2,2-Dimethyl-1,3-dioxane-4,6-dione
[CAS# 2033-24-1]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty ketone (including enol)
• Name: 2,2-Dimethyl-1,3-dioxane-4,6-dione
• Synonyms: Malonic acid cyclic isopropylidene ester; Meldrum's acid
• Molecular Formula: C₆H₈O₄
• Molecular Weight: 144.13
• CAS Registry Number: 2033-24-1
• EC Number: 217-992-8

Properties

• Melting point: 92-96 ºC
• Water solubility: 2.5 g/100 mL (20 ºC)

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S24/25;S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319