3,4-Dihydro-2H-pyran, 99%

Description

CAS: 110-87-2 | C5H8O | 84.118 g/mol

Widely used hydroxyl-protecting reagent3,4-Dihydro-2H-pyran is used as a hydroxyl-protecting reagent in organic synthesis. It acts as an intermediate in synthetic chemistry. It is used to protect various reactive functional groups. It is involved in the polymerization reaction either alone or with unsaturated compound and finds application in polymer industries. Further, it is employed in the preparation of bicyclic compounds of epoxide-fused, halo compounds and allenic alcohols.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Widely used hydroxyl-protecting reagent3,4-Dihydro-2H-pyran is used as a hydroxyl-protecting reagent in organic synthesis. It acts as an intermediate in synthetic chemistry. It is used to protect various reactive functional groups. It is involved in the polymerization reaction either alone or with unsaturated compound and finds application in polymer industries. Further, it is employed in the preparation of bicyclic compounds of epoxide-fused, halo compounds and allenic alcohols.

Solubility
Miscible with water and chloroform.

Notes
Incompatible with oxidizing agents, strong acids and alcohols.

Specifications

Chemical Identifiers

• CAS: 110-87-2
• Molecular Formula: C5H8O
• Molecular Weight (g/mol): 84.118
• MDL Number: MFCD00006558
• InChI Key: BUDQDWGNQVEFAC-UHFFFAOYSA-N
• Synonym: dihydropyran, 3,4-dihydropyran, 2,3-dihydropyran, 2h-3,4-dihydropyran, 2,3-dihydro-4h-pyran, dihydro-2h-pyran, 2h-pyran, dihydro, 2h-pyran, 3,4-dihydro, 5,6-dihydro-4h-pyran, dihydropyrane
• PubChem CID: 8080
• IUPAC Name: 3,4-dihydro-2H-pyran
• SMILES: C1CC=COC1

• Melting Point: -70°C
• Density: 0.926
• pH: 7.0
• Boiling Point: 85°C to 86°C
• Flash Point: −15°C (5°F)
• Odor: Unpleasant
• Refractive Index: 1.442
• Quantity: 500 mL
• UN Number: UN2376
• Beilstein: 103493
• Solubility Information: Miscible with water and chloroform.
• Formula Weight: 84.12
• Percent Purity: 99%
• Chemical Name or Material: 3,4-Dihydro-2H-pyran

Safety and Handling

Hazard Category	H225-H315-H317-H319
Hazard Statement	GHS H Statement H225-H315-H319-H335 Highly flammable liquid and vapor. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P210-P233-P240-P241-P242-P243-P261-P264b-P272-P280-P303+P361+P353-P305+P351+P338-P333+P313-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: 2,3-DIHYDROPYRAN
EINECSNumber	203-810-4
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only