2,2-Dimethyl-1,3-dioxane-4,6-dione (Meldrum's Acid)

CAS Number: 2033-24-1

Molecular Formula: C₆H₈O₄

Purity: Typically ≥98%

Heterocyclic Compound

About 2,2-Dimethyl-1,3-dioxane-4,6-dione (Meldrum's Acid)

Meldrum's Acid is a versatile organic compound widely used in chemical synthesis and the pharmaceutical industries. Known for its ability to stabilize carbanions, it serves as a critical building block in the synthesis of heterocyclic compounds and other organic intermediates. Its unique structure and reactivity make i...

2,2-Dimethyl-1,3-dioxane-4,6-dione (Meldrum's Acid) Specifications

CAS Number

2033-24-1

Molecular Formula

C₆H₈O₄

Molecular Weight

144.13 g/mol

IUPAC Name

2,2-Dimethyl-1,3-dioxane-4,6-dione

Canonical SMILES

CC1(C)OC(=O)CC(=O)O1

InChI Key

GXHFUVWIGNLZSC-UHFFFAOYSA-N

InChI

1S/C6H8O4/c1-6(2)9-4(7)3-5(8)10-6/h3H2,1-2H3

PubChem CID

16249

EINECS Number

218-014-2

FEMA Number

Fema for f&f only

MDL Number

MFCD00006579

UNSPSC Code

12352100

eClass

32029090

NACRES

NA.22

HSN No

29183090

CAS Number

2033-24-1

Molecular Formula

C₆H₈O₄

Molecular Weight

144.13 g/mol

IUPAC Name

2,2-Dimethyl-1,3-dioxane-4,6-dione

Canonical SMILES

CC1(C)OC(=O)CC(=O)O1

InChI Key

GXHFUVWIGNLZSC-UHFFFAOYSA-N

InChI

1S/C6H8O4/c1-6(2)9-4(7)3-5(8)10-6/h3H2,1-2H3

PubChem CID

16249

EINECS Number

218-014-2

FEMA Number

Fema for f&f only

MDL Number

MFCD00006579

UNSPSC Code

12352100

eClass

32029090

NACRES

NA.22

HSN No

29183090

Molecular Weight

144.13 g/mol

Melting Point

94–95°C (decomposes)

Boiling Point

Decomposes upon heating

Density

1.1311 g/cm³ (approximate)

Purity

Typically ≥98%

Form

Solid (powder or crystalline)

Color

White to light yellow

Odor

Odorless

pKa

4.97

Shelf Life

2–3 years

Hazard Statements

H315: Causes skin irritation H319: Causes serious eye irritation

Precautionary Statements

P264: Wash hands thoroughly after handling P280: Wear protective gloves/protective clothing/eye protection/face protection P302 + P352: IF ON SKIN: Wash with plenty of soap and water P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.

First Aid and Emergency Measures

Inhalation: Move person to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Obtain medical aid. Skin Contact: Immediately flush skin with running water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Obtain medical aid immediately. Eye Contact: Immediately flush open eyes with running water for at least 15 minutes. Obtain medical aid. Ingestion: Do not induce vomiting. Rinse mouth with water. Seek medical attention immediately.

GHS Classification

Skin irritation (Category 2) Eye irritation (Category 2A)