Methyliminodiacetic acid
Methyliminodiacetic acid (CAS 4408-64-4), with the chemical formula CH3N(CH2CO2H)2 and a molecular weight of 147.13 g/mol, is a dicarboxylic acid derivative. It serves as a valuable building block in organic synthesis, particularly for the preparation of more complex molecules. Its structure allows for diverse chemical modifications, making it useful in research and development settings across various chemical disciplines.
- IUPAC
- MIDA ligand,MIDA
- Synonyms
- MIDA

Organic Synthesis Intermediate
Methyliminodiacetic acid is employed as a key intermediate in the synthesis of various organic compounds. Its functional groups facilitate reactions leading to novel molecular structures.
Ligand Synthesis
This compound can be utilized in the preparation of chelating agents and ligands, often referred to as MIDA ligands, due to the presence of both amine and carboxylic acid functionalities.
Research and Development
It is used in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities.
| Molecular weight | 147.13 |
|---|---|
| Linear formula | CH3N(CH2CO2H)2 |
| Assay | 99% |
| Melting point | 220 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Methyliminodiacetic acid used for?
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Methyliminodiacetic acid is primarily used as a building block in organic synthesis and for the preparation of ligands, such as MIDA ligands, in research and development settings.
What are the CAS number and formula for Methyliminodiacetic acid?
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The CAS number for Methyliminodiacetic acid is 4408-64-4, and its chemical formula is CH3N(CH2CO2H)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyliminodiacetic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should Methyliminodiacetic acid be handled?
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Handling requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, as it can cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
Is Methyliminodiacetic acid exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Methyliminodiacetic acid.
How can I request a quote or sample?
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Please contact our sales team to request a quote or a sample of Methyliminodiacetic acid.
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