3,4-dihydro-2-ethoxy-2H-pyran (CAS 103-75-3)

Chinese name: 2-乙氧基-3,4-二氢吡喃

3,4-dihydro-2-ethoxy-2H-pyran is registered under CAS 103-75-3. Molecular formula: C7H12O2. Approximate molecular weight: 128.16900. SKYSEVEN Chemical provides industrial chemical sourcing support and free CAS tools for global B2B buyers.

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Physical & identity data

CAS Number	103-75-3
English name	3,4-dihydro-2-ethoxy-2H-pyran
Chinese name	2-乙氧基-3,4-二氢吡喃
Molecular formula	C7H12O2
Molecular weight	128.16900
Melting point	-100℃
Boiling point	42?°C16?mmHg(lit.)
Density	0.957?g/mL?at25?°C(lit.)
Flash point	76?°F
Refractive index	n20/D1.439(lit.)
Vapor pressure	0.811mmHgat25°C
HS code (ref.)	2932999099

Applications (reference)

用于有机合成

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Authority references

• PubChem
• NIST Chemistry WebBook
• CAS Common Chemistry

FAQ

What is CAS 103-75-3?

3,4-dihydro-2-ethoxy-2H-pyran is identified by CAS Registry Number 103-75-3. Molecular formula: C7H12O2. SKYSEVEN Chemical provides industrial chemical supply and free CAS lookup tools.

Where can I buy 3,4-dihydro-2-ethoxy-2H-pyran?

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

How do I verify CAS 103-75-3 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.