| Order No. | Quantity | |
|---|---|---|
A1677,1000
|
1 | kg |
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Specification
| Specification | ||||
|---|---|---|---|---|
| Synonym | L-2-Amino-3-(4-Hydroxyphenyl)-Propionic Acid | |||
| We herewith confirm that this product meets the requirements of the European Pharmacopoeia (Ph. Eur. 11.0) and the US Pharmacopoeia (USP 43). | ||||
| state of matter | Solid | |||
| Solubility (25°C) | 0.4 g/L (H2O) | |||
| Formula | C9H11NO3 | |||
| M | 181.19 g/mol | |||
| CAS-No.: | 60-18-4 | |||
| HS-No.: | 29225000 | |||
| EC-No.: | 200-460-4 | |||
| Storage: | RT | |||
| LGK: | 10 - 13 | |||
| WGK: | 1 | |||
| • All amino acids from AppliChem are of non-animal origin! | ||||
| Specification | ||||
| Assay (titr., calc. on dried subst.) | 99.0 - 101.0 % | |||
| α20°C/D; 5 %, 1 N HCl, calc. on dried subst. | -12.3° - -11.0° | |||
| α25°C/D; 5 %, 1 N HCl | -11.2° - -9.8° | |||
| Appearance of solution | passes test | |||
| Identity | passes test | |||
| Heavy metals (as Pb) | max. 0.0015 % | |||
| Sulfated ash | max. 0.1 % | |||
| Loss on drying (3 h; 105°C) | max. 0.3 % | |||
| Ammonium | max. 0.02 % | |||
| Chloride | max. 0.02 % | |||
| Sulfate | max. 0.03 % | |||
| Fe | max. 0.001 % | |||
| Ninhydrin positive substances (HPLC) | ||||
| Any other ninhydrin-pos. Subst. | max. 0.2 % | |||
| Phenylalanine | max. 0.5 % | |||
| Total impurities | max. 0.6 % | |||
| Ninhydrin positive substances (TLC) | ||||
| Each individual impurity | max. 0.5 % | |||
| Total impurities | max. 2 % | |||