L-ISOLEUCINE 99% FOR BIOCHEMISTRY
(2S,3S)-2-Amino-3-methylpentanoic acid
| Product Code | B-01538 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | For Biochemistry | CAS No | 73-32-5 |
| Purity | 99% | Molecular Weight | 131.13 |
| H.S.Code | 2922.49900 | Shelf Life | 60 Months |
| Molecular Formula | C6H13NO2 |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White Powder |
|---|---|---|---|
| Solubility in water [% weight] | Partially soluble in water | Melting point/ Freezing point [°C] | 288 °C |
| Odour | Odorless |
Packaging
Specification
| Appearance | White powder |
| Assay (by HClO4 titration) | Min 99% |
| Specific optical rotation ([?]20/D; 40 g/L in 250 g/L HCl; on dried substance) | +40 to +43 deg |
| Specific optical rotation ([?]25/D; 40 g/L in 6M HCl; on dried substance) | +38.9 to +41.8 deg |
| pH (1% solution in CO2 free water) | 5.5 – 7.0 |
| Chloride (Cl) | Max 0.02% |
| Sulphate (SO4) | Max 0.03% |
| Iron (Fe) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.02% |
| Foreign amino acids | Max 0.5% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
Safety Information and Hazard Symbols
Symbol: GHS02, GHS05
Signal Word: Danger