Molekula
Iodoacetic 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
Iodoacetic acid is a halogenated organic compound used in biochemical research for protein alkylation and enzyme inhibition. It is a potent alkylating agent with applications in metabolic studies and molecular biology. Available in high purity, it has a molecular formula of CH2ICOOH, a molecular weight of 185.95 g/mol, and is supplied under a Danger signal word. Store at 2 to 8 °C. Molekula supplies Iodoacetic 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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100 g — £147.90 per pack ex VAT · £177.48 inc. VAT
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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 | Yellow to brown crystals |
| Melting Point | 81.0 - 83.5℃ |
| Assay | ≥ 98.0% (Titration, acid-base) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 8 (6.1) |
| Packing Group | I |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless or white crystals |
| Melting Point | 82-83 °C |
| Water Solubility | Soluble in water |
| Solubility (other solvents) | Soluble in alcohol; very slightly soluble in ether |
| pKa | pKa = 3.18 |
Source: PubChem CID 5240 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 40202902 |
| CAS Number | 64-69-7 |
| IUPAC Name | 2-iodoacetic acid |
| EC Number | 200-590-1 |
| Molecular Formula | CH2ICOOH |
| Molecular Weight | 185.95 |
| Exact Mass | 185.9178 |
| SMILES | C(C(=O)O)I |
| InChIKey | JDNTWHVOXJZDSN-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H3IO2/c3-1-2(4)5/h1H2,(H,4,5) |
| PubChem CID | 5240 |
| UN Number | UN2923 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2915.90.5050 |
| Tariff Code | 2915909098 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
Hazard statements
- H301 Toxic if swallowed
- H310 Fatal in contact with skin
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: 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
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-Iodoacetic acid
- Acetic acid, iodo-
- Acid, Iodoacetic
- Acid, Monoiodoacetic
- Iodoacetate, Monosodium
- Iodoacetate, Sodium
- Iodoethanoic acid
- Kyselina jodoctova
- Monoiodine acetate
- Monoiodoacetic acid
Frequently asked questions
What is iodoacetic acid used for?
Iodoacetic acid is commonly used as a sulfhydryl reagent in biochemical research, particularly for modifying cysteine residues in proteins.
What is the chemical formula and molecular weight of iodoacetic acid?
The formula is CH2ICOOH and the molecular weight is 185.95 g/mol.
How should iodoacetic acid be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade is available for iodoacetic acid?
Molekula supplies iodoacetic acid in analytical grade.
Can Molekula supply iodoacetic acid in bulk?
Yes, Molekula can supply iodoacetic acid in bulk quantities—please contact our sales team for details.
What documentation comes with an order of iodoacetic acid?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) compliant with GHS standards.
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.