L(+)-抗坏血酸

等级

ACS reagent

质量水平

300

Agency

reag. Ph. Eur.

产品线

EMSURE^®

方案

99.0-100.5% (iodometric)

表单

crystalline powder

自燃温度

380 °C

效能

11900 mg/kg LD₅₀, oral (Rat)

技术

thin layer chromatography (TLC): suitable

杂质

≤0.1% Related substances (unspecified impurities singly) (HPLC)
≤0.15% Related substances (Impurity C) (HPLC)
≤0.15% Related substances (Impurity D) (HPLC)
≤0.2% Oxalic acid
≤0.2% Related substances (sum of impurities (except impurity A and D)) (HPLC)

sulfated ash (600 °C)

≤0.05%

缺失

≤0.1% loss on drying, 105 °C

颜色

clear

pH值（酸碱度）

2.2-2.5 (20 °C, 50 g/L in H₂O)

溶解性

330 g/L

密度

1.65 g/cm³ at 20 °C

堆积密度

500‑900 kg/m³

痕量阴离子

chloride (Cl^-): ≤50 ppm
sulfate (SO₄^2-): ≤20 ppm

痕量阳离子

Cu: ≤5 ppm
Fe: ≤2 ppm
heavy metals: ≤10 ppm

储存温度

15-25°C

InChI

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

InChI key

TYQCGQRIZGCHNB-UHFFFAOYSA-N