SupraSolv® solvents offer the largest specified retention time range, a clear baseline and a minimal signal-to-noise ratio leading to reliable and reproducible analysis results. Product Information CAS number 1634-04-4 EC index number 603-181-00-X EC number 216-653-1 Hill Formula C₅H₁₂O Chemical formula (CH₃)₃COCH₃ Molar Mass 88.15 g/mol HS Code 2909 19 90 Structure formula Image Applications Application tert-Butyl methyl ether for gas chromatography ECD and FID SupraSolv®. CAS 1634-04-4, EC Number 216-653-1, chemical formula (CH₃)₃COCH₃. Physicochemical Information Boiling point 55.3 °C (1013 hPa) Density 0.74 g/cm3 (20 °C) Explosion limit 1.5 - 8.5 %(V) Flash point -28 °C Ignition temperature 460 °C Melting Point -108.6 °C Vapor pressure 268 hPa (20 °C) Viscosity kinematic 0.409 mm2/s (40 °C) no data available Solubility 42 g/l Toxicological Information LD 50 oral LD50 Rat > 2000 mg/kg LD 50 dermal LD50 Rabbit > 2000 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H225: Highly flammable liquid and vapour. H315: Causes skin irritation. Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P240: Ground/bond container and receiving equipment. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. RTECS KN5250000 Storage class 3 Flammable liquids WGK WGK 1 slightly water endangering Disposal 1 Strongly contaminated halogen-free organic solvents: container A. Safety Information Hazard Symbols Irritant Flammable Categories of danger highly flammable, irritant R Phrase R 11-38 Highly flammable.Irritating to skin. S Phrase S 9-16-24 Keep container in a well-ventilated place.Keep away from sources of ignition - No smoking.Avoid contact with skin. Storage and Shipping Information Storage Store at +2°C to +25°C. Transport Information Declaration (railroad and road) ADR, RID UN 2398 , 3, II Declaration (transport by air) IATA-DGR UN 2398 , 3, II Declaration (transport by sea) IMDG-Code UN 2398 , 3, II