Specification Sheet
Product Name L-Aspartic acid potassium salt,
puriss. p.a., ≥99.0% (anhydrous basis)
Product Number 11230
Product Brand SIAL
CAS Number 1115-63-5
Molecular Weight 171.19
 
TEST SPECIFICATION
APPEARANCE (COLOR) Colorless or White
APPEARANCE (FORM) Powder
TITRATION (NT) HCLO4 0.1M 99.0 - 101.5 % (ANHYDROUS BASIS)
PURITY (TLC AREA %) ≥ 99.0 %
SPECIFIC ROTATION (20/D) -13.5 ± 1.0 Degrees
CONCENTRATION C=1 IN WATER
SOLUBILITY (COLOR) Colorless
SOLUBILITY (TURBIDITY) Clear
SOLUBILITY (METHOD) 1G IN 10ML WATER
WATER ≤ 6 %
INFRARED SPECTRUM CONFORMS TO STRUCTURE
METAL TRACE ANALYSIS (ICP) CORRESPONDS TO REQUIREMENTS
CALCIUM (ICP) ≤ 50 mg/kg
CADMIUM (ICP) ≤ 5.0 mg/kg
COBALT (ICP) ≤ 5.0 mg/kg
CHROMIUM (ICP) ≤ 5.0 mg/kg
COPPER (ICP) ≤ 5.0 mg/kg
IRON (ICP) ≤ 10 mg/kg
MAGNESIUM (ICP) ≤ 100 mg/kg
MANGANESE (ICP) ≤ 5.0 mg/kg
NICKEL (ICP) ≤ 5.0 mg/kg
LEAD (ICP) ≤ 5.0 mg/kg
ZINC (ICP) ≤ 5.0 mg/kg
CHLORIDE (CL) ≤ 50 mg/kg
SULFATE (SO4) ≤ 500 mg/kg
ION CHROMATOGRAPHY (NH4+) ≤ 250 mg/kg
RECOMMENDED RETEST PERIOD 72 MONTHS