33034
L-Ascorbic acid
ACS reagent grade, 99.7-100.5% (oxidimetric), solid, suitable for IR spectroscopy, puriss. p.a., reag. ISO, Ph. Eur.
Synonym(s):
L-Threoascorbic acid, Antiscorbutic factor, Vitamin C
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About This Item
Product Name
L-Ascorbic acid, puriss. p.a., ACS reagent, reag. ISO, Ph. Eur., 99.7-100.5% (oxidimetric)
biological source
synthetic
Quality Level
agency
Ph. Eur., USP/NF, reag. ISO
grade
ACS reagent, puriss. p.a.
assay
99.7-100.5% (oxidimetric)
form
solid
optical activity
[α]20/D +20.5 to +21.5°, c = 10% in H2O
technique(s)
IR spectroscopy: suitable
impurities
related substances, in accordance (HPLC), ≤0.001% heavy metals (by ICP-OES)
ign. residue
≤0.05% (as SO4)
loss
≤0.1% loss on drying, 105 °C
pH
2.1-2.6 (20 °C, 5%)
mp
190-192 °C ((decomp)) (lit.), 190-194 °C (dec.)
solubility
water: soluble 176 g/L at 20 °C
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤20 mg/kg
cation traces
As: ≤1 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Pb: ≤5 mg/kg, Zn: ≤10 mg/kg
suitability
complies for appearance of solution, passes test for identity (IR)
application(s)
cell analysis
functional group
ester, hydroxyl, ketone
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)
General description
Application
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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