3-Mercaptoisobutyric acid
Synonym(s):(2RS)-2-Methyl-3-sulphanylpropanoic acid;3-Mercaptoisobutyric acid
- CAS NO.：26473-47-2
- Empirical Formula: C4H8O2S
- Molecular Weight: 120.17
- MDL number: MFCD00671555
- EINECS: 247-726-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:54:22
What is 3-Mercaptoisobutyric acid?
Chemical properties
Pale Yellow Oil
The Uses of 3-Mercaptoisobutyric acid
3-Mercaptoisobutyric Acid can be used as a usefule synthetic intermediate.
The Uses of 3-Mercaptoisobutyric acid
3-Mercapto-2-methylpropanoic Acid (Captopril EP Impurity C) is a useful synthetic intermediate.
What are the applications of Application
3-Mercapto-2-Methylpropanoic Acid is A synthetic intermediate
Properties of 3-Mercaptoisobutyric acid
| Boiling point: | 122°C 12mm |
| Density | 1,15 g/cm3 |
| refractive index | 1.4820 to 1.4860 |
| storage temp. | Sealed in dry,Store in freezer, under -20°C |
| solubility | Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol |
| pka | 4.41±0.10(Predicted) |
| form | neat |
| color | Colourless to Pale Yellow |
| CAS DataBase Reference | 26473-47-2(CAS DataBase Reference) |
Safety information for 3-Mercaptoisobutyric acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H290:Corrosive to Metals H301:Acute toxicity,oral H314:Skin corrosion/irritation H332:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P234:Keep only in original container. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Mercaptoisobutyric acid
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