3-Hydroxy-2-pyrone, 97%

Name: 3-Hydroxy-2-pyrone, 97%
Brand: Vaqora Chemicals
SKU: VQ-012389

About 3-Hydroxy-2-pyrone, 97%

Vaqora Chemicals supplies 3-Hydroxy-2-pyrone, an oxygen heterocycle registered under CAS number 496-64-0 with a typical assay of 97%. The compound has the formula C5H4O3, corresponding to a molecular weight of 112.08 g/mol. Systematically, it is named 3-hydroxypyran-2-one. Common synonyms include 3-hydroxy-2H-pyran-2-one and 3-Hydroxypyrone.

The material typically appears as a light beige to beige solid. Keep the material at 2–8 °C and protect it from moisture. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 100 mg and 250 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-Hydroxy-2-pyrone, 97%
Catalogue No.	VQ-012389
CAS Number	496-64-0
IUPAC name	3-hydroxypyran-2-one
Molecular formula	C₅H₄O₃
Molecular weight	112.08 g/mol
Exact mass	112.016
Purity / assay	97%
HSN code	29241900
InChIKey	LIPRKYKMVQPYPG-UHFFFAOYSA-N
SMILES	C1=COC(=O)C(=C1)O
PubChem CID	68130

Physical properties
Physical form	Solid
Appearance	Light beige to beige solid
Solubility	Chloroform, Methanol (Slightly)
LogP (XLogP3)	0.6
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Storage	2–8 °C
Synonyms	3-hydroxy-2H-pyran-2-one, 3-Hydroxypyrone, 2H-pyran-2-one, 3-hydroxy-, 2H-Pyran-4-one, 3-hydroxy-, 3-hydroxy-2-pyranone, Hydroxycoumalin, 3-Hydroxy-a-pyrone, hydroxypyrone, Isopyromucic acid, 3-hydroxypyran-2-one, 3-Hydroxy-2H-Pyran-4-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H316Causes mild skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264 + P265, P271, P280, P304 + P340, P305 + P351 + P338, P319, P332 + P317, P337 + P317, P403 + P233, P405, 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

Frequently asked questions

What is the CAS number of 3-Hydroxy-2-pyrone, 97%?

The CAS Registry Number of 3-Hydroxy-2-pyrone, 97% is 496-64-0. It is also known as 3-hydroxy-2H-pyran-2-one, 3-Hydroxypyrone, 2H-pyran-2-one, 3-hydroxy-.

What is the molecular formula and molecular weight of 3-Hydroxy-2-pyrone, 97%?

3-Hydroxy-2-pyrone, 97% has the molecular formula C5H4O3 and a molecular weight of 112.08 g/mol. Its IUPAC name is 3-hydroxypyran-2-one.

Which grade and pack sizes of 3-Hydroxy-2-pyrone, 97% can I order?

We supply 3-Hydroxy-2-pyrone, 97% in (97%) grade, in 10 mg, 25 mg, 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Hydroxy-2-pyrone, 97%?

Yes. Every lot of 3-Hydroxy-2-pyrone, 97% 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-Hydroxy-2-pyrone, 97% be shipped internationally?

Yes. 3-Hydroxy-2-pyrone, 97% 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 3-Hydroxy-2-pyrone, 97% be stored?

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