3,4-Dihydro-2-ethoxy-2H-pyran

CAS 103-75-3C7H12O2Chemical Synthesis

3,4-Dihydro-2-ethoxy-2H-pyran (CAS: 103-75-3) is an organic compound with the molecular formula C7H12O2 and a molecular weight of 128.17 g/mol. This pyran derivative serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its defined properties and reliable assay make it suitable for various research and development applications requiring precise molecular structures.

Synonyms: C7H12O2

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3,4-Dihydro-2-ethoxy-2H-pyran (C7H12O2) — chemical structure, CAS 103-75-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisHeterocyclic Building BlocksPyrans

01 /Applications

Heterocyclic Synthesis

Utilised as a key intermediate in the construction of more complex heterocyclic ring systems. Its reactive sites allow for diverse chemical transformations, contributing to the development of novel compounds.

Organic Synthesis Reagent

Functions as a versatile reagent in organic chemistry laboratories for introducing specific functional groups or structural motifs. It is valuable for creating protected forms of carbonyl compounds or related derivatives.

Research and Development

Employed in academic and industrial R&D settings for exploratory synthesis and methodology development. Its consistent quality supports reproducible experimental outcomes.

02 /Properties

Molecular weight	128.17
Empirical formula	C7H12O2
Assay	98%
Boiling point	42 °C/16 mmHg(lit.)
Density	0.957 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.439(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements

P305IF IN EYES

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	24 °C / 75.2 °F
Transport (UN / ADR)	UN 3271 3 / PGIII
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xi
Risk statements (R)	10-36/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

103-75-3

MDL number

MFCD00006561

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 3,4-Dihydro-2-ethoxy-2H-pyran used for?

3,4-Dihydro-2-ethoxy-2H-pyran (CAS: 103-75-3) is primarily used as a building block in organic and heterocyclic synthesis, and in research and development applications.

What is the CAS number and molecular formula for 3,4-Dihydro-2-ethoxy-2H-pyran?

The CAS number is 103-75-3, and the molecular formula is C7H12O2.

What grade and purity does Tech Serve Solutions supply for 3,4-Dihydro-2-ethoxy-2H-pyran?

Tech Serve Solutions supplies 3,4-Dihydro-2-ethoxy-2H-pyran with an assay of 98%. We do not represent this product as USP, BP, or EP grade.

How should 3,4-Dihydro-2-ethoxy-2H-pyran be handled?

3,4-Dihydro-2-ethoxy-2H-pyran is a flammable liquid and vapour (H226) and causes skin (H315) and serious eye irritation (H319). Handle with appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves. Ensure adequate ventilation and keep away from heat, sparks, and open flames.

Is 3,4-Dihydro-2-ethoxy-2H-pyran packed, shipped, and exported by TSS?

Yes, Tech Serve Solutions, a specialist global supplier and exporter, offers 3,4-Dihydro-2-ethoxy-2H-pyran for domestic and international distribution.