Methyl tert-butyl ether, 99%

Name: Methyl tert-butyl ether, 99%
Brand: Vaqora Chemicals
SKU: VQ-001923

About Methyl tert-butyl ether, 99%

Methyl tert-butyl ether is a laboratory solvent in Synthesis grade carrying the CAS registry number 1634-04-4 with a typical assay of 99%. Its molecular formula is C5H12O and its molecular weight is 88.15 g/mol. Systematically, it is named 2-methoxy-2-methylpropane. Alternative names: tert-Butyl methyl ether and Methyl t-butyl ether.

It is supplied as a liquid. Key physical data: a boiling point of 55-56 °C and a density of 0.74 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include reaction medium, extraction and work-up and cleaning and rinsing. It is used across academic and industrial research and pharmaceutical manufacturing.

Standard pack sizes are 500 mL, 1 L, 5 L and 150 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Reaction medium
Extraction & work-up
Cleaning & rinsing

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl tert-butyl ether, 99%
Catalogue No.	VQ-001923
CAS Number	1634-04-4
IUPAC name	2-methoxy-2-methylpropane
Molecular formula	C₅H₁₂O
Molecular weight	88.15 g/mol
Exact mass	88.0888
Grade	Synthesis
Purity / assay	99%
HSN code	29093090
InChIKey	BZLVMXJERCGZMT-UHFFFAOYSA-N
SMILES	CC(C)(C)OC
PubChem CID	15413

Physical properties
Physical form	Liquid
Appearance	Liquid
Boiling point	55-56 °C
Density	0.74 g/mL at 25 °C
LogP (XLogP3)	0.9
H-bond donors / acceptors	0 / 1
TPSA	9.2 Å²
UN number	UN 2398
Synonyms	tert-Butyl methyl ether, Methyl t-butyl ether, Propane, 2-methoxy-2-methyl-, 2-Methyl-2-methoxypropane, Methyl tertiary-butyl ether, Ether, tert-butyl methyl, Methyl 1,1-dimethylethyl ether, 1,1-dimethylethyl methyl ether, methyl tert-butyl ether (mtbe), 2-methoxy-2-methyl propane, Methyl-tert-butyl ether, Methyl-t-butyl ether

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H315Causes skin irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P264, P280, P302 + P352, P303 + P361 + P353, P321, P332 + P317, P362 + P364, P370 + P378, P403 + P235, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1634-04-4

HPLC

Methyl tert-butyl ether, for HPLC, 99.7%

CAS: 1634-04-4
Formula: C₅H₁₂O
MW: 88.15 g/mol

VQ-001737

Synthesis

tert-Butyl methyl ether, 99%

CAS: 1634-04-4
Formula: C₅H₁₂O
MW: 88.15 g/mol

VQ-001934

GC

tert-Butyl methyl ether, for GC 99.9%

CAS: 1634-04-4
Formula: C₅H₁₂O
MW: 88.15 g/mol

VQ-045607

HPLC

tert-Butyl methyl ether, for HPLC 99.5%

CAS: 1634-04-4
Formula: C₅H₁₂O
MW: 88.15 g/mol

VQ-001751

AR

tert-Butyl methyl ether, GR 99.5%

CAS: 1634-04-4
Formula: C₅H₁₂O
MW: 88.15 g/mol

VQ-001827

Frequently asked questions

What is the CAS number of Methyl tert-butyl ether, 99%?

The CAS Registry Number of Methyl tert-butyl ether, 99% is 1634-04-4. It is also known as tert-Butyl methyl ether, Methyl t-butyl ether, Propane, 2-methoxy-2-methyl-.

What is the molecular formula and molecular weight of Methyl tert-butyl ether, 99%?

Methyl tert-butyl ether, 99% has the molecular formula C5H12O and a molecular weight of 88.15 g/mol. Its IUPAC name is 2-methoxy-2-methylpropane.

Which grade and pack sizes of Methyl tert-butyl ether, 99% can I order?

We supply Methyl tert-butyl ether, 99% in Synthesis (99%) grade, in 500 mL, 1 L, 5 L, 150 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl tert-butyl ether, 99%?

Yes. Every lot of Methyl tert-butyl ether, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methyl tert-butyl ether, 99% be shipped internationally?

Yes. Methyl tert-butyl ether, 99% is classified as hazardous (UN 2398), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.