L-ASCORBIC ACID Extra Pure

L-Threoascorbic acid, Antiscorbutic factor, Vitamin C

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Article No.
01549
Grade
Extra Pure
Purity
99%
CAS No.
50-81-7
Molecular Formula
C6H8O6
Molecular Weight
176.12
H.S. Code
2936.2700
Shelf Life
36 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
1 - 2.5
Melting point/ Freezing point [°C]
190 - 194 °C
Density [g/cm3]
1.65
Solubility in water [% weight]
176 g/l at 20 °C - completely soluble

Packings

  • 1PW1200100

    100 g (00100)

  • 1PW1200500

    500 g (00500)

 

Specifications

Appearance A white to very pale yellow crystalline powder or colourless crystals; odourless. On exposure to light it gradually darkens.
Assay 99.0 - 100.5%
Specific rotation [a] 20°C/ D (10% solution) +20.5° to +21.5°
Residue on ignition Max. 0.1%
Heavy metal (as Pb) Max. 0.002%
Iron (Fe) Max. 0.001%

Revision Date : 25-May-2017
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