tert-Butyl methyl ether (CAS 1634-04-4)

Chinese name: 甲基叔丁基醚

tert-Butyl methyl ether is registered under CAS 1634-04-4. Molecular formula: C5H12O. Approximate molecular weight: 88.148. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

Open in CAS Lookup · MW Calculator · RFQ Template · Request quote

Physical & identity data

CAS Number	1634-04-4
English name	tert-Butyl methyl ether
Chinese name	甲基叔丁基醚
Molecular formula	C5H12O
Molecular weight	88.148
Melting point	-110℃
Boiling point	54-56℃
Density	0.7404
Flash point	-28℃
Refractive index	1.3675-1.3695
Water solubility	51G/L(20℃)
Vapor pressure	251mmHgat25°C
HS code (ref.)	2909199090

Applications (reference)

用于汽油添加剂，代替无铅汽油;主要用作汽油添加剂，提高辛烷值，亦可裂解制得异丁烯;该品主要用作汽油添加剂，具有优良的抗爆性。它与汽油的混溶性好，吸水少，对环境无污染。MTBE能改善汽油的..

Related products at SKYSEVEN Chemical

• methyl tert-butyl ether

Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 1634-04-4?

tert-Butyl methyl ether is identified by CAS Registry Number 1634-04-4. Molecular formula: C5H12O. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy tert-Butyl methyl ether?

Request a quote on cnchemshop.com. SKYSEVEN Chemical supplies industrial grades with COA/SDS on request for export orders.

How do I verify CAS 1634-04-4 data?

Cross-check PubChem / NIST / CAS Common Chemistry, and use our free CAS lookup tool. Always match CAS on COA and invoice.

Data is for informational reference only. Verify lot-specific values with COA/SDS. Not for medical advice.