sulfate (SO42-): ≤100 mg/kg

chloride (Cl-): ≤100 mg/kg

≤0.2% loss on drying, 110 °C

NH4+: ≤20 mg/kg

Na: ≤50 mg/kg

Ca: ≤10 mg/kg

Mn: ≤5 mg/kg

Cu: ≤5 mg/kg

Zn: ≤5 mg/kg

Fe: ≤5 mg/kg

Pb: ≤5 mg/kg

Co: ≤5 mg/kg

Cr: ≤5 mg/kg

Mg: ≤5 mg/kg

Cd: ≤5 mg/kg

K: ≤50 mg/kg

Ni: ≤5 mg/kg

C5H9NO2

≤0.1% (as SO4)

≥99.0% (NT)

≤0.3% foreign amino acids

Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

TW3584000

1

[α]20/D -84.5±1°, c = 5% in H2O

228 °C (dec.)(lit.)