Acide L-ascorbique

Acide L-ascorbique, puriss. p.a., ≥99.0% (RT)

synthetic (Organic)

200

puriss. p.a.

≥99.0% (RT)

powder or crystals (possibly with chunks)

[α]20/D +21±0.5°, c = 10% in H₂O

≤0.1% (as SO₄)

≤0.1% loss on drying, 110 °C

white to off-white

2.2-2.5 (25 °C, 50 mg/mL in H₂O)

190-194 °C (dec.)

H₂O: 50 mg/mL at 20 °C, clear, almost colorless

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤20 mg/kg

Ca: ≤25 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤5 ppm (by ICP-OES)

ester, hydroxyl, ketone

OC([C@]([C@@H](O)CO)([H])O1)=C(O)C1=O

1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5+/m0/s1

CIWBSHSKHKDKBQ-JLAZNSOCSA-N

human ... SLC23A2(9962)