L (+)-Ascorbinsyre 99%
Plastic bottle, 100 g
Leverandør: Thermo Fisher Scientific
L (+)-Ascorbinsyre 99%
Katalog # ACRO105021000
Leverandør: Thermo Fisher Scientific
CAS nummer: 50-81-7
Gå til:
Product Details & Documents
Synonymer: Ascorbic Acid, L-Ascorbic acid, (R)-5-((S)-1,2-Dihydroxyethyl)-3,4-dihydroxyfuran-2(5H)-one, Acidum ascorbicum
- CAS nummer:50-81-7
- Formel:C₆H₈O₆
- MDL nummer:MFCD00064328
- Molecular Weight:176.13 g/mol
- Merck Index:13,00837
- Kogende Pt:553 °C (1013 hPa)
- Smeltende Pt:190…192 °C (dec.)
- Tæthed:1,694 g/cm³ (20 °C)
- Opbevaringstemperatur:Stue temperatur
- EINECS:200-066-2
- NÅ:exempt
Specifikationer
Specifikationstestresultater
- Appearance:White to off-white Crystalline powder or crystals
- Infrared spectrum:Conforms
- Titration Iodimetric:≥98.5 %
- Sulfated ash:≤0.1 %
- Solubility:(5 % in water) Passes test
- pH:2.1 to 2.6 (5 % in water)
- Specific optical rotation:+20.5° to +21.5° (20°C, 589 nm) (c=10, H2O)
- Copper (Cu):≤5 ppm
- Iron (Fe):≤2 ppm
- Heavy metals (as Pb):≤10 ppm
- Impurity:≤0.2 % Oxalic acid
Specifikationer
- Pakning:Plastic bottle
- Pakn:100 g
Specifikationer
Recommendations
Recommendations will be personalized based on your shopping preferences only if you have given your consent by enabling "Enhance my Shopping Experience" on the "Personal Info page".
Otherwise, you will receive generic recommendations.
Acetonitril, anhydrous (max. 0.003% H₂O) ≥99.95%, HiPerSolv CHROMANORM® Reag. USP, Reag. Ph. Eur., ACS, super gradient grade suitable for UPLC/UHPLC instruments
Catalog #: 83639.320
Leverandør: VWR Chemicals
Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC
Catalog #: 20864.320
Leverandør: VWR Chemicals
Acetonitril ≥99.9%, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments
Catalog #: 83640.320
Leverandør: VWR Chemicals
Acetonitril ≥99.9%, LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®
Catalog #: 1.00030.2500
Leverandør: Merck
Natriumhydroxid 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur. volumetric solution
Catalog #: 31770.294
Leverandør: VWR Chemicals
Vand, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments
Catalog #: 83645.320
Leverandør: VWR Chemicals
Buffer solutions, ready to use, referenced at 20 °C, Certipur®, Supelco®
Catalog #: 1.09439.1000
Leverandør: Merck