Dehydroacetic acid, ≥98%

Name: Dehydroacetic acid, ≥98%
Brand: Vaqora Chemicals
SKU: VQ-008734

About Dehydroacetic acid, ≥98%

Dehydroacetic acid (CAS 520-45-6) is an ester offered by Vaqora Chemicals with a typical assay of ≥98%. Formula C8H8O4, molecular weight 168.15 g/mol. Systematically, it is named 3-acetyl-6-methylpyran-2,4-dione. Alternative names: 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione and 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-.

In its supplied form it is a white to yellow powder. Reported physical data include a melting point of 111-113 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 25 g, 100 g, 500 g and 25 kg packs, Dehydroacetic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Dehydroacetic acid, ≥98%
Catalogue No.	VQ-008734
CAS Number	520-45-6
IUPAC name	3-acetyl-6-methylpyran-2,4-dione
Molecular formula	C₈H₈O₄
Molecular weight	168.15 g/mol
Exact mass	168.0423
Purity / assay	≥98%
HSN code	29420090
InChIKey	PGRHXDWITVMQBC-UHFFFAOYSA-N
SMILES	CC1=CC(=O)C(C(=O)O1)C(=O)C
PubChem CID	122903

Physical properties
Physical form	Powder
Appearance	White to yellow powder
Melting point	111-113 °C
LogP (XLogP3)	0.3
H-bond donors / acceptors	0 / 4
TPSA	60.4 Å²
Synonyms	2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone, 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-, Methylacetopyronone, Biocide 470F, Acetic acid, dehydro-, 3-Acetyl-6-methyl-2,4-pyrandione, 3-Acetyl-6-methyl-pyran-2,4-dione, 3-acetyl-6-methyl-3,4-dihydro-2H-pyran-2,4-dione, 3-Acetyl-6-methylpyrandione-2,4, 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, .delta.-lactone, 3-acetyl-6-methyl-2,4-dioxo-3H-pyran

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Dehydroacetic acid, ≥98%?

The CAS Registry Number of Dehydroacetic acid, ≥98% is 520-45-6. It is also known as 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone, 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-.

What is the molecular formula and molecular weight of Dehydroacetic acid, ≥98%?

Dehydroacetic acid, ≥98% has the molecular formula C8H8O4 and a molecular weight of 168.15 g/mol. Its IUPAC name is 3-acetyl-6-methylpyran-2,4-dione.

Which grade and pack sizes of Dehydroacetic acid, ≥98% can I order?

We supply Dehydroacetic acid, ≥98% in (≥98%) grade, in 25 g, 100 g, 500 g, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dehydroacetic acid, ≥98%?

Yes. Every lot of Dehydroacetic acid, ≥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 Dehydroacetic acid, ≥98% be shipped internationally?

Yes. Dehydroacetic acid, ≥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.