Molekula
Iminodiacetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Iminodiacetic acid is a chelating agent used in metal ion separation, pharmaceutical synthesis, and as a building block in ligand development. It also serves as an intermediate for making chelating resins, surfactants and polymeric amides, and as a buffer and sequestrant in electroplating. It is available in high purity with consistent quality. CAS: 142-73-4, Molecular formula: HN(CH₂CO₂H)₂, Molecular weight: 133.10 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Iminodiacetic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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500 g — £45.00 per pack ex VAT · £54.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.5% |
| Purity | ≥99.0% |
| Residue on Ignition | ≤0.15% |
| Iron (Fe) | ≤0.001ppm |
| Copper (Cu) | ≤1.0ppm |
| Sodium (Na) | ≤150ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Orthorhombic crystals |
| Melting Point | 247.5 °C at 760 mmHg |
Source: PubChem CID 8897 (HSDB, Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 32314250 |
| CAS Number | 142-73-4 |
| IUPAC Name | 2-(carboxymethylamino)acetic acid |
| EC Number | 205-555-4 |
| Molecular Formula | HN(CH2CO2H)2 |
| Molecular Weight | 133.10 |
| Exact Mass | 133.0375 |
| SMILES | C(C(=O)O)NCC(=O)O |
| InChIKey | NBZBKCUXIYYUSX-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H7NO4/c6-3(7)1-5-2-4(8)9/h5H,1-2H2,(H,6,7)(H,8,9) |
| PubChem CID | 8897 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29224980 |
| Tariff Code | 2922498590 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,2'-Iminodiacetic acid
- Aminodiacetic acid
- Diglycin
- Diglycocoll
- Diglykokoll
- Glycine, N-(carboxymethyl)-
- Hampshire
- Iminobis(acetic acid)
- Iminodiethanoic acid
- N-(Carboxymethyl)glycine
Frequently asked questions
What is iminodiacetic acid used for?
Iminodiacetic acid is primarily used as a chelating agent in water treatment, metal recovery, and as a building block in the synthesis of pharmaceuticals and dyes.
What is the chemical formula and molecular weight of iminodiacetic acid?
The formula is HN(CH2CO2H)2 with a molecular weight of 133.10 g/mol.
How should iminodiacetic acid be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade of iminodiacetic acid does Molekula supply?
Molekula supplies iminodiacetic acid in technical grade; custom grades may be available upon request.
Can Molekula supply iminodiacetic acid in bulk?
Yes, Molekula can supply iminodiacetic acid in bulk quantities; please contact sales for pricing and availability.
What documentation comes with an order of iminodiacetic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.