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

Name: 3,4-Dihydro-2H-pyran, 99%+
Brand: Vaqora Chemicals
SKU: VQ-000804

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

Vaqora Chemicals supplies 3,4-Dihydro-2H-pyran, a synthetic reagent registered under CAS number 110-87-2 at a purity of ≥99%. Formula C5H8O, molecular weight 84.12 g/mol. Common synonyms include 3,4-Dihydropyran and 2,3-Dihydro-4H-pyran.

It is supplied as a colourless to yellow liquid. Literature values give a density of 0.922 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, reaction development and medicinal chemistry. Our customers for this product work in academic and industrial research.

Available in 100 mL, 500 mL and 180 kg packs, 3,4-Dihydro-2H-pyran is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	3,4-Dihydro-2H-pyran, 99%+
Catalogue No.	VQ-000804
CAS Number	110-87-2
IUPAC name	3,4-dihydro-2H-pyran
Molecular formula	C₅H₈O
Molecular weight	84.12 g/mol
Exact mass	84.0575
Purity / assay	≥99%
HSN code	29041090
InChIKey	BUDQDWGNQVEFAC-UHFFFAOYSA-N
SMILES	C1CC=COC1
PubChem CID	8080

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid
Density	0.922 g/mL at 25 °C
LogP (XLogP3)	0.7
H-bond donors / acceptors	0 / 1
TPSA	9.2 Å²
Synonyms	3,4-Dihydropyran, 2,3-Dihydro-4H-pyran, 2H-3,4-Dihydropyran, 5,6-Dihydro-4H-pyran, 2H-Pyran, 3,4-dihydro-, delta2-Dihydropyran, Pyran, dihydro-, Dihydro-2H-pyran, 2,3-Dihydropyran, 2H-Pyran, dihydro-, dihydropyrane, .delta.2-Dihydropyran

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P272, P280, P302 + P352, P303 + P361 + P353, P305 + P351 + P338, P321, P332 + P317, P333 + P317, P337 + 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 110-87-2

Reference Standard

Dihydropyran

CAS: 110-87-2
Formula: C₅H₈O
MW: 84.12 g/mol

VQ-010288

Frequently asked questions

What is the CAS number of 3,4-Dihydro-2H-pyran, 99%+?

The CAS Registry Number of 3,4-Dihydro-2H-pyran, 99%+ is 110-87-2. It is also known as 3,4-Dihydropyran, 2,3-Dihydro-4H-pyran, 2H-3,4-Dihydropyran.

What is the molecular formula and molecular weight of 3,4-Dihydro-2H-pyran, 99%+?

3,4-Dihydro-2H-pyran, 99%+ has the molecular formula C5H8O and a molecular weight of 84.12 g/mol. Its IUPAC name is 3,4-dihydro-2H-pyran.

Which grade and pack sizes of 3,4-Dihydro-2H-pyran, 99%+ can I order?

We supply 3,4-Dihydro-2H-pyran, 99%+ in (≥99%) grade, in 100 mL, 500 mL, 180 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,4-Dihydro-2H-pyran, 99%+?

Yes. Every lot of 3,4-Dihydro-2H-pyran, 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 3,4-Dihydro-2H-pyran, 99%+ be shipped internationally?

Yes. 3,4-Dihydro-2H-pyran, 99%+ is classified as hazardous, 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.