L-ASCORBIC ACID Extra Pure

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC4143 Extra Pure 99% 50-81-7 C6H8O6 176.12 2936.27 36 Months

Packings

100 g,500 g

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

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%

Safety Information and Hazard Symbols

Symbol
Signal Word
UN No.
IMCO Class No.
Packing Group
Hazardous Statement
Precaution Statement
Risk Statement
Safety Statement
Revision Date : 09-Aug-2022