Quality Level

100

assay

≥99% substance (anhydrous) basis (alkalimetric)

form

solid

potency

>30000 mg/kg LD₅₀, oral (Rat)

pH

3.0-3.5 (25 °C, 8.6 g/L in H₂O)

mp

160 °C

density

1.54 g/cm³ at 20 °C

bulk density

460 kg/m³

anion traces

chloride (Cl^-): ≤0.02%
sulfate (SO₄^2-): ≤0.01%

cation traces

As: ≤0.0005%
Ca: ≤0.001%
Co: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.0005%
Mg: ≤0.0005%
NH₄⁺: ≤0.01%
Na: ≤0.01%
Zn: ≤0.0005%
heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

InChI

1S/C5H9NO4/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10)

InChI key

WHUUTDBJXJRKMK-UHFFFAOYSA-N