Product Name

L-Arginine monohydrochloride, BioUltra, ≥99.5% (AT)

product line

BioUltra

assay

≥99.5% (AT)

form

powder or crystals

optical activity

[α]20/D +22.0±0.5°, c = 5% in 5 M HCl

technique(s)

ligand binding assay: suitable

impurities

insoluble matter, passes filter test, ≤0.3% foreign amino acids

ign. residue

≤0.05%

loss

≤0.05% loss on drying, 20 °C (HV)

color

colorless or white

pH

5.5-7.0 (25 °C, 1 M in H₂O)

mp

220-230 °C

solubility

H₂O: 1 M at 20 °C, clear, colorless

density

1.42 g/cm³ at 20 °C

anion traces

sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

1 M in H₂O

UV absorption

λ: 260 nm A_max: ≤0.2, λ: 280 nm A_max: ≤0.1

Quality Level

200