Order No. | Quantity | |
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1 | kg |
show material safety data sheet
Specification | ||||
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Synonym | L-2-Amino-3-Hydroxybutyric 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) | 90 g/L (H2O) | |||
Formula | C4H9NO3 | |||
M | 119.12 g/mol | |||
CAS-No.: | 72-19-5 | |||
HS-No.: | 29225000 | |||
EC-No.: | 200-774-1 | |||
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; 6 %, H2O, calc. on dried subst. | -27.6° - -29.0° | |||
α25°C/D; 6 %, H2O | -26.7° - -29.1° | |||
Appearance of solution | passes test | |||
Identity | passes test | |||
pH (2.5 %; H2O) | 5.0 - 6.5 | |||
pH (5 %; H2O) | 5.0 - 6.5 | |||
Heavy metals (as Pb) | max. 0.0015 % | |||
Sulfated ash | max. 0.1 % | |||
Loss on drying (3 h; 105°C) | max. 0.2 % | |||
Ammonium | max. 0.02 % | |||
Chloride | max. 0.02 % | |||
Sulfate | max. 0.03 % | |||
Fe | max. 0.001 % | |||
Ninhydrin positive substances (HPLC) | ||||
each individual impurity | max. 0.2 % | |||
Total impurities | max. 0.5 % | |||
Ninhydrin positive substances (TLC) | ||||
Each individual impurity | max. 0.5 % | |||
Total impurities | max. 2 % |