Dimedone, GR 99%+

Name: Dimedone, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-008114

About Dimedone, GR 99%+

Dimedone (CAS 126-81-8) is a carbonyl building block offered by Vaqora Chemicals (AR grade) at a purity of 99%. Its molecular formula is C8H12O2 and its molecular weight is 140.18 g/mol. Its systematic (IUPAC) name is 5,5-dimethylcyclohexane-1,3-dione. Alternative names: Cyclomethone and 5,5-dimethyl-1,3-cyclohexanedione.

It is supplied as white to yellowish powder or crystalline powder or chunks. Literature values give a melting point of 146-148 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis, condensation and reductive amination, API intermediates and catalysis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 25 g, 100 g, 1 kg and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates
Catalysis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dimedone, GR 99%+
Catalogue No.	VQ-008114
CAS Number	126-81-8
IUPAC name	5,5-dimethylcyclohexane-1,3-dione
Molecular formula	C₈H₁₂O₂
Molecular weight	140.18 g/mol
Exact mass	140.0837
Grade	AR
Purity / assay	99%
HSN code	29142990
InChIKey	BADXJIPKFRBFOT-UHFFFAOYSA-N
SMILES	CC1(CC(=O)CC(=O)C1)C
PubChem CID	31358

Physical properties
Physical form	Powder
Appearance	White to yellowish powder or crystalline powder or chunks
Melting point	146-148 °C
LogP (XLogP3)	0.8
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	Cyclomethone, 5,5-dimethyl-1,3-cyclohexanedione, Dimethyldihydroresorcinol, Methone, 1,3-Cyclohexanedione, 5,5-dimethyl-, 1,1-Dimethyl-3,5-diketocyclohexane, 1,1-Dimethyl-3,5-cyclohexanedione, LU 274, 5,5-Dimethyldihydroresorcinol, 5,5-Dimethylhydroresorcinol, 5,5-dimethyl-cyclohexane-1,3-dione, 5,3-dione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 Dimedone, GR 99%+?

The CAS Registry Number of Dimedone, GR 99%+ is 126-81-8. It is also known as Cyclomethone, 5,5-dimethyl-1,3-cyclohexanedione, Dimethyldihydroresorcinol.

What is the molecular formula and molecular weight of Dimedone, GR 99%+?

Dimedone, GR 99%+ has the molecular formula C8H12O2 and a molecular weight of 140.18 g/mol. Its IUPAC name is 5,5-dimethylcyclohexane-1,3-dione.

Which grade and pack sizes of Dimedone, GR 99%+ can I order?

We supply Dimedone, GR 99%+ in AR (99%) grade, in 25 g, 100 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dimedone, GR 99%+?

Yes. Every lot of Dimedone, GR 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 Dimedone, GR 99%+ be shipped internationally?

Yes. Dimedone, GR 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.