DL-Isoleucine
Synonym(s):DL -2-Amino-3-methylpentanoic acid
- CAS NO.：443-79-8
- Empirical Formula: C6H13NO2
- Molecular Weight: 131.17
- MDL number: MFCD00004268
- EINECS: 207-139-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:35:19
What is DL-Isoleucine?
Description
dl-Isoleucine is flavorless. It may be prepared from the corresponding aldehyde by Bucherer’s reaction.
Chemical properties
white powder
Chemical properties
dl-Isoleucine has a caramel, maple syrup odor and slightly bitter taste
Definition
ChEBI: A branched chain amino acid that consists of 3-methylpentanoic acid bearing an amino substituent at position 2.
Preparation
From the corresponding aldehyde by Bucherer’s reaction.
Properties of DL-Isoleucine
| Melting point: | 290 °C (dec.) (lit.) |
| Boiling point: | 225.8±23.0 °C(Predicted) |
| alpha | [α]D20 -2.0～+2.0°(c=4,HCl) |
| Density | 1.2930 (estimate) |
| refractive index | 1.4630 (estimate) |
| FEMA | 3295 | D,L-ISOLEUCINE |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | Powder |
| pka | pKa: 9.758(25°C) |
| color | White |
| Odor | at 100.00 %. odorless |
| Water Solubility | 22.3 g/L (25 ºC) |
| Merck | 14,5179 |
| JECFA Number | 1422 |
| BRN | 1721796 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 443-79-8(CAS DataBase Reference) |
| NIST Chemistry Reference | DL-Isoleucine(443-79-8) |
| EPA Substance Registry System | Isoleucine (443-79-8) |
Safety information for DL-Isoleucine
Computed Descriptors for DL-Isoleucine
| InChIKey | AGPKZVBTJJNPAG-UHFFFAOYSA-N |
DL-Isoleucine manufacturer
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