tert-Bütil metil eter (MTBE), hem laboratuvar analizlerinde hem de sanayide çok yönlü olarak tercih edilen bir çözücüdür (solvent).
 
Linear Formula: (CH₃)₃COCH₃
CAS Number: 1634-04-4
Molecular Weight: 88.15
UNSPSC Code: 12191502
EC Index Number: 216-653-1
NACRES: NA.03
MDL number: MFCD00008812
Assay: ≥99.8% (GC)
Technique(s): gas chromatography (GC): suitable
Bp: 55.3 °C/1013 hPa
Vapor pressure: 268 hPa ( 20 °C)
Quality Segment : 100
Product line : SupraSolv^®
Assay : ≥99.8% (GC)
Form : liquid
Autoignition temp. : 460 °C
Potency : >2000 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rabbit)
expl. lim. : 1.5-8.5 % (v/v)
Technique(s) : gas chromatography (GC): suitable
Kinematic viscosity : 0.409 cSt(40 °C)
bp : 55.3 °C/1013 hPa
mp : -108.6 °C
Transition temp : flash point -28 °C
Density : 0.74 g/cm³ at 20 °C
Storage temp. : 2-30°C