Molekula
tert-Butylmethylether
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
tert-Butylmethylether is a volatile organic solvent used in chemical synthesis and as a fuel additive. It is a colorless liquid with a characteristic odor, known for its low reactivity and high solubility in organic solvents. CAS: 1634-04-4, Molecular formula: (CH3)3COCH3, Molecular weight: 88.15 g/mol, Storage: Ambient, Signal word: Danger.
Molekula supplies tert-Butylmethylether in 1 L packs, from £51.36 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
1 L — £42.80 per pack ex VAT · £51.36 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Water | ≤100 mg/kg |
| Identification | FTIR: Conforms to Reference |
| Methanol | ≤0.01% |
| Ether | ≥99% |
| tert-Butanol | ≤0.025% |
| C8-hydrocarbons | ≤0.020% |
| arrears, DIN 53172 | ≤1.0mg/100ml |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | -28 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Liquid |
| Odour | Terpene-like odor |
| Melting Point | -108.6 °C |
| Boiling Point | 55.1 °C |
| Density | 0.7 (relative, water = 1) |
| Water Solubility | Soluble in water |
| Solubility (other solvents) | Very soluble in ethanol, ethyl ether |
| Vapour Pressure | 27 kPa at 20 °C |
| Refractive Index | 1.3664 |
| pKa | pKa = -3.70 |
| log P (octanol/water) | 0.94 |
Source: PubChem CID 15413 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90026318 |
| CAS Number | 1634-04-4 |
| IUPAC Name | 2-methoxy-2-methylpropane |
| EC Number | 216-653-1 |
| Molecular Formula | (CH3)3COCH3 |
| Molecular Weight | 88.15 |
| Exact Mass | 88.0888 |
| SMILES | CC(C)(C)OC |
| InChIKey | BZLVMXJERCGZMT-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H12O/c1-5(2,3)6-4/h1-4H3 |
| PubChem CID | 15413 |
| UN Number | UN2398 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29091918 |
| Tariff Code | 2909199090 |
Safety & GHS
-
Flammable
GHS02
-
Health Hazard
GHS07
Hazard statements
- H225 Highly flammable liquid and vapour
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H336 May cause drowsiness or dizziness
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P233 Keep container tightly closed
- P243 Take precautionary measures against static discharge
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 2-Methoxy-2-methylpropane
- 2-Methyl-2-methoxypropane
- Ether, tert-butyl methyl
- Methyl 1,1-dimethylethyl ether
- Methyl t-butyl ether
- Methyl tert-butyl ether
- Methyl tertiary-butyl ether
- MTBE
- Propane, 2-methoxy-2-methyl-
- T-BUTYL METHYL ETHER
Frequently asked questions
What is tert-Butylmethylether used for?
It is primarily used as a solvent in chemical synthesis and as a fuel additive to improve octane rating.
What is the chemical formula and molecular weight of tert-Butylmethylether?
The formula is (CH3)3COCH3 with a molecular weight of 88.15 g/mol.
How should tert-Butylmethylether be stored?
It should be stored at ambient temperature, away from heat and ignition sources, in a well-ventilated area.
What specification does Molekula's tert-Butylmethylether meet?
Molekula's tert-Butylmethylether is specified at an ether assay of at least 99%, with water at or below 100 mg/kg, methanol at or below 0.01%, tert-butanol at or below 0.025% and C8-hydrocarbons at or below 0.020%, and identity confirmed by FTIR.
Can Molekula supply tert-Butylmethylether in bulk?
Yes, Molekula can supply tert-Butylmethylether in bulk quantities upon request.
What documentation comes with a purchase of tert-Butylmethylether?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Where can I buy tert-Butylmethylether?
Directly from Molekula, which lists tert-Butylmethylether in 1 L packs from £51.36 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is tert-Butylmethylether dangerous goods for shipping?
Yes. tert-Butylmethylether ships as dangerous goods: UN2398, class 3, packing group II.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.