4-Bromobutyric acid
- CAS NO.：2623-87-2
- Empirical Formula: C4H7BrO2
- Molecular Weight: 167
- MDL number: MFCD00002817
- EINECS: 220-083-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-25 17:15:13
What is 4-Bromobutyric acid?
Chemical properties
light brown low melting crystals
The Uses of 4-Bromobutyric acid
4-Bromobutyric acid is used as a bifunctional cross-linker and as a pharmaceutical intermediate. It is also used to synthesize 4-Bromobutyryl chloride.
What are the applications of Application
4-Bromobutyric acid is a bifunctional cross-linker
Synthesis
4-Bromobutyric acid may be produced by a reaction of Y-butyrolactone with hydrogen bromide. The hydrogen bromide to be used may be gas or an aqueous Solution thereof. The reaction temperature is usually about 10 to 100°C., and the amount of hydrogen bromide to be used is usually about 1 to 10 moles per mole of Y-butyrolactone.
Properties of 4-Bromobutyric acid
| Melting point: | 30-31 °C (lit.) |
| Boiling point: | 128-131 °C/11 mmHg (lit.) |
| Density | 1.4397 (rough estimate) |
| refractive index | 1.4730 (estimate) |
| Flash point: | 115 °C |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Sparingly), DMSO, Methanol (Slightly), Water (Slightly) |
| pka | 4.51±0.10(Predicted) |
| form | Low Melting Crystals |
| color | Light brown |
| Water Solubility | Soluble in water and dilute alkali. |
| Sensitive | Light Sensitive |
| BRN | 1743056 |
| CAS DataBase Reference | 2623-87-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-Bromobutyric acid(2623-87-2) |
| EPA Substance Registry System | 4-Bromobutyric acid (2623-87-2) |
Safety information for 4-Bromobutyric acid
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. 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 4-Bromobutyric acid
| InChIKey | GRHQDJDRGZFIPO-UHFFFAOYSA-N |
4-Bromobutyric acid manufacturer
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