DL-Alanine:
| General Information |
| Products name:DL-Alanine |
| CAS NO :302-72-7 |
| EINECS NO: 206-126-4 |
| Molecular formula: C3H7NO2 |
| Molecular weight: 89.09 |
| Appearance:White powder |
| Solubility:Water soluble 156 g/L (20 ℃) |
| USES: used as a food flavoring, nutritional supplements, vitamin B6, intermediates, feed additives, etc., can also be as biochemical reagent. |
| Standard: FCCIV AJI92 |
| BASIC ANALYSIS | ||||
| Item of Analysis | Specification | Results | Test Methods | |
| Marker Compounds | ||||
| Assay | 98.5%~101.5% | 99.8% | HPLC | |
| Transmittance | 98% | 99% | / | |
| Organoleptic Data | ||||
| Appearance | Powder | Conform | HE-QCS-1008 | |
| Color | White | Conform | GB/T 5492-2008 | |
| Odor | Characteristic | Conform | GB/T 5492-2008 | |
| Taste | Characteristic | Conform | GB/T 5492-2008 | |
| Physical Characteristics | ||||
| PH | 5.5~7.0 | 6.5 | / | |
| Moisture | <0.2% | 0.05% | GB/T 14769-1993 | |
| Ash Content | <0.1% | 0.06% | AOAC 942.05, 18th | |
| Chloride | <0.02% | Conform | / | |
| Sulfate | <0.02% | Conform | / | |
| Heavy Metals | ||||
| Total Heavy Metals | <15ppm | Conform | USP <231>, method II | |
| Microbiology | ||||
| Total Plate Count | <1,000cfu/g | Conform | AOAC 990.12, 18th | |
| Total Yeast & Mold | <100cfu/g | Conform | FDA (BAM) Chapter 18, 8th Ed. | |
| E. Coli | Negative | Negative | AOAC 997.11, 18th | |
| Salmonella | Negative | Negative | FDA (BAM) Chapter 5, 8th Ed. | |
