Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 216-653-1 | CAS number: 1634-04-4
Substance identity
Identification
- Display Name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers open all close all
Compositions
Boundary Composition(s) open all close all
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Legal Entity Composition(s) open all close all
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- other: Liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity
| Impurity |
- State Form:
- liquid
- Degree of purity:
- >= 93 - <= 94 % (w/w)
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity 1
- Reference substance name:
- Methanol
- EC Number:
- 200-659-6
- EC Name:
- Methanol
- CAS Number:
- 67-56-1
- Molecular formula:
- CH4O
- IUPAC Name:
- methanol
Impurity 2
- Reference substance name:
- 2-methylpropene
- EC Number:
- 204-066-3
- EC Name:
- 2-methylpropene
- CAS Number:
- 115-11-7
- Molecular formula:
- C4H8
- IUPAC Name:
- 2-methylprop-1-ene
Impurity 3
- Reference substance name:
- Butane
- EC Number:
- 203-448-7
- EC Name:
- Butane
- CAS Number:
- 106-97-8
- Molecular formula:
- C4H10
- IUPAC Name:
- butane
Impurity 4
- Reference substance name:
- 2-butene
- EC Number:
- 203-452-9
- EC Name:
- 2-butene
- CAS Number:
- 107-01-7
- Molecular formula:
- C4H8
- IUPAC Name:
- but-2-ene
Impurity 5
- Reference substance name:
- But-1-ene
- EC Number:
- 203-449-2
- EC Name:
- But-1-ene
- CAS Number:
- 106-98-9
- Molecular formula:
- C4H8
- IUPAC Name:
- but-1-ene
Impurity 6
- Reference substance name:
- 3-methylbut-1-ene
- EC Number:
- 209-249-1
- EC Name:
- 3-methylbut-1-ene
- CAS Number:
- 563-45-1
- Molecular formula:
- C5H10
- IUPAC Name:
- 3-methylbut-1-ene
Impurity 7
- Reference substance name:
- 2-methylbutane
- EC Number:
- 201-142-8
- EC Name:
- 2-methylbutane
- CAS Number:
- 78-78-4
- Molecular formula:
- C5H12
- IUPAC Name:
- isopentane
Impurity 8
- Reference substance name:
- 2-methylpropan-2-ol
- EC Number:
- 200-889-7
- EC Name:
- 2-methylpropan-2-ol
- CAS Number:
- 75-65-0
- Molecular formula:
- C4H10O
- IUPAC Name:
- 2-methylpropan-2-ol
Impurity 9
- Reference substance name:
- Unknown impurities
- IUPAC Name:
- Unknown impurities
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
- State Form:
- liquid
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity
| Impurity |
- State Form:
- gas
- Degree of purity:
- >= 95 - < 100 % (w/w)
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity 1
- Reference substance name:
- 2-methylpropan-2-ol
- EC Number:
- 200-889-7
- EC Name:
- 2-methylpropan-2-ol
- CAS Number:
- 75-65-0
- Molecular formula:
- C4H10O
- IUPAC Name:
- 2-methylpropan-2-ol
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 2
- Reference substance name:
- Methanol
- EC Number:
- 200-659-6
- EC Name:
- Methanol
- CAS Number:
- 67-56-1
- Molecular formula:
- CH4O
- IUPAC Name:
- methanol
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity
| Impurity |
- Degree of purity:
- >= 98.9 % (w/w)
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity 1
- Reference substance name:
- Methanol
- EC Number:
- 200-659-6
- EC Name:
- Methanol
- CAS Number:
- 67-56-1
- Molecular formula:
- CH4O
- IUPAC Name:
- methanol
Impurity 2
- Reference substance name:
- Butene
- EC Number:
- 246-689-3
- EC Name:
- Butene
- CAS Number:
- 25167-67-3
- Molecular formula:
- C4H8
Impurity 3
- Reference substance name:
- 2-methylpropan-2-ol
- EC Number:
- 200-889-7
- EC Name:
- 2-methylpropan-2-ol
- CAS Number:
- 75-65-0
- Molecular formula:
- C4H10O
- IUPAC Name:
- 2-methylpropan-2-ol
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity
| Impurity |
- Degree of purity:
- >= 95 % (w/w)
Constituent 1
- Reference substance name:
- tert-butyl methyl ether
- EC Number:
- 216-653-1
- EC Name:
- tert-butyl methyl ether
- CAS Number:
- 1634-04-4
- Molecular formula:
- C5H12O
- IUPAC Name:
- 2-methoxy-2-methylpropane
Impurity 1
- Reference substance name:
- 2-methylpropan-2-ol
- EC Number:
- 200-889-7
- EC Name:
- 2-methylpropan-2-ol
- CAS Number:
- 75-65-0
- Molecular formula:
- C4H10O
- IUPAC Name:
- 2-methylpropan-2-ol
Composition(s) generated upon use
Other types of composition(s)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
