2,2-Dimethylvaleric acid
2,2-Dimethylvaleric acid (CAS: 1185-39-3), also known as Neoheptanoic acid, is a carboxylic acid with the linear formula CH3CH2CH2C(CH3)2COOH and a molecular weight of 130.18 g/mol. This compound serves as a valuable building block in organic synthesis, particularly within the realms of chemical manufacturing and research. Its specific structure lends itself to various chemical transformations, making it a useful intermediate for creating more complex molecules.
- IUPAC
- 2,2-Dimethylpentanoic acid,Neoheptanoic acid
- Synonyms
- 2,2-Dimethylpentanoic acidNeoheptanoic acid

Organic Synthesis Intermediate
2,2-Dimethylvaleric acid is employed as a key intermediate in the synthesis of diverse organic compounds. Its carboxylic acid functionality allows for standard derivatization reactions, contributing to the construction of fine chemicals and advanced materials.
Research and Development
This compound is utilised in research laboratories for exploring novel chemical pathways and developing new synthetic methodologies. Its availability supports R&D efforts in various scientific disciplines requiring specific organic building blocks.
Specialty Chemical Production
It serves as a precursor in the production of specialty chemicals where its unique branched alkyl chain structure is advantageous. This can include applications in the development of specific esters, amides, or other derivatives.
| Molecular weight | 130.18 |
|---|---|
| Linear formula | CH3CH2CH2C(CH3)2COOH |
| Assay | ≥97.0% |
| Density | 0.918 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.422 |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,2-Dimethylvaleric acid used for?
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2,2-Dimethylvaleric acid is primarily used as a building block and intermediate in organic synthesis and research and development for creating more complex molecules and exploring novel chemical pathways.
What are the CAS number and molecular formula for 2,2-Dimethylvaleric acid?
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The CAS number for 2,2-Dimethylvaleric acid is 1185-39-3, and its linear molecular formula is CH3CH2CH2C(CH3)2COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2-Dimethylvaleric acid with an assay of ≥97.0%. We do not represent this product as USP, BP, or EP grade.
How should 2,2-Dimethylvaleric acid be handled safely?
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2,2-Dimethylvaleric acid is classified as corrosive (Danger, H314). Handling requires appropriate personal protective equipment, including face shields, full-face respirators or type ABEK respirator filters, gloves, and goggles. Ensure good ventilation and avoid contact with skin and eyes.
Is 2,2-Dimethylvaleric acid a controlled substance?
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The provided data does not indicate that 2,2-Dimethylvaleric acid is a controlled substance.
How is 2,2-Dimethylvaleric acid packed and exported?
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Tech Serve Solutions packs and exports chemicals according to international shipping regulations, ensuring safe transit. Specific packaging details can be provided upon request.
How can I request a sample or quote for 2,2-Dimethylvaleric acid?
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To request a sample or quote for 2,2-Dimethylvaleric acid, please contact our sales team through the website or via the provided contact information, specifying your requirements.
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