Malonic acid
Malonic acid (CAS 141-82-2), with the molecular formula CH₂(COOH)₂, is a key dicarboxylic acid. It functions as an essential building block in organic synthesis and is widely utilised in the pharmaceutical and fragrance industries. Supplied by Tech Serve Solutions with a purity of 99%, malonic acid is crucial for creating more complex molecules.
- IUPAC
- Propanedioic acid
- Synonyms
- Propanedioic acidMalonic acid

Pharmaceutical Intermediates
Malonic acid is a vital precursor in the synthesis of various pharmaceutical compounds. It is used to create barbiturates and other active pharmaceutical ingredients, playing a role in drug development and manufacturing.
Fragrance and Flavour Compounds
This organic acid serves as a building block for esters, which are commonly employed in the fragrance and flavour industries. Its derivatives contribute to a wide range of scents and tastes.
Chemical Synthesis Reagent
As a versatile reagent in organic chemistry, malonic acid is used in reactions like the Knoevenagel condensation. It facilitates the formation of carbon-carbon bonds, enabling the creation of diverse organic structures.
Polymer and Resin Production
Malonic acid can be incorporated into the synthesis of specific polymers and resins. Its structure allows for cross-linking or modification, influencing the properties of the final polymeric material.
| Molecular weight | 104.06 |
|---|---|
| Linear formula | CH2(COOH)2 |
| Assay | 99% |
| Melting point | 132-135 °C (dec.)(lit.) |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 172 °C / 341.6 °F |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-36/39 |
| Ignition residue | ≤0.3% |
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 Malonic acid (CAS 141-82-2) used for?
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Malonic acid is used as a building block in the synthesis of pharmaceuticals, fragrances, flavours, and polymers, and as a general reagent in organic synthesis.
What is the CAS number and chemical formula for Malonic acid?
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The CAS number for Malonic acid is 141-82-2, and its chemical formula is CH₂(COOH)₂.
What grade and purity does Tech Serve Solutions supply for Malonic acid?
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Tech Serve Solutions supplies Malonic acid with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Malonic acid be handled safely?
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Malonic acid can cause serious eye damage and is harmful if swallowed. Always wear protective gloves, eye protection, and face protection (P280, P305 + P351 + P338). Seek immediate medical attention if swallowed (H302) or if eyes are exposed (H318).
How is Malonic acid packed and shipped by TSS?
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Tech Serve Solutions exports Malonic acid globally, ensuring appropriate packaging to maintain product integrity during transit.
How can I request a quote or sample of Malonic acid?
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To request a quote or sample of Malonic acid, please contact our sales team through the website or by phone, providing your specific requirements.
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