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ChemicalBook >>2,2-Dimethyl-1,3-dioxane-4,6-dione>>2,2-Dimethyl-1,3-dioxane-4,6-dione(2033-24-1)

2,2-Dimethyl-1,3-dioxane-4,6-dione(2033-24-1)

2,2-Dimethyl-1,3-dioxane-4,6-dione(2033-24-1)
Product IdentificationBack to Contents
【Product Name】

2,2-Dimethyl-1,3-dioxane-4,6-dione
【Synonyms】

2,2-Dimethyl-1,3-dioxane-4,6-dione
2,2-Dimethyl-4,6-dioxo-m-dioxane
2,2-Dimethyl-m-dioxane-4,6-dione
Cyclic isopropylidene malonate
Isopropylidene malonate
Meldrumic acid
【CAS】

2033-24-1
【Formula】

C6H8O4
【Molecular Weight】

144.12
【EINECS】

217-992-8
【RTECS】

JH0800000
【RTECS Class】

Other
【Merck】

13,5839
【Beilstein/Gmelin】

117310
【Beilstein Reference】

5-19-05-00008
Physical and Chemical PropertiesBack to Contents
【Appearance】

Brown white solid.
【Solubility in water】

Very soluble
【Melting Point】

96
【Boiling Point】

305
【Density】

1.382 g/cm3
【pKa/pKb】

11.85 (pKa)
【Partition Coefficient】

.58
First Aid MeasuresBack to Contents
【Ingestion】

Get medical aid. Wash mouth out with water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a dry area. Keep under a nitrogen blanket. Refrigerator (approx 4 C).
【Handling】

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Hazards IdentificationBack to Contents
【Ingestion】

The toxicological properties of this substance have not been fully investigated.
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

May cause eye irritation.
【EC Risk Phrase】

R 36/38
【EC Safety Phrase】

S 26 36
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
【Respirators】

A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container.
Stability and ReactivityBack to Contents
【Stability】

No data.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, carbon dioxide.
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