δ-Valerolactone, 98%

Name: δ-Valerolactone, 98%
Brand: Vaqora Chemicals
SKU: VQ-008963

About δ-Valerolactone, 98%

Listed under CAS 542-28-9, δ-Valerolactone is an ester available from Vaqora Chemicals, specified at 98% purity. Its molecular formula is C5H8O2 and its molecular weight is 100.12 g/mol. Systematically, it is named oxan-2-one. Common synonyms include Tetrahydro-2H-2-pyranone and delta-Valerolactone.

It is supplied as a colourless to yellow liquid. Key physical data: a melting point of −13 to −12 °C and a density of 1.079 g/mL at 25 °C. Recommended storage is at 2–8 °C, with the container kept tightly sealed. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and polymer and resin production. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

We offer δ-Valerolactone in 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Polymer & resin production

Industries

Specifications & identifiers

Chemical identifiers
Product name	δ-Valerolactone, 98%
Catalogue No.	VQ-008963
CAS Number	542-28-9
IUPAC name	oxan-2-one
Molecular formula	C₅H₈O₂
Molecular weight	100.12 g/mol
Exact mass	100.0524
Purity / assay	98%
HSN code	29420090
InChIKey	OZJPLYNZGCXSJM-UHFFFAOYSA-N
SMILES	C1CCOC(=O)C1
PubChem CID	10953

Physical properties
Physical form	Liquid
Appearance	Colourless to yellow liquid
Melting point	−13 to −12 °C
Density	1.079 g/mL at 25 °C
LogP (XLogP3)	-0.3
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Storage	2–8 °C
Synonyms	Tetrahydro-2H-2-pyranone, delta-Valerolactone, 5-Valerolactone, 2H-Pyran-2-one, tetrahydro-, tetrahydropyran-2-one, Tetrahydro-2-pyranone, delta-Valeryllactone, .delta.-Valerolactone, Valerolactone, 1-Oxacyclohexan-2-one, .delta.-Valeryllactone, tetrahydro-pyran-2-one

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements: P264 + P265, P280, P305 + P354 + P338, P317

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

Frequently asked questions

What is the CAS number of δ-Valerolactone, 98%?

The CAS Registry Number of δ-Valerolactone, 98% is 542-28-9. It is also known as Tetrahydro-2H-2-pyranone, delta-Valerolactone, 5-Valerolactone.

What is the molecular formula and molecular weight of δ-Valerolactone, 98%?

δ-Valerolactone, 98% has the molecular formula C5H8O2 and a molecular weight of 100.12 g/mol. Its IUPAC name is oxan-2-one.

Which grade and pack sizes of δ-Valerolactone, 98% can I order?

We supply δ-Valerolactone, 98% in (98%) grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with δ-Valerolactone, 98%?

Yes. Every lot of δ-Valerolactone, 98% 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 δ-Valerolactone, 98% be shipped internationally?

Yes. δ-Valerolactone, 98% 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.

How should δ-Valerolactone, 98% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.