MX0826

tert-Butyl methyl ether

OmniSolv^®

• Synonym(s): Methyl-t-Butyl Ether, tert-Butyl Methyl Ether,MTBE, MTBE
• Linear Formula: CH₃OC(CH₃)₃
• CAS Number: 1634-04-4
• MDL number: MFCD00008812
• UNSPSC Code: 12352112
• EC Index Number: 216-653-1

Properties

• vapor pressure: 268 hPa ( 20 °C)
• Quality Level: 100
• product line: OmniSolv^®
• Assay: ≥99.5% (GC)
• form: liquid
• technique(s): HPLC: suitable; LC/MS: suitable; gas chromatography (GC): suitable
• impurities: ≤0.05% Water (H₂O); ≤1 ppm Peroxide (as H₂O₂); ≤5 ng/L Capillary ECD responsive substances (as PCNB)
• evapn. residue: ≤1 ppm
• color: APHA: ≤10
• bp: 55.3 °C/1013 hPa
• mp: -108.6 °C
• transition temp: flash point -28 °C
• solubility: 42 g/L
• density: ~0.74 g/cm³ at 20 °C
• UV absorption: λ: 210 nm A_max: ≤0.75; λ: 220 nm A_max: ≤0.50; λ: 225 nm A_max: ≤0.30; λ: 250 nm A_max: ≤0.10; λ: 270 nm A_max: ≤0.01; λ: 300 nm A_max: ≤0.005
• shipped in: ambient
• storage temp.: room temp
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• InChI key: BZLVMXJERCGZMT-UHFFFAOYSA-N

Description

Application

OmniSolv^®

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Assay (GC)99.5% minCapillary ECD responsive substances (as PCNB)5ng/L maxColor (APHA)10 maxEvaporation residue1ppm maxFiltered through 0.2 µm filterTo pass testFluorescence (as quinine base)500ppt maxFormClear liquidInfrared SpectrumConforms to standardPeroxide (as H2O2)1ppm maxTitrable acidµeq/gUV Abs. at 210 nm0.75AU maxUV Abs. at 220 nm0.50AU maxUV Abs. at 225 nm0.30AU maxUV Abs. at 250 nm0.10AU maxUV Abs. at 270 nm0.01AU maxUV Abs. at 300 nm0.005AU maxWater (H2O)0.05% max

Legal Information

OMNISOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225 - H315
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353
• Hazard Classifications: Flam. Liq. 2 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): -18.4 °F - closed cup
• Flash Point(C): -28 °C - closed cup