C5H12O
88.15 g/mol
Industrial ChemicalDanger
Tert-Butyl methyl ether
CAS1634-04-4EC216-653-1
Category
Industrial Chemical
Compound Class
Other
Primary Use
Gasoline octane booster and fuel additive
Methyl tert-butyl ether (MTBE) is a volatile, flammable, colorless liquid that is sparingly soluble in water. It is primarily used as a fuel additive to increase the octane rating of gasoline and reduce tailpipe emissions.
Gasoline octane boosterFuel additive to reduce tailpipe emissions
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Magnesium 3-hydroxybutyrate
CAS163452-00-4
magnesium salt of 3-hydroxybutyric acid
ReferenceSame Category
Ethanol, 2-(propylamino)-
CAS16369-21-4
chemical intermediate for amine synthesis
ReferenceSame Category
Methyl perfluoroisobutyl ether
CAS163702-08-7
Cleaning solvent and specialty fluid
ReferenceSame Category
3,3',5,5'-tetrabromobiphenyl
CAS16400-50-3
flame retardant intermediate
Safety Reference
Danger
H225Highly flammable liquid and vapour
H315Causes skin irritation
H320Causes eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H303May be harmful if swallowed
H304May be fatal if swallowed and enters airways
H351Suspected of causing cancer
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Tert-Butyl methyl ether (CAS 1634-04-4) is 2909.19.
HS code (international, 6-digit)
2909.19
EU CN code (8-digit)
2909 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-methoxy-2-methylpropane
InChIKey
BZLVMXJERCGZMT-UHFFFAOYSA-N
SMILES
CC(C)(C)OC
Synonyms (46)
- MTBE
- tert-Butyl methyl ether, United States Pharmacopeia (USP)
- 2-Methoxy-2-methylpropane
- 2-Methyl-2-methoxypropane
- Driveron
- Ether, tert-butyl methyl
- Methyl t-butyl ether
- Methyl tert-butyl ether
- Methyl tertiary-butyl ether
- Propane, 2-methoxy-2-methyl-
- T-BUTYL METHYL ETHER
- TERT-BUTOXYMETHANE
- methy tert-butyl ether
- methyl ter-butyl ether
- methylterbutyloxide
- metyl tert-butyl ether
- t-butyl methyi ether
- tBME
- tBuOMe
- ter-butyl methyl ether
- tert-BuOMe
- tert-Butyl methyl ether
- tert-Butyl methyl ether, p.a.
- tert-buty methyl ether
- tert-butylmethyether
- tert-buyl methyl ether
- tertiary butylmethyl ether
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