Documents
95210
L-Ascorbic acid
puriss. p.a., ≥99.0% (RT)
Recommended Products
biological source
synthetic (Organic)
Quality Level
grade
puriss. p.a.
Assay
≥99.0% (RT)
form
powder or crystals (possibly with chunks)
optical activity
[α]20/D +21±0.5°, c = 10% in H2O
ign. residue
≤0.1% (as SO4)
loss
≤0.1% loss on drying, 110 °C
color
white to off-white
pH
2.2-2.5 (25 °C, 50 mg/mL in H2O)
mp
190-194 °C (dec.)
solubility
H2O: 50 mg/mL at 20 °C, clear, almost colorless
anion traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤20 mg/kg
cation traces
Ca: ≤10 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)
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)
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Related Categories
1 of 4
This Item | 33034 | 95209 | 255564 |
|---|---|---|---|
| grade puriss. p.a. | grade - | grade - | grade - |
| assay ≥99.0% (RT) | assay 99.7-100.5% (oxidimetric) | assay ≥99.5% (RT) | assay ≥99% |
| form powder or crystals (possibly with chunks) | form solid | form powder or crystals | form chunks, crystalline powder, crystals, granular |
| color white to off-white | color - | color white to off-white | color white |
| mp 190-194 °C (dec.) | mp 190-194 °C (dec.) | mp 190-194 °C (dec.) | mp 190-194 °C (dec.) |
General description
Application
Other Notes
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Personal Protective Equipment
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