3,3′-Dichloropivalic acid
3,3′-Dichloropivalic acid (CAS: 67329-11-7) is a carboxylic acid building block with the linear formula CH₃C(CH₂Cl)₂CO₂H and a molecular weight of 171.02 g/mol. This compound serves as a valuable intermediate in organic synthesis. It is primarily used in chemical research and the preparation of more complex molecules, demonstrating its utility in the field of fine chemicals and pharmaceutical intermediate development. TSS supplies this chemical with a high purity of 99%.
- IUPAC
- 2,2-Bis(chloromethyl)propionic acid
- Synonyms
- 2,2-Bis(chloromethyl)propionic acid

Organic Synthesis Intermediate
3,3′-Dichloropivalic acid functions as a key building block in the synthesis of various organic compounds. Its structure allows for further chemical modifications, making it useful in the development of novel materials and pharmaceutical intermediates.
Preparation of Acid Chlorides
This compound has been used for the synthesis of its corresponding acid chloride, 3,3′-dichloropivaloyl chloride. This transformation is a common step in activating carboxylic acids for subsequent reactions, such as esterification or amidation.
Research and Development
As a fine chemical, 3,3′-Dichloropivalic acid is employed in laboratory research settings. It aids chemists in exploring new reaction pathways and developing new chemical entities across diverse scientific disciplines.
| Molecular weight | 171.02 |
|---|---|
| Linear formula | CH3C(CH2Cl)2CO2H |
| Assay | 99% |
| Application | 3,3′-Dichloropivalic acid was used in the synthesis of 3,3′-dichloropivaloyl chloride1. |
| Melting point | 64-66 °C(lit.) |

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 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-28-36/37/39-45 |
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 3,3′-Dichloropivalic acid used for?
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3,3′-Dichloropivalic acid is primarily used as a building block in organic synthesis and for the preparation of derivatives like 3,3′-dichloropivaloyl chloride. It is a valuable intermediate in chemical research and development.
What are the CAS number and formula for 3,3′-Dichloropivalic acid?
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The CAS number for 3,3′-Dichloropivalic acid is 67329-11-7, and its linear formula is CH₃C(CH₂Cl)₂CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Dichloropivalic acid with an assay of 99%. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
How should 3,3′-Dichloropivalic acid be handled safely?
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3,3′-Dichloropivalic acid is classified as a Danger with hazard statement H314 (Causes severe skin burns and eye damage). Safe handling requires appropriate personal protective equipment, including eyeshields, face shields, chemical-resistant gloves, and respiratory protection. Always consult the Safety Data Sheet (SDS) before use.
Is 3,3′-Dichloropivalic acid a controlled substance?
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The provided data does not indicate that 3,3′-Dichloropivalic acid is a controlled substance.
How is 3,3′-Dichloropivalic acid packed, shipped, and exported?
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3,3′-Dichloropivalic acid is shipped and exported in compliance with all relevant regulations for hazardous materials. Packaging is designed to ensure safety and product integrity during transit. Specific details for international shipments are available upon request.
How can I request a sample or quote for 3,3′-Dichloropivalic acid?
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To request a sample or a quote for 3,3′-Dichloropivalic acid, please contact the Tech Serve Solutions sales team through the website or by phone. Please specify the quantity required and your delivery location.
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