L-抗坏血酸 [维生素C]，L-Ascorbic acid；puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)

生物来源

synthetic

质量水平

200

等级

ACS reagent
puriss. p.a.

Agency

Ph. Eur.
USP/NF
reag. ISO

测定

99.7-100.5% (oxidimetric)

形式

solid

旋光性

[α]20/D +20.5 to +21.5°, c = 10% in H₂O

technique(s)

IR spectroscopy: suitable

杂质

related substances, in accordance (HPLC)
≤0.001% heavy metals (by ICP-OES)

灼烧残渣

≤0.05% (as SO₄)

缺失

≤0.1% loss on drying, 105 °C

pH值（酸碱度）

2.1-2.6 (20 °C, 5%)

mp

190-194 °C (dec.)

溶解性

water: soluble 176 g/L at 20 °C

痕量阴离子

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

痕量阳离子

As: ≤1 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
Pb: ≤5 mg/kg
Zn: ≤10 mg/kg

适用性

complies for appearance of solution
passes test for identity (IR)

application(s)

cell analysis

SMILES string

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

InChI

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

InChI key

CIWBSHSKHKDKBQ-JLAZNSOCSA-N

Gene Information

human ... SLC23A2(9962)