l-ascorbic acid 99% extrapure

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Three white chemical bottles with red caps, labeled "Chemnovyo," arranged in order of size against a plain gray background.
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Three black plastic bottles of nitric acid with white hazard labels are arranged in a row against a grey background.
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Two white plastic chemical containers with black lids, labeled "Chemnovato." The left contains Magnesium Sulphate, and the right contains Acetyl Salicylic Acid, both on a gray background.
Three chemical bottles labeled Toluene, Iso-Propyl Alcohol, and Chloroform are arranged side by side on a gray background.
Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.
Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.
Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Description

CAS 50-81-7
Molecular Formula C6H8O6
Molecular Weight 176.12
Shelf Life 36 Months
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%
Dangerous Goods Information
UN Number – DG Class –

l-ascorbic acid 99% extrapure

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SKU C00307-00100-HS Category
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