L-Ascorbic Acid ACS ≥99% | Vitamin C | CAS 50-81-7

L-Ascorbic Acid ACS Reagent Grade ≥99% - 5g

SKU: 255564-5G
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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L-Ascorbic acid (Vitamin C) is a water-soluble antioxidant and reducing agent supplied here as ACS reagent grade with ≥99% purity. Available in crystals, granules, powder, or chunks, this material is suitable for analytical, biochemical, and synthetic laboratory applications requiring high purity and ACS compliance.

L-Ascorbic acid is widely used in redox chemistry, metal reduction, nanoparticle synthesis, food and beverage analysis, and cell biology research. This grade is HPLC suitable and meets ACS reagent specifications.

Chemical Name: L-Ascorbic acid
Synonyms: L-Threoascorbic acid; Antiscorbutic factor; Vitamin C
Empirical Formula: C₆H₈O₆
CAS Number: 50-81-7
Molecular Weight: 176.12 g/mol
Grade: ACS reagent
Purity: ≥99%
Form: Crystals, granules, powder or chunks
Color: White
Optical Rotation: [α]25/D +20.5 to +21.5° (H₂O)
Solubility: Water soluble (176 g/L at 20 °C)
pH: 1.0–2.5 (25 °C, 176 g/L in water)
Melting Point: 190–194 °C (dec.)
Functional Groups: Ester, hydroxyl, ketone
Techniques: HPLC suitable
Quality Level: 200
NACRES: NA.21
UNSPSC Code: 12352100
EC Number: 200-066-2
PubChem Substance ID: 24855464
MDL Number: MFCD00064328
Beilstein/REAXYS Number: 84272
InChI Key: CIWBSHSKHKDKBQ-JLAZNSOCSA-N

Specifications

L-Ascorbic Acid – ACS Reagent Grade

• Assay: ≥99%
• Grade: ACS reagent
• Appearance: White crystals, granules, powder or chunks
• HPLC: Suitable
• Optical rotation: +20.5 to +21.5°
• Ignition residue: <0.1%
• Cation traces: Fe ≤0.001%; heavy metals ≤0.002% (ICP-OES)
• Storage: Room temperature, protect from light and moisture

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