Packs sizes (2)
Technical data
- Solubility:
- 48 g/L (H2O)
- Physical Description:
- Solid
- Product Code:
- A1340
- Product Name:
- L-Methionine (Ph. Eur., USP) pure, pharma grade
- Headline Comment:
- • All amino acids from AppliChem are of non-animal origin!
- Specifications:
- Assay (titr.): 99.0 - 101.0 %
α25°C/D; 2 %, 6 M HCl: +22.4° - +24.7°
Appearance of solution: passes test
Identity: passes test
pH (1 %; H2O): 5.6 - 6.1
Sulfated ash: max. 0.1 %
Loss on drying (3 h; 105°C): max. 0.3 %
α20°C/D; 2 %, 250 g/L HCl (calc. on dried subst.): +22.5° - +24.0°
pH (2.5 %; H2O): 5.5 - 6.5
Ammonium: max. 0.02 %
Chloride: max. 0.02 %
Sulfate: max. 0.03 %
Fe: max. 0.001 %
Related substances (Ph. Eur.)
Each individual impurity: max. 0.1 %
Total impurities: max. 0.3 %
Related substances (USP)
Methionine sulfoxide: max. 0.1 %
N-Acetyl-D,L- methionine: max. 0.2 %
Any unspecified impurity: max. 0.1 %
Total unspecified impurities: max. 0.30 %
- WGK:
- 1
- Storage:
- RT
- EINECS:
- 200-562-9
- CS:
- 29304010