20249

tert-Butyl methyl ether

puriss., dried over molecular sieve (H₂O ≤0.01%), ≥99.5% (GC)

• Synonym(s): MTBE, Methyl tert-butyl ether
• Linear Formula: (CH₃)₃COCH₃
• CAS Number: 1634-04-4
• Molecular Weight: 88.15
• EC Number: 216-653-1
• UNSPSC Code: 12190000
• PubChem Substance ID: 24852092
• Beilstein/REAXYS Number: 1730942
• MDL number: MFCD00008812

Properties

• vapor density: 3.1 (vs air)
• grade: puriss.
• assay: ≥99.5% (GC)
• autoignition temp.: 705 °F
• quality: dried over molecular sieve (H₂O ≤0.01%)
• expl. lim.: 15.1 %
• impurities: ≤0.01% water
• refractive index: n20/D 1.369
• bp: 55-56 °C (lit.)
• density: 0.74 g/mL at 25 °C (lit.)
• SMILES string: COC(C)(C)C
• InChI: 1S/C5H12O/c1-5(2,3)6-4/h1-4H3
• InChI key: BZLVMXJERCGZMT-UHFFFAOYSA-N

Description

Safety Information

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