3,3-Dimethylglutaric Acid TCI D1322

Chemical Identity

Other names: 3,3-Dimethylpentanedioic Acid
CAS No.: 4839-46-7
PubChem: CID 20984·SID 87567842
Formula: C7H12O4
Molecular weight: 160.17 g/mol
Purity: >98.0%(T)
Reference databases: ChEBI·ChemSpider·ECHA

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 3,3-dimethylpentanedioic acid
SMILES: CC(C)(CC(=O)O)CC(=O)O
InChIKey: DUHQIGLHYXLKAE-UHFFFAOYSA-N
MDL: MDL00002716

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3,3-Dimethylglutaric Acid is an aliphatic dicarboxylic acid derived from glutaric acid, carrying two methyl groups on the central carbon atom (position 3). This gem-dimethyl structure makes it a versatile non-heterocyclic building block in synthetic laboratories. Both carboxylic acid groups can be converted into esters, amides, cyclic anhydrides, or imides. Because of this, chemists often use the compound as a starting material for building rings, linker chains, and polymer monomers in organic and materials research.

The main appeal of this material is the gem-dimethyl effect: two methyl substituents on a single carbon tend to promote cyclization and influence chain conformation. As a result, six-membered anhydrides or imides form from this acid relatively easily. The central carbon has no hydrogen atoms, which also makes that position resistant to certain side reactions. The material is a solid, so it is easy to weigh and store, and its two acid groups allow symmetrical, controlled reactions. Together these properties make it a dependable choice for multi-step synthesis.

In Indonesia, organic chemistry, polymer chemistry, and materials chemistry laboratories at universities and in industry use this material. Typical work includes synthesizing imide derivatives, developing polymers, and preparing linkers for further functionalization. Research groups working on thesis projects, synthetic method development, or new materials can rely on it as a well-defined starting compound. AMI Scientific supplies the TCI-branded product so local laboratories can get a consistent, recognized reagent for their synthesis programs.

Related TCI products

Cyclic anhydride synthesis: the gem-dimethyl effect favors ring closure, so the six-membered anhydride forms from this diacid relatively easily under standard dehydrating conditions.
Imide derivative preparation: both carboxylic acid groups can react with amines to form six-membered imides, which are useful intermediates in organic and medicinal chemistry research.
Linker and spacer design: the symmetrical dicarboxylic acid structure provides two reactive ends, so researchers can build controlled linker chains between functional molecules.
Polymer monomer development: as a diacid, it can be converted into esters or amides for condensation polymers, and its gem-dimethyl unit influences chain conformation.
Ester and amide building block synthesis: the quaternary central carbon resists certain side reactions, which helps keep transformations at the carboxylic acid groups clean and predictable.

Brand	TCI (product code D1322)
CAS number	4839-46-7
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	available in the standard TCI pack sizes; please confirm options with our team
Physical form	solid
Storage	keep the container tightly closed in a cool, dry place, following the TCI label and Safety Data Sheet

Store 3,3-Dimethylglutaric Acid in its original, tightly sealed container in a cool, dry, well-ventilated area, away from moisture, direct sunlight, and incompatible materials such as strong bases and strong oxidizing agents. Glass or chemically resistant plastic containers with secure caps are suitable once opened. Because it is a carboxylic acid, avoid contact with skin and eyes and avoid inhaling dust. Wear safety glasses, gloves, and a lab coat when weighing or transferring the solid, and work in a fume hood or ventilated area when possible. Label all secondary containers clearly. Always consult the TCI Safety Data Sheet for specific hazard, first-aid, and disposal information before use.

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